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ECCouncil 312-50v11 Certified Ethical Hacker Exam - C|EH v11 Exam Practice Test

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Total 528 questions

Certified Ethical Hacker Exam - C|EH v11 Questions and Answers

Question 1

You have compromised a server and successfully gained a root access. You want to pivot and pass traffic undetected over the network and evade any possible Intrusion Detection System. What is the best approach?

Options:

A.

Use Alternate Data Streams to hide the outgoing packets from this server.

B.

Use HTTP so that all traffic can be routed vis a browser, thus evading the internal Intrusion Detection Systems.

C.

Install Cryptcat and encrypt outgoing packets from this server.

D.

Install and use Telnet to encrypt all outgoing traffic from this server.

Question 2

An Internet Service Provider (ISP) has a need to authenticate users connecting via analog modems, Digital Subscriber Lines (DSL), wireless data services, and Virtual Private Networks (VPN) over a Frame Relay network.

Which AAA protocol is the most likely able to handle this requirement?

Options:

A.

TACACS+

B.

DIAMETER

C.

Kerberos

D.

RADIUS

Question 3

Which of the following antennas is commonly used in communications for a frequency band of 10 MHz to VHF and UHF?

Options:

A.

Yagi antenna

B.

Dipole antenna

C.

Parabolic grid antenna

D.

Omnidirectional antenna

Question 4

Firewalk has just completed the second phase (the scanning phase) and a technician receives the output shown below. What conclusions can be drawn based on these scan results?

TCP port 21 no response

TCP port 22 no response

TCP port 23 Time-to-live exceeded

Options:

A.

The lack of response from ports 21 and 22 indicate that those services are not running on the destination server

B.

The scan on port 23 was able to make a connection to the destination host prompting the firewall to respond with a TTL error

C.

The scan on port 23 passed through the filtering device. This indicates that port 23 was not blocked at the firewall

D.

The firewall itself is blocking ports 21 through 23 and a service is listening on port 23 of the target host

Question 5

SQL injection (SQLi) attacks attempt to inject SQL syntax into web requests, which may Bypass authentication and allow attackers to access and/or modify data attached to a web application.

Which of the following SQLI types leverages a database server's ability to make DNS requests to pass data to an attacker?

Options:

A.

Union-based SQLI

B.

Out-of-band SQLI

C.

ln-band SQLI

D.

Time-based blind SQLI

Question 6

You are a penetration tester and are about to perform a scan on a specific server. The agreement that you signed with the client contains the following specific condition for the scan: “The attacker must scan every port on the server several times using a set of spoofed sources IP addresses. ” Suppose that you are using Nmap to perform this scan. What flag will you use to satisfy this requirement?

Options:

A.

The -A flag

B.

The -g flag

C.

The -f flag

D.

The -D flag

Question 7

env x=’(){ :;};echo exploit’ bash –c ‘cat/etc/passwd’

What is the Shellshock bash vulnerability attempting to do on a vulnerable Linux host?

Options:

A.

Removes the passwd file

B.

Changes all passwords in passwd

C.

Add new user to the passwd file

D.

Display passwd content to prompt

Question 8

Stella, a professional hacker, performs an attack on web services by exploiting a vulnerability that provides additional routing information in the SOAP header to support asynchronous communication. This further allows the transmission of web-service requests and response messages using different TCP connections. Which of the following attack techniques is used by Stella to compromise the web services?

Options:

A.

XML injection

B.

WS-Address spoofing

C.

SOAPAction spoofing

D.

Web services parsing attacks

Question 9

Elliot is in the process of exploiting a web application that uses SQL as a back-end database. He’s determined that the application is vulnerable to SQL injection, and has introduced conditional timing delays into injected queries to determine whether they are successful. What type of SQL injection is Elliot most likely performing?

Options:

A.

Error-based SQL injection

B.

Blind SQL injection

C.

Union-based SQL injection

D.

NoSQL injection

Question 10

Which Nmap option would you use if you were not concerned about being detected and wanted to perform a very fast scan?

Options:

A.

-T5

B.

-O

C.

-T0

D.

-A

Question 11

Which protocol is used for setting up secure channels between two devices, typically in VPNs?

Options:

A.

PEM

B.

ppp

C.

IPSEC

D.

SET

Question 12

What is the following command used for?

sqlmap.py-u ,,http://10.10.1.20/?p=1 &forumaction=search" -dbs

Options:

A.

Creating backdoors using SQL injection

B.

A Enumerating the databases in the DBMS for the URL

C.

Retrieving SQL statements being executed on the database

D.

Searching database statements at the IP address given

Question 13

What piece of hardware on a computer's motherboard generates encryption keys and only releases a part of the key so that decrypting a disk on a new piece of hardware is not possible?

Options:

A.

CPU

B.

GPU

C.

UEFI

D.

TPM

Question 14

Bob is doing a password assessment for one of his clients. Bob suspects that security policies are not in place. He also suspects that weak passwords are probably the norm throughout the company he is evaluating. Bob is familiar with password weaknesses and key loggers.

Which of the following options best represents the means that Bob can adopt to retrieve passwords from his clients hosts and servers?

Options:

A.

Hardware, Software, and Sniffing.

B.

Hardware and Software Keyloggers.

C.

Passwords are always best obtained using Hardware key loggers.

D.

Software only, they are the most effective.

Question 15

Identify the UDP port that Network Time Protocol (NTP) uses as its primary means of communication?

Options:

A.

113

B.

69

C.

123

D.

161

Question 16

Which of the following is a component of a risk assessment?

Options:

A.

Administrative safeguards

B.

Physical security

C.

DMZ

D.

Logical interface

Question 17

A penetration tester is conducting a port scan on a specific host. The tester found several ports opened that were confusing in concluding the Operating System (OS) version installed. Considering that NMAP result below, which of the following is likely to be installed on the target machine by the OS? Starting NMAP 5.21 at 2011-03-15 11:06 NMAP scan report for 172.16.40.65 Host is up (1.00s latency). Not shown: 993 closed ports PORT STATE SERVICE 21/tcp open ftp 23/tcp open telnet 80/tcp open http 139/tcp open netbios-ssn 515/tcp open 631/tcp open ipp 9100/tcp open MAC Address: 00:00:48:0D:EE:8

Options:

A.

The host is likely a Linux machine.

B.

The host is likely a printer.

C.

The host is likely a router.

D.

The host is likely a Windows machine.

Question 18

Bob, a system administrator at TPNQM SA, concluded one day that a DMZ is not needed if he properly configures the firewall to allow access just to servers/ports, which can have direct internet access, and block the access to workstations.

Bob also concluded that DMZ makes sense just when a stateful firewall is available, which is not the case of TPNQM SA.

In this context, what can you say?

Options:

A.

Bob can be right since DMZ does not make sense when combined with stateless firewalls

B.

Bob is partially right. He does not need to separate networks if he can create rules by destination IPs, one by one

C.

Bob is totally wrong. DMZ is always relevant when the company has internet servers and workstations

D.

Bob is partially right. DMZ does not make sense when a stateless firewall is available

Question 19

Dorian Is sending a digitally signed email to Polly, with which key is Dorian signing this message and how is Poly validating It?

Options:

A.

Dorian is signing the message with his public key. and Poly will verify that the message came from Dorian by using Dorian's private key.

B.

Dorian Is signing the message with Polys public key. and Poly will verify that the message came from Dorian by using Dorian's public key.

C.

Dorian is signing the message with his private key. and Poly will verify that the message came from Dorian by using Dorian's public key.

D.

Dorian is signing the message with Polys private key. and Poly will verify mat the message came from Dorian by using Dorian's public key.

