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Huawei H13-611_V4.5 HCIA-Storage V4.5 Exam Practice Test

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Total 536 questions
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HCIA-Storage V4.5 Questions and Answers

Question 1

The InfiniBand interface is used as the front-end host interface in HUAWEI OceanStor unified storage, which can flexibly support direct connection and

Multiple networking modes of switches.

Options:

A.

TRUE

B.

FALSE

Question 2

Which device allows segregation of collision domains but not broadcasting domains?

Options:

A.

L2 Switches

B.

L3 Switches

C.

Router

D.

Hub

Question 3

What applies to unstructured data? (Multiple Choice)

Options:

A.

After being written, the data is not often modified.

B.

Uncertain value.

C.

Large capacity, rapid growth.

D.

Long-term storage required.

Question 4

For random access to mechanical disks, the most significant impact on the time it takes to complete an IO is:

Options:

A.

Seeking time

B.

Rotation delay

C.

Data transfer time

Question 5

Which of the following statements is true? (Multiple Choice)

Options:

A.

A SAS disk generally has more IOPS than a SATA disk.

B.

only SLC SSD are used in Enterprise level systems.

C.

the realized transfer speed of SSD is higher than that of SAS.

D.

SSD are cheaper than HDD because they are physically much smaller.

Question 6

What is wrong about the snapshot technology below?

Options:

A.

When rolling back a file system snapshot, you must cancel the shared mount of the source file system

B.

After opening multiple snapshots on the same file system, roll back to one of the snapshots. After the rollback is complete, the target will be deleted

All snapshots after the snapshot creation time

C.

When manually creating a snapshot for a file system, it will not be possible to create a new file system for the file system if it exceeds the product specification limit

'S snapshot

D.

When creating a periodic snapshot for the file system, the storage system automatically deletes the earliest created snapshot and automatically generates a new snapshot Photos

Question 7

The disadvantage of full backup is that it requires the last full backup and the most recent differential backup to fully restore data.

Options:

A.

TRUE

B.

FALSE

Question 8

Which of the following items is NOT mandatory in a Fibre Channel SAN?

(Multiple Choice)

Options:

A.

Storage device

B.

Fibre Channel switch

C.

Fibre Channel HBA

D.

Windows operating system

Question 9

What is best described as: the time it takes for the desired data to be beneath the read head when the head is on the correct track?

Options:

A.

Rotational latency

B.

Rotational speed

C.

Seek time

D.

Throughput

Question 10

The HUAWEI OceanStor SmartTier feature can be used to place data on specified disk types.

Options:

A.

TRUE

B.

FALSE

Question 11

What is the main difference between mechanical drives such as SAS with solid state drives(SSD)?

Options:

A.

The presence of mechanical parts.

B.

The performance of the hard drive.

C.

The capacity of hard drive.

D.

The lifespan of hard drive.

Question 12

Which of the following are the 3 layers of SCSI Target Model? (Multiple Choice)

Options:

A.

Network Layer.

B.

Port Layer.

C.

Middle Layer.

D.

Device Layer.

Question 13

Which of the following is NOT a component in an IP SAN?

Options:

A.

iSCSI storage device

B.

Fibre Channel switch

C.

Ethernet switch

D.

NIC

Question 14

Xiao Wang, an employee of a company, serves as the storage system administrator of the company. When he uses two sets of OceanStor5500 V3 as a disaster recovery solution, only one of them is required to configure data remote replication software.

Options:

A.

right

B.

FALSE

Question 15

What is the purpose of context for data?

Options:

A.

Context gives meaning to the data collected. Without context the data is meaningless.

B.

Context gives comparison between data and information.

C.

Context is only found in data and not in information.

D.

Context is optional when collecting and analyzing data.

Question 16

An intelligent backup strategy involves multiple backup policies on the same production data i.e, with different retention periods and different schedules.

Options:

A.

TRUE

B.

FALSE

Question 17

Storage Pools cannot be created with a single tier of disks.

Options:

A.

TRUE

B.

FALSE

Question 18

Statement 1: FCoE is preferred over iSCSI because it uses fiber optic cables that can be much longer than Ethernet cables.

Statement 2: FCoE is preferred over iSCSI because we do not need any Ethernet switches anymore.

Options:

A.

Statements 1 and 2 are both true.

B.

Statement 1 is true and statement 2 is false.

C.

Statement 1 is false and statement 2 is true.

D.

Both statements 1 and 2 are false.

Question 19

A device can have one WWPN but multiple WWNN's.

Options:

A.

TRUE

B.

FALSE

Question 20

Which of the following allows direct physical access to end users?

Options:

A.

Network Switch.

B.

Storage Array.

C.

Backup System.

D.

Clients.

Question 21

Description 1: The CIFS share provided by a company's storage system is a public directory and can be accessed by users with permissions.

Description 2: A company's storage system sets Homedir sharing so that different users can only access the same user name

Private directory.

Options:

A.

Description 1 is correct, description 2 is incorrect

B.

Description 1 error, description 2 error

C.

Description 1 is correct, description 2 is correct

D.

Description 1 is wrong, description 2 is correct

Question 22

Regarding the traditional model and cloud computing model, high reliability in the data center and cross-data center disaster recovery methods, the following says

What is wrong?

Options:

A.

In the traditional mode, the data center relies on component redundancy to achieve high reliability

B.

In the cloud computing mode, the data center relies on component redundancy to achieve high reliability

C.

In the traditional model, cross-data center disaster recovery is mainly based on copying business data, and the recovery process is complicated and the recovery period is long

D.

In the cloud computing mode, cross-data center disaster recovery is the replication of all data in the business data and operating environment.

Simple recovery process and short recovery period

Question 23

The following statement is wrong: (multiple choice)

Options:

A.