Question 20

Which of the following is a low-tech way of gaining unauthorized access to systems?

Options:

A.

Social Engineering

B.

Eavesdropping

C.

Scanning

D.

Sniffing

Question 21

Geena, a cloud architect, uses a master component in the Kubernetes cluster architecture that scans newly generated pods and allocates a node to them. This component can also assign nodes based on factors such as the overall resource requirement, data locality, software/hardware/policy restrictions, and internal workload interventions.

Which of the following master components is explained in the above scenario?

Options:

A.

Kube-controller-manager

B.

Kube-scheduler

C.

Kube-apiserver

D.

Etcd cluster

Question 22

in this form of encryption algorithm, every Individual block contains 64-bit data, and three keys are used, where each key consists of 56 bits. Which is this encryption algorithm?

Options:

A.

IDEA

B.

Triple Data Encryption standard

C.

MDS encryption algorithm

D.

AES

Question 23

In an attempt to damage the reputation of a competitor organization, Hailey, a professional hacker, gathers a list of employee and client email addresses and other related information by using various search engines, social networking sites, and web spidering tools. In this process, she also uses an automated tool to gather a list of words from the target website to further perform a brute-force attack on the previously gathered email addresses.

What is the tool used by Hailey for gathering a list of words from the target website?

Options:

A.

Shadowsocks

B.

CeWL

C.

Psiphon

D.

Orbot

Question 24

How does a denial-of-service attack work?

Options:

A.

A hacker prevents a legitimate user (or group of users) from accessing a service

B.

A hacker uses every character, word, or letter he or she can think of to defeat authentication

C.

A hacker tries to decipher a password by using a system, which subsequently crashes the network

D.

A hacker attempts to imitate a legitimate user by confusing a computer or even another person

Question 25

Every company needs a formal written document which spells out to employees precisely what they are allowed to use the company's systems for, what is prohibited, and what will happen to them if they break the rules. Two printed copies of the policy should be given to every employee as soon as possible after they join the organization. The employee should be asked to sign one copy, which should be safely filed by the company. No one should be allowed to use the company's computer systems until they have signed the policy in acceptance of its terms.

What is this document called?

Options:

A.

Information Audit Policy (IAP)

B.

Information Security Policy (ISP)

C.

Penetration Testing Policy (PTP)

D.

Company Compliance Policy (CCP)

Question 26

A zone file consists of which of the following Resource Records (RRs)?

Options:

A.

DNS, NS, AXFR, and MX records

B.

DNS, NS, PTR, and MX records

C.

SOA, NS, AXFR, and MX records

D.

SOA, NS, A, and MX records

Question 27

Which tier in the N-tier application architecture is responsible for moving and processing data between the tiers?

Options:

A.

Presentation tier

B.

Application Layer

C.

Logic tier

D.

Data tier

Question 28

Josh has finished scanning a network and has discovered multiple vulnerable services. He knows that several of these usually have protections against external sources but are frequently susceptible to internal users. He decides to draft an email, spoof the sender as the internal IT team, and attach a malicious file disguised as a financial spreadsheet. Before Josh sends the email, he decides to investigate other methods of getting the file onto the system. For this particular attempt, what was the last stage of the cyber kill chain that Josh performed?

Options:

A.

Exploitation

B.

Weaponization

C.

Delivery

D.

Reconnaissance

Question 29

infecting a system with malware and using phishing to gain credentials to a system or web application are examples of which phase of the ethical hacking methodology?

Options:

A.

Reconnaissance

B.

Maintaining access

C.

Scanning

D.

Gaining access

Question 30

Ralph, a professional hacker, targeted Jane, who had recently bought new systems for her company. After a few days, Ralph contacted Jane while masquerading as a legitimate customer support executive, informing that her systems need to be serviced for proper functioning and that customer support will send a computer technician. Jane promptly replied positively. Ralph entered Jane's company using this opportunity and gathered sensitive information by scanning terminals for passwords, searching for important documents in desks, and rummaging bins. What is the type of attack technique Ralph used on jane?

Options:

A.

Dumpster diving

B.

Eavesdropping

C.

Shoulder surfing

D.

impersonation

Question 31

Which type of attack attempts to overflow the content-addressable memory (CAM) table in an Ethernet switch?

Options:

A.

Evil twin attack

B.

DNS cache flooding

C.

MAC flooding

D.

DDoS attack

Question 32

A regional bank hires your company to perform a security assessment on their network after a recent data breach. The attacker was able to steal financial data from the bank by compromising only a single server. Based on this information, what should be one of your key recommendations to the bank?

Options:

A.

Place a front-end web server in a demilitarized zone that only handles external web traffic

B.

Require all employees to change their anti-virus program with a new one

C.

Move the financial data to another server on the same IP subnet

D.

Issue new certificates to the web servers from the root certificate authority

Question 33

An attacker decided to crack the passwords used by industrial control systems. In this process, he employed a loop strategy to recover these passwords. He used one character at a time to check whether the first character entered is correct; if so, he continued the loop for consecutive characters. If not, he terminated the loop. Furthermore, the attacker checked how much time the device took to finish one complete password authentication process, through which he deduced how many characters entered are correct.

What is the attack technique employed by the attacker to crack the passwords of the industrial control systems?

Options:

A.

Side-channel attack

B.

Denial-of-service attack

C.

HMI-based attack

D.

Buffer overflow attack

Question 34

A friend of yours tells you that he downloaded and executed a file that was sent to him by a coworker. Since the file did nothing when executed, he asks you for help because he suspects that he may have installed a trojan on his computer.

what tests would you perform to determine whether his computer Is Infected?

Options:

A.

Use ExifTool and check for malicious content.

B.

You do not check; rather, you immediately restore a previous snapshot of the operating system.

C.

Upload the file to VirusTotal.

D.

Use netstat and check for outgoing connections to strange IP addresses or domains.

Question 35

Attacker Rony Installed a rogue access point within an organization's perimeter and attempted to Intrude into its internal network. Johnson, a security auditor, identified some unusual traffic in the internal network that is aimed at cracking the authentication mechanism. He immediately turned off the targeted network and tested for any weak and outdated security mechanisms that are open to attack. What is the type of vulnerability assessment performed by Johnson in the above scenario?

Options:

A.

Distributed assessment

B.

Wireless network assessment

C.

Most-based assessment

D.

Application assessment

Question 36

Henry is a penetration tester who works for XYZ organization. While performing enumeration on a client organization, he queries the DNS server for a specific cached DNS record. Further, by using this cached record, he determines the sites recently visited by the organization's user. What is the enumeration technique used by Henry on the organization?

Options:

A.

DNS zone walking

B.

DNS cache snooping

C.

DNS SEC zone walking

D.

DNS cache poisoning

Question 37

The network in ABC company is using the network address 192.168.1.64 with mask 255.255.255.192. In the network the servers are in the addresses 192.168.1.122, 192.168.1.123 and 192.168.1.124. An attacker is trying to find those servers but he cannot see them in his scanning. The command he is using is: nmap 192.168.1.64/28.

Why he cannot see the servers?

Options:

A.

He needs to add the command ““ip address”” just before the IP address

B.

He needs to change the address to 192.168.1.0 with the same mask

C.

He is scanning from 192.168.1.64 to 192.168.1.78 because of the mask /28 and the servers are not in that range

D.

The network must be dawn and the nmap command and IP address are ok

Question 38

You are a penetration tester tasked with testing the wireless network of your client Brakeme SA. You are attempting to break into the wireless network with the SSID "Brakeme-lnternal." You realize that this network uses WPA3 encryption, which of the following vulnerabilities is the promising to exploit?

Options:

A.

Dragonblood

B.

Cross-site request forgery

C.

Key reinstallation attack

D.

AP Myconfiguration

Question 39

what is the correct way of using MSFvenom to generate a reverse TCP shellcode for windows?

Options:

A.

msfvenom -p windows/meterpreter/reverse_tcp LHOST=10.10.10.30 LPORT=4444 -f c

B.

msfvenom -p windows/meterpreter/reverse_tcp RHOST=10.10.10.30 LPORT=4444 -f c

C.

msfvenom -p windows/meterpreter/reverse_tcp LHOST=10.10.10.30 LPORT=4444 -f exe > shell.exe

D.

msfvenom -p windows/meterpreter/reverse_tcp RHOST=10.10.10.30 LPORT=4444 -f exe > shell.exe

Question 40

What is the proper response for a NULL scan if the port is open?

Options:

A.

SYN

B.

ACK

C.

FIN

D.

PSH

E.

RST

F.

No response

Question 41

jane invites her friends Alice and John over for a LAN party. Alice and John access Jane's wireless network without a password. However. Jane has a long, complex password on her router. What attack has likely occurred?

Options:

A.

Wireless sniffing

B.

Piggybacking

C.

Evil twin

D.

Wardriving

Question 42

If a tester is attempting to ping a target that exists but receives no response or a response that states the destination is unreachable, ICMP may be disabled and the network may be using TCP. Which other option could the tester use to get a response from a host using TCP?

Options:

A.

Traceroute

B.

Hping

C.

TCP ping

D.

Broadcast ping

Question 43

The Heartbleed bug was discovered in 2014 and is widely referred to under MITRE’s Common Vulnerabilities and Exposures (CVE) as CVE-2014-0160. This bug affects the OpenSSL implementation of the Transport Layer Security (TLS) protocols defined in RFC6520.

What type of key does this bug leave exposed to the Internet making exploitation of any compromised system very easy?

Options:

A.

Public

B.

Private

C.

Shared

D.

Root

Question 44

You went to great lengths to install all the necessary technologies to prevent hacking attacks, such as expensive firewalls, antivirus software, anti-spam systems and intrusion detection/prevention tools in your company's network. You have configured the most secure policies and tightened every device on your network. You are confident that hackers will never be able to gain access to your network with complex security system in place.

Your peer, Peter Smith who works at the same department disagrees with you.

He says even the best network security technologies cannot prevent hackers gaining access to the network because of presence of "weakest link" in the security chain.

What is Peter Smith talking about?

Options:

A.

Untrained staff or ignorant computer users who inadvertently become the weakest link in your security chain

B.

"zero-day" exploits are the weakest link in the security chain since the IDS will not be able to detect these attacks

C.

"Polymorphic viruses" are the weakest link in the security chain since the Anti-Virus scanners will not be able to detect these attacks

D.

Continuous Spam e-mails cannot be blocked by your security system since spammers use different techniques to bypass the filters in your gateway

Question 45

Jacob works as a system administrator in an organization. He wants to extract the source code of a mobile application and disassemble the application to analyze its design flaws. Using this technique, he wants to fix any bugs in the application, discover underlying vulnerabilities, and improve defense strategies against attacks.

What is the technique used by Jacob in the above scenario to improve the security of the mobile application?

Options:

A.

Reverse engineering

B.

App sandboxing

C.

Jailbreaking

D.

Social engineering

Question 46

Which of the following statements is TRUE?

Options:

A.

Packet Sniffers operate on the Layer 1 of the OSI model.

B.

Packet Sniffers operate on Layer 2 of the OSI model.

C.

Packet Sniffers operate on both Layer 2 & Layer 3 of the OSI model.

D.

Packet Sniffers operate on Layer 3 of the OSI model.

Question 47

What tool can crack Windows SMB passwords simply by listening to network traffic?

Options:

A.

This is not possible

B.

Netbus

C.

NTFSDOS

D.

L0phtcrack

Question 48

Kevin, an encryption specialist, implemented a technique that enhances the security of keys used for encryption and authentication. Using this technique, Kevin input an initial key to an algorithm that generated an enhanced key that is resistant to brute-force attacks. What is the technique employed by Kevin to improve the security of encryption keys?

Options:

A.

Key derivation function

B.

Key reinstallation

C.

A Public key infrastructure

D.

Key stretching

Question 49

An attacker redirects the victim to malicious websites by sending them a malicious link by email. The link appears authentic but redirects the victim to a malicious web page, which allows the attacker to steal the victim's data. What type of attack is this?

Options:

A.

Phishing

B.

Vlishing

C.

Spoofing

D.

DDoS

Question 50

If executives are found liable for not properly protecting their company’s assets and information systems, what type of law would apply in this situation?

Options:

A.

Criminal

B.

International

C.

Common

D.

Civil

Question 51

CompanyXYZ has asked you to assess the security of their perimeter email gateway. From your office in New York, you craft a specially formatted email message and send it across the Internet to an employee of CompanyXYZ. The employee of CompanyXYZ is aware of your test. Your email message looks like this:

From: jim_miller@companyxyz.com

To: michelle_saunders@companyxyz.com Subject: Test message

Date: 4/3/2017 14:37

The employee of CompanyXYZ receives your email message.

This proves that CompanyXYZ’s email gateway doesn’t prevent what?

Options:

A.

Email Masquerading

B.

Email Harvesting

C.

Email Phishing

D.

Email Spoofing

Question 52

Which of the following tools can be used for passive OS fingerprinting?

Options:

A.

nmap

B.

tcpdump

C.

tracert

D.

ping

Question 53

Peter extracts the SIDs list from Windows 2000 Server machine using the hacking tool "SIDExtractor". Here is the output of the SIDs:

Question # 53

From the above list identify the user account with System Administrator privileges.

Options:

A.

John

B.

Rebecca

C.

Sheela

D.

Shawn

E.

Somia

F.

Chang

G.

Micah

Question 54

John the Ripper is a technical assessment tool used to test the weakness of which of the following?

Options:

A.

Passwords

B.

File permissions

C.

Firewall rulesets

D.

Usernames

Question 55

Elante company has recently hired James as a penetration tester. He was tasked with performing enumeration on an organization's network. In the process of enumeration, James discovered a service that is accessible to external sources. This service runs directly on port 21. What is the service enumerated byjames in the above scenario?

Options:

A.

Border Gateway Protocol (BGP)

B.

File Transfer Protocol (FTP)

C.

Network File System (NFS)

D.

Remote procedure call (RPC)

Question 56

The security administrator of ABC needs to permit Internet traffic in the host 10.0.0.2 and UDP traffic in the host

10.0.0.3. He also needs to permit all FTP traffic to the rest of the network and deny all other traffic. After he

applied his ACL configuration in the router, nobody can access the ftp, and the permitted hosts cannot access

the Internet. According to the next configuration, what is happening in the network?

access-list 102 deny tcp any any

access-list 104 permit udp host 10.0.0.3 any

access-list 110 permit tcp host 10.0.0.2 eq www any

access-list 108 permit tcp any eq ftp any

Options:

A.

The ACL 104 needs to be first because is UDP

B.

The first ACL is denying all TCP traffic and the other ACLs are being ignored by the router

C.

The ACL for FTP must be before the ACL 110

D.

The ACL 110 needs to be changed to port 80

Question 57

A Security Engineer at a medium-sized accounting firm has been tasked with discovering how much information can be obtained from the firm’s public facing web servers. The engineer decides to start by using netcat to port 80.

The engineer receives this output:

HTTP/1.1 200 OK

Server: Microsoft-IIS/6

Expires: Tue, 17 Jan 2011 01:41:33 GMT

Date: Mon, 16 Jan 2011 01:41:33 GMT

Content-Type: text/html

Accept-Ranges: bytes

Last Modified: Wed, 28 Dec 2010 15:32:21 GMT

ETag:“b0aac0542e25c31:89d”

Content-Length: 7369

Which of the following is an example of what the engineer performed?

Options:

A.

Banner grabbing

B.

SQL injection

C.

Whois database query

D.

Cross-site scripting

Question 58

Eric, a cloud security engineer, implements a technique for securing the cloud resources used by his organization. This technique assumes by default that a user attempting to access the network is not an authentic entity and verifies every incoming connection before allowing access to the network. Using this technique, he also imposed conditions such that employees can access only the resources required for their role.

What is the technique employed by Eric to secure cloud resources?

Options:

A.

Serverless computing

B.

Demilitarized zone

C.

Container technology

D.

Zero trust network

Question 59

In an internal security audit, the white hat hacker gains control over a user account and attempts to acquire access to another account's confidential files and information. How can he achieve this?

Options:

A.

Privilege Escalation

B.

Shoulder-Surfing

C.

Hacking Active Directory

D.

Port Scanning

Question 60

Which of the following Metasploit post-exploitation modules can be used to escalate privileges on Windows systems?

Options:

A.

getsystem

B.

getuid

C.

keylogrecorder

D.

autoroute

Question 61

Which Metasploit Framework tool can help penetration tester for evading Anti-virus Systems?

Options:

A.

msfpayload

B.

msfcli

C.

msfd

D.

msfencode

Question 62

What is GINA?

Options:

A.

Gateway Interface Network Application

B.

GUI Installed Network Application CLASS

C.

Global Internet National Authority (G-USA)

D.

Graphical Identification and Authentication DLL

Question 63

Gavin owns a white-hat firm and is performing a website security audit for one of his clients. He begins by running a scan which looks for common misconfigurations and outdated software versions. Which of the following tools is he most likely using?

Options:

A.

Nikto

B.

Nmap

C.

Metasploit

D.

Armitage

Question 64

During the enumeration phase. Lawrence performs banner grabbing to obtain information such as OS details and versions of services running. The service that he enumerated runs directly on TCP port 445.

Which of the following services is enumerated by Lawrence in this scenario?

Options:

A.

Server Message Block (SMB)

B.

Network File System (NFS)

C.

Remote procedure call (RPC)

D.

Telnet

Question 65

What is the file that determines the basic configuration (specifically activities, services, broadcast receivers, etc.) in an Android application?

Options:

A.

AndroidManifest.xml

B.

APK.info

C.

resources.asrc

D.

classes.dex

Question 66

To determine if a software program properly handles a wide range of invalid input, a form of automated testing can be used to randomly generate invalid input in an attempt to crash the program.

What term is commonly used when referring to this type of testing?

Options:

A.

Randomizing

B.

Bounding

C.

Mutating

D.

Fuzzing

Question 67

Jack, a disgruntled ex-employee of Incalsol Ltd., decided to inject fileless malware into Incalsol's systems. To deliver the malware, he used the current employees' email IDs to send fraudulent emails embedded with malicious links that seem to be legitimate. When a victim employee clicks on the link, they are directed to a fraudulent website that automatically loads Flash and triggers the exploit. What is the technique used byjack to launch the fileless malware on the target systems?

Options:

A.

In-memory exploits

B.

Phishing

C.

Legitimate applications

D.

Script-based injection

Question 68

Which type of security feature stops vehicles from crashing through the doors of a building?

Options:

A.

Bollards

B.

Receptionist

C.

Mantrap

D.

Turnstile

Question 69

As a Certified Ethical Hacker, you were contracted by a private firm to conduct an external security assessment through penetration testing.

What document describes the specifics of the testing, the associated violations, and essentially protects both the organization’s interest and your liabilities as a tester?

Options:

A.

Service Level Agreement

B.

Project Scope

C.

Rules of Engagement

D.

Non-Disclosure Agreement

Question 70

What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?

Options:

A.

All are hacking tools developed by the legion of doom

B.

All are tools that can be used not only by hackers, but also security personnel

C.

All are DDOS tools

D.

All are tools that are only effective against Windows

E.

All are tools that are only effective against Linux

Question 71

After an audit, the auditors Inform you that there is a critical finding that you must tackle Immediately. You read the audit report, and the problem is the service running on port 389. Which service Is this and how can you tackle the problem?

Options:

A.

The service is LDAP. and you must change it to 636. which is LDPAPS.

B.

The service is NTP. and you have to change It from UDP to TCP in order to encrypt it

C.

The findings do not require immediate actions and are only suggestions.

D.

The service is SMTP, and you must change it to SMIME. which is an encrypted way to send emails.

Question 72

Internet Protocol Security IPsec is actually a suite pf protocols. Each protocol within the suite provides different functionality. Collective IPsec does everything except.

Options:

A.

Protect the payload and the headers

B.

Encrypt

C.

Work at the Data Link Layer

D.

Authenticate

Question 73

Which of the following options represents a conceptual characteristic of an anomaly-based IDS over a signature-based IDS?

Options:

A.

Produces less false positives

B.

Can identify unknown attacks

C.

Requires vendor updates for a new threat

D.

Cannot deal with encrypted network traffic

Question 74

Richard, an attacker, targets an MNC In this process, he uses a footprinting technique to gather as much information as possible. Using this technique, he gathers domain information such as the target domain name, contact details of its owner, expiry date, and creation date. With this information, he creates a map of the organization's network and misleads domain owners with social engineering to obtain internal details of its network. What type of footprinting technique is employed by Richard?

Options:

A.

VPN footprinting

B.

Email footprinting

C.

VoIP footprinting

D.

Whois footprinting

Question 75

Which DNS resource record can indicate how long any "DNS poisoning" could last?

Options:

A.

MX

B.

SOA

C.

NS

D.

TIMEOUT

Question 76

Security administrator John Smith has noticed abnormal amounts of traffic coming from local computers at night. Upon reviewing, he finds that user data have been exfilltrated by an attacker. AV tools are unable to find any malicious software, and the IDS/IPS has not reported on any non-whitelisted programs, what type of malware did the attacker use to bypass the company's application whitelisting?

Options:

A.

Phishing malware

B.

Zero-day malware

C.

File-less malware

D.

Logic bomb malware

Question 77

You are using a public Wi-Fi network inside a coffee shop. Before surfing the web, you use your VPN to prevent intruders from sniffing your traffic. If you did not have a VPN, how would you identify whether someone is performing an ARP spoofing attack on your laptop?

Options:

A.

You should check your ARP table and see if there is one IP address with two different MAC addresses.

B.

You should scan the network using Nmap to check the MAC addresses of all the hosts and look for duplicates.

C.

You should use netstat to check for any suspicious connections with another IP address within the LAN.

D.

You cannot identify such an attack and must use a VPN to protect your traffic, r

Question 78

Study the following log extract and identify the attack.

Question # 78

Options:

A.

Hexcode Attack

B.

Cross Site Scripting

C.

Multiple Domain Traversal Attack

D.

Unicode Directory Traversal Attack

Question 79

What type of virus is most likely to remain undetected by antivirus software?

Options:

A.

Cavity virus

B.

Stealth virus

C.

File-extension virus

D.

Macro virus

Question 80

There have been concerns in your network that the wireless network component is not sufficiently secure. You perform a vulnerability scan of the wireless network and find that it is using an old encryption protocol that was designed to mimic wired encryption, what encryption protocol is being used?

Options:

A.

WEP

B.

RADIUS

C.

WPA

D.

WPA3

Question 81

Juliet, a security researcher in an organization, was tasked with checking for the authenticity of images to be used in the organization's magazines. She used these images as a search query and tracked the original source and details of the images, which included photographs, profile pictures, and memes. Which of the following footprinting techniques did Rachel use to finish her task?

Options:

A.

Reverse image search

B.

Meta search engines

C.

Advanced image search

D.

Google advanced search

Question 82

Bill has been hired as a penetration tester and cyber security auditor for a major credit card company. Which information security standard is most applicable to his role?

Options:

A.

FISMA

B.

HITECH

C.

PCI-DSS

D.

Sarbanes-OxleyAct

Question 83

Which of the following tools are used for enumeration? (Choose three.)

Options:

A.

SolarWinds

B.

USER2SID

C.

Cheops

D.

SID2USER

E.

DumpSec

Question 84

The establishment of a TCP connection involves a negotiation called three-way handshake. What type of message does the client send to the server in order to begin this negotiation?

Options:

A.

ACK

B.

SYN

C.

RST

D.

SYN-ACK

Question 85

Which of the following viruses tries to hide from anti-virus programs by actively altering and corrupting the chosen service call interruptions when they are being run?

Options:

A.

Macro virus

B.

Stealth/Tunneling virus

C.

Cavity virus

D.

Polymorphic virus

Question 86

Richard, an attacker, aimed to hack loT devices connected to a target network. In this process. Richard recorded the frequency required to share information between connected devices. After obtaining the frequency, he captured the original data when commands were initiated by the connected devices. Once the original data were collected, he used free tools such as URH to segregate the command sequence. Subsequently, he started injecting the segregated command sequence on the same frequency into the loT network, which repeats the captured signals of the devices. What Is the type of attack performed by Richard In the above scenario?

Options:

A.

Side-channel attack

B.

Replay attack

C.

CrypTanalysis attack

D.

Reconnaissance attack

Question 87

What is a “Collision attack” in cryptography?

Options:

A.

Collision attacks try to get the public key

B.

Collision attacks try to break the hash into three parts to get the plaintext value

C.

Collision attacks try to break the hash into two parts, with the same bytes in each part to get the private key

D.

Collision attacks try to find two inputs producing the same hash

Question 88

Which of the following LM hashes represent a password of less than 8 characters? (Choose two.)

Options:

A.

BA810DBA98995F1817306D272A9441BB

B.

44EFCE164AB921CQAAD3B435B51404EE

C.

0182BD0BD4444BF836077A718CCDF409

D.

CEC52EB9C8E3455DC2265B23734E0DAC

E.

B757BF5C0D87772FAAD3B435B51404EE

F.

E52CAC67419A9A224A3B108F3FA6CB6D

Question 89

A group of hackers were roaming around a bank office building in a city, driving a luxury car. They were using hacking tools on their laptop with the intention to find a free-access wireless network. What is this hacking process known as?

Options:

A.

GPS mapping

B.

Spectrum analysis

C.

Wardriving

D.

Wireless sniffing

Question 90

ping-* 6 192.168.0.101

Output:

Pinging 192.168.0.101 with 32 bytes of data:

Reply from 192.168.0.101: bytes=32 time<1ms TTL=128

Reply from 192.168.0.101: bytes=32 time<1ms TTL=128

Reply from 192.168.0.101: bytes=32 time<1ms TTL=128

Reply from 192.168.0.101: bytes=32 time<1ms TTL=128

Reply from 192.168.0.101: bytes=32 time<1ms TTL=128

Reply from 192.168.0.101:

Ping statistics for 192.168.0101

Packets: Sent = 6, Received = 6, Lost = 0 (0% loss).

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0ms

What does the option * indicate?

Options:

A.

t

B.

s

C.

a

D.

n

Question 91

Which wireless security protocol replaces the personal pre-shared key (PSK) authentication with Simultaneous Authentication of Equals (SAE) and is therefore resistant to offline dictionary attacks?

Options:

A.

WPA3-Personal

B.

WPA2-Enterprise

C.

Bluetooth

D.

ZigBee

Question 92

Which of the following DoS tools is used to attack target web applications by starvation of available sessions on the web server?

The tool keeps sessions at halt using never-ending POST transmissions and sending an arbitrarily large content-length header value.

Options:

A.

My Doom

B.

Astacheldraht

C.

R-U-Dead-Yet?(RUDY)

D.

LOIC

Question 93

Samuel a security administrator, is assessing the configuration of a web server. He noticed that the server permits SSlv2 connections, and the same private key certificate is used on a different server that allows SSLv2 connections. This vulnerability makes the web server vulnerable to attacks as the SSLv2 server can leak key information.

Which of the following attacks can be performed by exploiting the above vulnerability?

Options:

A.

DROWN attack

B.

Padding oracle attack

C.

Side-channel attack

D.

DUHK attack

Question 94

Harper, a software engineer, is developing an email application. To ensure the confidentiality of email messages. Harper uses a symmetric-key block cipher having a classical 12- or 16-round Feistel network with a block size of 64 bits for encryption, which includes large 8 x 32-bit S-boxes (S1, S2, S3, S4) based on bent functions, modular addition and subtraction, key-dependent rotation, and XOR operations. This cipher also uses a masking key(Km1)and a rotation key (Kr1) for performing its functions. What is the algorithm employed by Harper to secure the email messages?

Options:

A.

CAST-128

B.

AES

C.

GOST block cipher

D.

DES

Question 95

Morris, an attacker, wanted to check whether the target AP is in a locked state. He attempted using different utilities to identify WPS-enabled APs in the target wireless network. Ultimately, he succeeded with one special command-line utility. Which of the following command-line utilities allowed Morris to discover the WPS-enabled APs?

Options:

A.

wash

B.

ntptrace

C.

macof

D.

net View

Question 96

Which of the following provides a security professional with most information about the system’s security posture?

Options:

A.

Phishing, spamming, sending trojans

B.

Social engineering, company site browsing tailgating

C.

Wardriving, warchalking, social engineering

D.

Port scanning, banner grabbing service identification

Question 97

Bob received this text message on his mobile phone: “Hello, this is Scott Smelby from the Yahoo Bank. Kindly contact me for a vital transaction on: scottsmelby@yahoo.com”. Which statement below is true?

Options:

A.

This is a scam as everybody can get a @yahoo address, not the Yahoo customer service employees.

B.

This is a scam because Bob does not know Scott.

C.

Bob should write to scottmelby@yahoo.com to verify the identity of Scott.

D.

This is probably a legitimate message as it comes from a respectable organization.

Question 98

One of your team members has asked you to analyze the following SOA record.

What is the TTL? Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600 3600 604800 2400.)

Options:

A.

200303028

B.

3600

C.

604800

D.

2400

E.

60

F.

4800

Question 99

Clark, a professional hacker, attempted to perform a Btlejacking attack using an automated tool, Btlejack, and hardware tool, micro:bit. This attack allowed Clark to hijack, read, and export sensitive information shared between connected devices. To perform this attack, Clark executed various btlejack commands. Which of the following commands was used by Clark to hijack the connections?

Options:

A.

btlejack-f 0x129f3244-j

B.

btlejack -c any

C.

btlejack -d /dev/ttyACM0 -d /dev/ttyACM2 -s

D.

btlejack -f 0x9c68fd30 -t -m 0x1 fffffffff

Question 100

You are attempting to run an Nmap port scan on a web server. Which of the following commands would result in a scan of common ports with the least amount of noise in order to evade IDS?

Options:

A.

nmap -A - Pn

B.

nmap -sP -p-65535 -T5

C.

nmap -sT -O -T0

D.

nmap -A --host-timeout 99 -T1

Question 101

Why should the security analyst disable/remove unnecessary ISAPI filters?

Options:

A.

To defend against social engineering attacks

B.

To defend against webserver attacks

C.

To defend against jailbreaking

D.

To defend against wireless attacks

Question 102

Leverox Solutions hired Arnold, a security professional, for the threat intelligence process. Arnold collected information about specific threats against the organization. From this information, he retrieved contextual information about security events and incidents that helped him disclose potential risks and gain insight into attacker methodologies. He collected the information from sources such as humans, social media, and chat rooms as well as from events that resulted in cyberattacks. In this process, he also prepared a report that includes identified malicious activities, recommended courses of action, and warnings for emerging attacks. What is the type of threat intelligence collected by Arnold in the above scenario?

Options:

A.

Strategic threat intelligence

B.

Tactical threat intelligence

C.

Operational threat intelligence

D.

Technical threat intelligence

Question 103

Why would you consider sending an email to an address that you know does not exist within the company you are performing a Penetration Test for?

Options:

A.

To determine who is the holder of the root account

B.

To perform a DoS

C.

To create needless SPAM

D.

To illicit a response back that will reveal information about email servers and how they treat undeliverable mail

E.

To test for virus protection

Question 104

While testing a web application in development, you notice that the web server does not properly ignore the “dot dot slash” (../) character string and instead returns the file listing of a folder structure of the server.

What kind of attack is possible in this scenario?

Options:

A.

Cross-site scripting

B.

Denial of service

C.

SQL injection

D.

Directory traversal

Question 105

A DDOS attack is performed at layer 7 to take down web infrastructure. Partial HTTP requests are sent to the web infrastructure or applications. Upon receiving a partial request, the target servers opens multiple connections and keeps waiting for the requests to complete.

Which attack is being described here?

Options:

A.

Desynchronization

B.

Slowloris attack

C.

Session splicing

D.

Phlashing

Question 106

Robert, a professional hacker, is attempting to execute a fault injection attack on a target IoT device. In this process, he injects faults into the power supply that can be used for remote execution, also causing the skipping of key instructions. He also injects faults into the clock network used for delivering a synchronized signal across the chip.

Which of the following types of fault injection attack is performed by Robert in the above scenario?

Options:

A.

Frequency/voltage tampering

B.

Optical, electromagnetic fault injection (EMFI)

C.

Temperature attack

D.

Power/clock/reset glitching

Question 107

What is the purpose of DNS AAAA record?

Options:

A.

Authorization, Authentication and Auditing record

B.

Address prefix record

C.

Address database record

D.

IPv6 address resolution record

Question 108

What is the minimum number of network connections in a multihomed firewall?

Options:

A.

3

B.

5

C.

4

D.

2

Question 109

Jake, a professional hacker, installed spyware on a target iPhone to spy on the target user's activities. He can take complete control of the target mobile device by jailbreaking the device remotely and record audio, capture screenshots, and monitor all phone calls and SMS messages. What is the type of spyware that Jake used to infect the target device?

Options:

A.

DroidSheep

B.

Androrat

C.

Zscaler

D.

Trident

Question 110

Insecure direct object reference is a type of vulnerability where the application does not verify if the user is authorized to access the internal object via its name or key. Suppose a malicious user Rob tries to get access to the account of a benign user Ned.

Which of the following requests best illustrates an attempt to exploit an insecure direct object reference vulnerability?

Options:

A.

“GET /restricted/goldtransfer?to=Rob&from=1 or 1=1’ HTTP/1.1Host: westbank.com”

B.

“GET /restricted/\r\n\%00account%00Ned%00access HTTP/1.1 Host: westbank.com”

C.

“GET /restricted/accounts/?name=Ned HTTP/1.1 Host westbank.com”

D.

“GET /restricted/ HTTP/1.1 Host: westbank.com

Question 111

How can you determine if an LM hash you extracted contains a password that is less than 8 characters long?

Options:

A.

There is no way to tell because a hash cannot be reversed

B.

The right most portion of the hash is always the same

C.

The hash always starts with AB923D

D.

The left most portion of the hash is always the same

E.

A portion of the hash will be all 0's

Question 112

A user on your Windows 2000 network has discovered that he can use L0phtcrack to sniff the SMB exchanges which carry user logons. The user is plugged into a hub with 23 other systems.

However, he is unable to capture any logons though he knows that other users are logging in.

What do you think is the most likely reason behind this?

Options:

A.

There is a NIDS present on that segment.

B.

Kerberos is preventing it.

C.

Windows logons cannot be sniffed.

D.

L0phtcrack only sniffs logons to web servers.

Question 113

What is the most common method to exploit the “Bash Bug” or “Shellshock” vulnerability?

Options:

A.

SYN Flood

B.

SSH

C.

Through Web servers utilizing CGI (Common Gateway Interface) to send a malformed environment variable to a vulnerable Web server

D.

Manipulate format strings in text fields

Question 114

The tools which receive event logs from servers, network equipment, and applications, and perform analysis and correlation on those logs, and can generate alarms for security relevant issues, are known as what?

Options:

A.

network Sniffer

B.

Vulnerability Scanner

C.

Intrusion prevention Server

D.

Security incident and event Monitoring

Question 115

Some clients of TPNQM SA were redirected to a malicious site when they tried to access the TPNQM main site. Bob, a system administrator at TPNQM SA, found that they were victims of DNS Cache Poisoning. What should Bob recommend to deal with such a threat?

Options:

A.

The use of security agents in clients’ computers

B.

The use of DNSSEC

C.

The use of double-factor authentication

D.

Client awareness

Question 116

During an Xmas scan what indicates a port is closed?

Options:

A.

No return response

B.

RST

C.

ACK

D.

SYN

Question 117

Which access control mechanism allows for multiple systems to use a central authentication server (CAS) that

permits users to authenticate once and gain access to multiple systems?

Options:

A.

Role Based Access Control (RBAC)

B.

Discretionary Access Control (DAC)

C.

Single sign-on

D.

Windows authentication

Question 118

In the context of password security, a simple dictionary attack involves loading a dictionary file (a text file full of dictionary words) into a cracking application such as L0phtCrack or John the Ripper, and running it against user accounts located by the application. The larger the word and word fragment selection, the more effective the dictionary attack is. The brute force method is the most inclusive, although slow. It usually tries every possible letter and number combination in its automated exploration. If you would use both brute force and dictionary methods combined together to have variation of words, what would you call such an attack?

Options:

A.

Full Blown

B.

Thorough

C.

Hybrid

D.

BruteDics

Question 119

An attacker attaches a rogue router in a network. He wants to redirect traffic to a LAN attached to his router as part of a man-in-the-middle attack. What measure on behalf of the legitimate admin can mitigate this attack?

Options:

A.

Make sure that legitimate network routers are configured to run routing protocols with authentication.

B.

Disable all routing protocols and only use static routes

C.

Only using OSPFv3 will mitigate this risk.

D.

Redirection of the traffic cannot happen unless the admin allows it explicitly.

Question 120

Upon establishing his new startup, Tom hired a cloud service provider (CSP) but was dissatisfied with their service and wanted to move to another CSP.

What part of the contract might prevent him from doing so?

Options:

A.

Virtualization

B.

Lock-in

C.

Lock-down

D.

Lock-up

Question 121

Under what conditions does a secondary name server request a zone transfer from a primary name server?

Options:

A.

When a primary SOA is higher that a secondary SOA

B.

When a secondary SOA is higher that a primary SOA

C.

When a primary name server has had its service restarted

D.

When a secondary name server has had its service restarted

E.

When the TTL falls to zero

Question 122

What did the following commands determine?

Question # 122

Options:

A.

That the Joe account has a SID of 500

B.

These commands demonstrate that the guest account has NOT been disabled

C.

These commands demonstrate that the guest account has been disabled

D.

That the true administrator is Joe

E.

Issued alone, these commands prove nothing

Question 123

A company’s policy requires employees to perform file transfers using protocols which encrypt traffic. You suspect some employees are still performing file transfers using unencrypted protocols because the employees do not like changes. You have positioned a network sniffer to capture traffic from the laptops used by employees in the data ingest department. Using Wireshark to examine the captured traffic, which command can be used as display filter to find unencrypted file transfers?

Options:

A.

tcp.port = = 21

B.

tcp.port = 23

C.

tcp.port = = 21 | | tcp.port = =22

D.

tcp.port ! = 21

Question 124

Vlady works in a fishing company where the majority of the employees have very little understanding of IT let alone IT Security. Several information security issues that Vlady often found includes, employees sharing password, writing his/her password on a post it note and stick it to his/her desk, leaving the computer unlocked, didn’t log out from emails or other social media accounts, and etc.

After discussing with his boss, Vlady decided to make some changes to improve the security environment in his company. The first thing that Vlady wanted to do is to make the employees understand the importance of keeping confidential information, such as password, a secret and they should not share it with other persons.

Which of the following steps should be the first thing that Vlady should do to make the employees in his company understand to importance of keeping confidential information a secret?

Options:

A.

Warning to those who write password on a post it note and put it on his/her desk

B.

Developing a strict information security policy

C.

Information security awareness training

D.

Conducting a one to one discussion with the other employees about the importance of information security

Question 125

Don, a student, came across a gaming app in a third-party app store and Installed it. Subsequently, all the legitimate apps in his smartphone were replaced by deceptive applications that appeared legitimate. He also received many advertisements on his smartphone after Installing the app. What is the attack performed on Don in the above scenario?

Options:

A.

SMS phishing attack

B.

SIM card attack

C.

Agent Smith attack

D.

Clickjacking

Question 126

Which of the following tools performs comprehensive tests against web servers, including dangerous files and CGIs?

Options:

A.

Nikto

B.

John the Ripper

C.

Dsniff

D.

Snort

Question 127

You are programming a buffer overflow exploit and you want to create a NOP sled of 200 bytes in the program exploit.c

Question # 127

What is the hexadecimal value of NOP instruction?

Options:

A.

0x60

B.

0x80

C.

0x70

D.

0x90

Question 128

There are multiple cloud deployment options depending on how isolated a customer's resources are from those of other customers. Shared environments share the costs and allow each customer to enjoy lower operations expenses. One solution Is for a customer to Join with a group of users or organizations to share a cloud environment. What is this cloud deployment option called?

Options:

A.

Hybrid

B.

Community

C.

Public

D.

Private

Question 129

This is an attack that takes advantage of a web site vulnerability in which the site displays content that includes un-sanitized user-provided data.

Question # 129

What is this attack?

Options:

A.

Cross-site-scripting attack

B.

SQL Injection

C.

URL Traversal attack

D.

Buffer Overflow attack

Question 130

Lewis, a professional hacker, targeted the loT cameras and devices used by a target venture-capital firm. He used an information-gathering tool to collect information about the loT devices connected to a network, open ports and services, and the attack surface area. Using this tool, he also generated statistical reports on broad usage patterns and trends. This tool helped Lewis continually monitor every reachable server and device on the Internet, further allowing him to exploit these devices in the network. Which of the following tools was employed by Lewis in the above scenario?

Options:

A.

Censys

B.

Wapiti

C.

NeuVector

D.

Lacework

Question 131

Mr. Omkar performed tool-based vulnerability assessment and found two vulnerabilities. During analysis, he found that these issues are not true vulnerabilities.

What will you call these issues?

Options:

A.

False positives

B.

True negatives

C.

True positives

D.

False negatives

Question 132

An LDAP directory can be used to store information similar to a SQL database. LDAP uses a _____ database structure instead of SQL’s _____ structure. Because of this, LDAP has difficulty representing many-to-one relationships.

Options:

A.

Relational, Hierarchical

B.

Strict, Abstract

C.

Hierarchical, Relational

D.

Simple, Complex

Question 133

Although FTP traffic is not encrypted by default, which layer 3 protocol would allow for end-to-end encryption of the connection?

Options:

A.

SFTP

B.

Ipsec

C.

SSL

D.

FTPS

Question 134

When configuring wireless on his home router, Javik disables SSID broadcast. He leaves authentication “open” but sets the SSID to a 32-character string of random letters and numbers.

What is an accurate assessment of this scenario from a security perspective?

Options:

A.

Since the SSID is required in order to connect, the 32-character string is sufficient to prevent brute-force attacks.

B.

Disabling SSID broadcast prevents 802.11 beacons from being transmitted from the access point, resulting in a valid setup leveraging “security through obscurity”.

C.

It is still possible for a hacker to connect to the network after sniffing the SSID from a successful wireless association.

D.

Javik’s router is still vulnerable to wireless hacking attempts because the SSID broadcast setting can be enabled using a specially crafted packet sent to the hardware address of the access point.

Question 135

An attacker scans a host with the below command. Which three flags are set?

# nmap -sX host.domain.com

Options:

A.

This is SYN scan. SYN flag is set.

B.

This is Xmas scan. URG, PUSH and FIN are set.

C.

This is ACK scan. ACK flag is set.

D.

This is Xmas scan. SYN and ACK flags are set.

Question 136

When considering how an attacker may exploit a web server, what is web server footprinting?

Options:

A.

When an attacker implements a vulnerability scanner to identify weaknesses

B.

When an attacker creates a complete profile of the site's external links and file structures

C.

When an attacker gathers system-level data, including account details and server names

D.

When an attacker uses a brute-force attack to crack a web-server password

Question 137

You are trying to break into a highly classified top-secret mainframe computer with highest security system in place at Merclyn Barley Bank located in Los Angeles.

You know that conventional hacking doesn't work in this case, because organizations such as banks are generally tight and secure when it comes to protecting their systems.

In other words, you are trying to penetrate an otherwise impenetrable system.

How would you proceed?

Options:

A.

Look for "zero-day" exploits at various underground hacker websites in Russia and China and buy the necessary exploits from these hackers and target the bank's network

B.

Try to hang around the local pubs or restaurants near the bank, get talking to a poorly-paid or disgruntled employee, and offer them money if they'll abuse their access privileges by providing you with sensitive information

C.

Launch DDOS attacks against Merclyn Barley Bank's routers and firewall systems using 100, 000 or more "zombies" and "bots"

D.

Try to conduct Man-in-the-Middle (MiTM) attack and divert the network traffic going to the Merclyn Barley Bank's Webserver to that of your machine using DNS Cache Poisoning techniques

Question 138

Fingerprinting an Operating System helps a cracker because:

Options:

A.

It defines exactly what software you have installed

B.

It opens a security-delayed window based on the port being scanned

C.

It doesn't depend on the patches that have been applied to fix existing security holes

D.

It informs the cracker of which vulnerabilities he may be able to exploit on your system

Question 139

A newly joined employee. Janet, has been allocated an existing system used by a previous employee. Before issuing the system to Janet, it was assessed by Martin, the administrator. Martin found that there were possibilities of compromise through user directories, registries, and other system parameters. He also Identified vulnerabilities such as native configuration tables, incorrect registry or file permissions, and software configuration errors. What is the type of vulnerability assessment performed by Martin?

Options:

A.

Credentialed assessment

B.

Database assessment

C.

Host-based assessment

D.

Distributed assessment

Question 140

What kind of detection techniques is being used in antivirus software that identifies malware by collecting data from multiple protected systems and instead of analyzing files locally it’s made on the provider’s environment?

Options:

A.

Behavioral based

B.

Heuristics based

C.

Honeypot based

D.

Cloud based

Question 141

John, a disgruntled ex-employee of an organization, contacted a professional hacker to exploit the organization. In the attack process, the professional hacker Installed a scanner on a machine belonging to one of the vktims and scanned several machines on the same network to Identify vulnerabilities to perform further exploitation. What is the type of vulnerability assessment tool employed by John in the above scenario?

Options:

A.

Proxy scanner

B.

Agent-based scanner

C.

Network-based scanner

D.

Cluster scanner

Question 142

Joel, a professional hacker, targeted a company and identified the types of websites frequently visited by its employees. Using this information, he searched for possible loopholes in these websites and injected a malicious script that can redirect users from the web page and download malware onto a victim's machine. Joel waits for the victim to access the infected web application so as to compromise the victim's machine. Which of the following techniques is used by Joel in the above scenario?

Options:

A.

DNS rebinding attack

B.

Clickjacking attack

C.

MarioNet attack

D.

Watering hole attack

Question 143

Which Nmap switch helps evade IDS or firewalls?

Options:

A.

-n/-R

B.

-0N/-0X/-0G

C.

-T

D.

-D

Question 144

Email is transmitted across the Internet using the Simple Mail Transport Protocol. SMTP does not encrypt email, leaving the information in the message vulnerable to being read by an unauthorized person. SMTP can upgrade a connection between two mail servers to use TLS. Email transmitted by SMTP over TLS is encrypted. What is the name of the command used by SMTP to transmit email over TLS?

Options:

A.

OPPORTUNISTICTLS

B.

UPGRADETLS

C.

FORCETLS

D.

STARTTLS

Question 145

Jane is working as a security professional at CyberSol Inc. She was tasked with ensuring the authentication and integrity of messages being transmitted in the corporate network. To encrypt the messages, she implemented a security model in which every user in the network maintains a ring of public keys. In this model, a user needs to encrypt a message using the receiver's public key, and only the receiver can decrypt the message using their private key. What is the security model implemented by Jane to secure corporate messages?

Options:

A.

Zero trust network

B.

Transport Layer Security (TLS)

C.

Secure Socket Layer (SSL)

D.

Web of trust (WOT)

Question 146

Which of the following is the best countermeasure to encrypting ransomwares?

Options:

A.

Use multiple antivirus softwares

B.

Pay a ransom

C.

Keep some generation of off-line backup

D.

Analyze the ransomware to get decryption key of encrypted data

Question 147

A penetration tester is performing the footprinting process and is reviewing publicly available information about an organization by using the Google search engine.

Which of the following advanced operators would allow the pen tester to restrict the search to the organization’s web domain?

Options:

A.

[allinurl:]

B.

[location:]

C.

[site:]

D.

[link:]

Question 148

To create a botnet. the attacker can use several techniques to scan vulnerable machines. The attacker first collects Information about a large number of vulnerable machines to create a list. Subsequently, they infect the machines. The list Is divided by assigning half of the list to the newly compromised machines. The scanning process runs simultaneously. This technique ensures the spreading and installation of malicious code in little time.

Which technique is discussed here?

Options:

A.

Hit-list-scanning technique

B.

Topological scanning technique

C.

Subnet scanning technique

D.

Permutation scanning technique

Question 149

A "Server-Side Includes" attack refers to the exploitation of a web application by injecting scripts in HTML pages or executing arbitrary code remotely.

Which web-page file type, if it exists on the web server, is a strong indication that the server is vulnerable to this kind of attack?

Options:

A.

.stm

B.

.html

C.

.rss

D.

.cms

Question 150

Kate dropped her phone and subsequently encountered an issue with the phone's internal speaker. Thus, she is using the phone's loudspeaker for phone calls and other activities. Bob, an attacker, takes advantage of this vulnerability and secretly exploits the hardware of Kate's phone so that he can monitor the loudspeaker's output from data sources such as voice assistants, multimedia messages, and audio files by using a malicious app to breach speech privacy. What is the type of attack Bob performed on Kate in the above scenario?

Options:

A.

Man-in-the-disk attack

B.

aLTEr attack

C.

SIM card attack

D.

Spearphone attack

Question 151

if you send a TCP ACK segment to a known closed port on a firewall but it does not respond with an RST. what do you know about the firewall you are scanning?

Options:

A.

There is no firewall in place.

B.

This event does not tell you encrypting about the firewall.

C.

It is a stateful firewall

D.

It Is a non-stateful firewall.

Question 152

Mike, a security engineer, was recently hired by BigFox Ltd. The company recently experienced disastrous DoS attacks. The management had instructed Mike to build defensive strategies for the company's IT infrastructure to thwart DoS/DDoS attacks. Mike deployed some countermeasures to handle jamming and scrambling attacks. What is the countermeasure Mike applied to defend against jamming and scrambling attacks?

Options:

A.

Allow the usage of functions such as gets and strcpy

B.

Allow the transmission of all types of addressed packets at the ISP level

C.

Implement cognitive radios in the physical layer

D.

A Disable TCP SYN cookie protection

Question 153

John, a professional hacker, targeted CyberSol Inc., an MNC. He decided to discover the loT devices connected in the target network that are using default credentials and are vulnerable to various hijacking attacks. For this purpose, he used an automated tool to scan the target network for specific types of loT devices and detect whether they are using the default, factory-set credentials. What is the tool employed by John in the above scenario?

Options:

A.

loTSeeker

B.

loT Inspector

C.

AT&T loT Platform

D.

Azure loT Central

Question 154

Firewalls are the software or hardware systems that are able to control and monitor the traffic coming in and out the target network based on pre-defined set of rules. Which of the following types of firewalls can protect against SQL injection attacks?

Options:

A.

Data-driven firewall

B.

Packet firewall

C.

Web application firewall

D.

Stateful firewall

Question 155

Why is a penetration test considered to be more thorough than vulnerability scan?

Options:

A.

Vulnerability scans only do host discovery and port scanning by default.

B.

A penetration test actively exploits vulnerabilities in the targeted infrastructure, while a vulnerability scan does not typically involve active exploitation.

C.

It is not – a penetration test is often performed by an automated tool, while a vulnerability scan requires active engagement.

D.

The tools used by penetration testers tend to have much more comprehensive vulnerability databases.

Question 156

While performing an Nmap scan against a host, Paola determines the existence of a firewall. In an attempt to determine whether the firewall is stateful or stateless, which of the following options would be best to use?

Options:

A.

-sA

B.

-sX

C.

-sT

D.

-sF

Question 157

Sam, a web developer, was instructed to incorporate a hybrid encryption software program into a web application to secure email messages. Sam used an encryption software, which is a free implementation of the OpenPGP standard that uses both symmetric-key cryptography and asymmetric-key cryptography for improved speed and secure key exchange. What is the encryption software employed by Sam for securing the email messages?

Options:

A.

PGP

B.

S/MIME

C.

SMTP

D.

GPG

Question 158

While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an attack or other wrong doing. However, you are concerned about affecting the normal functionality of the email server. From the following options choose how best you can achieve this objective?

Options:

A.

Block port 25 at the firewall.

B.

Shut off the SMTP service on the server.

C.

Force all connections to use a username and password.

D.

Switch from Windows Exchange to UNIX Sendmail.

E.

None of the above.

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