Backup cannot solve the recovery of data corruption

B.

backup to solve the recovery of data loss

C.

Backup cannot solve the retrieval of historical data

D.

Backup can directly take over the business

Question 24

Remote replication requires master and slave storage from the same manufacturer.

Options:

A.

TRUE

B.

FALSE

Question 25

The backup is to copy and save the data or system. Once an error or disaster occurs, these backups can be used to restore the system

Data to restore the business to a normal operating state.

Options:

A.

TRUE

B.

FALSE

Question 26

What are the common time indicators for measuring the reliability of a system? (Multiple choice)

A, reliability

B. Effective

C. Average failure time

D. Mean time between failures

Options:

Question 27

What is the role of multi-path software? (Multiple choice)

Options:

A.

Fault path switching

B.

Load balancing of IO traffic

C, fault path recovery

C.

Data recovery

Question 28

In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.

Options:

A.

TRUE

B.

FALSE

Question 29

What are the three data centers in the disaster recovery plan that 3DC refers to? (Multiple choices)

Options:

A.

Production center

B.

The same city disaster recovery center

C.

Remote disaster recovery center

D.

Data center

Question 30

The NAS engine and the storage unit are interconnected by Ethernet switches.

Options:

A.

TRUE

B.

FALSE

Question 31

Which mirroring scenarios are mainly used in HyperMirror? (Multiple choices)

Options:

A.

Mirroring of two LUNs in this array

B.

Cooperate with the heterogeneous virtualization function to realize the mirroring of the LUN of the heterogeneous array and the array

C.

Cooperate with the heterogeneous virtualization function to realize the mirroring of two heterogeneous LUNs

D.

The mirrors of the two LUNs of the volume mirror are not under the same home controller

Question 32

Which of the following three disaster recovery technologies are commonly used? (Multiple choice)

Options:

A.

Disaster recovery based on the host layer

B.

Disaster recovery based on the network layer

C.

Array-based disaster recovery

D.

Disaster recovery based on application layer

Question 33

OceanStor 5300 V3 is a dual-controller converged storage product, which must ensure the working controller and attribution control of the LUN

The controller is consistent.

Options:

A.

TRUE

B.

FALSE

Question 34

In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?

Options:

A.

The storage system can generate a snapshot in seconds

B.

The snapshot LUN cannot be mapped to the host

C.

Complete data copying is unnecessary

D.

data use mapping table lookup

Question 35

The x86 architecture is a type of data center infrastructure.

Options:

A.

TRUE

B.

FALSE

Question 36

The advantages and disadvantages of the disaster recovery technology of the host layer, network layer and array layer, the following statement is correct? (Multiple choice)

Options:

A.

For host layer disaster recovery, host layer replication will occupy certain host resources, which will affect the application system

B.

The initial construction cost of network layer disaster recovery is relatively low, and many manufacturers can provide solutions

C.

Array layer disaster recovery, the arrays at both ends must be products of the same manufacturer, unable to solve the heterogeneous problem

D.

Host layer disaster recovery is implemented on the host side, without considering the compatibility between the underlying devices

Question 37

Description 1: The LUN is composed of multiple Extents in the storage pool.

Description 2: The LUN can contain one or more types of Extent.

Options:

A.

Description 1 is correct, description 2 is correct

B.

Description 1 is correct, description 2 is incorrect

C.

Description 1 is wrong, description 2 is correct

D.

Description 1 error, description 2 error

Question 38

Regarding the new era of ICT and technology, is the following statement correct? (Multiple choices)

Options:

A.

Cloud computing (cloud computing) is an increase, use and delivery model of Internet-based related services, usually

Involves the provision of dynamically scalable and often virtualized resources via the Internet

B.

Social media (social media) is a virtual community that people use to create, share, exchange opinions, opinions and experiences

And web platform

C.

CPS (Cyber ​​Phsical System) includes ubiquitous environmental awareness in the future, embedded computing, network communication

System engineering such as Xinhe Network Control is a physical system with functions of computing, communication, precise control, remote collaboration and autonomy

D.

In the new ICT era, the migration of ICT systems from supporting systems to production systems

Question 39

The initial capacity allocation strategy of HUAWEI OceanStor storage system defaults to automatic allocation.

Options:

A.

TRUE

B.

FALSE

Question 40

Huawei focuses on IT infrastructure in the ICT field.

Options:

A.

TRUE

B.

FALSE

Question 41

Suppose, for cost control reasons, a startup company can acquire only one storage device to provide services. However, its services require high hardware reliability, so an engineer recommended a Huawei OceanStor all-flash storage system. Which statements describe the high reliability of the storage system? (Select All that Apply)

Options:

A.

It supports clusters consisting of multiple controller enclosures to improve the availability of the storage system

B.

Interconnect I/O modules shorten failover time when a controller fails to provide better reliability, as compared with common I/O modules.

C.

Standard I/O modules shorten failover time when a controller fails to provide better reliability, as compared with interconnect I/O modules.

D.

When a controller fails, l/Os of the faulty controller are redirected to another controller The host is unaware of the fault and services remain running properly.

Question 42

Which statements are true about HyperMetro? (Select All that Apply)

Options:

A.

The local and remote sites can run services at the same time

B.

A quorum server must be configured.

C.

HyperClone can be configured only for storage devices of the same model and version

D.

Automatic switchover upon storage faults is supported.

Question 43

FTP is a very secure protocol with no security risks.

Options:

A.

TRUE

B.

FALSE

Question 44

DAS is a storage architecture without scalability.

Options:

A.

TRUE

B.

FALSE

Question 45

What is required to add additional controllers to an existing HUAWEI OceanStor system?

Options:

A.

SAS cabling

B.

56 Gb Infiniband module

C.

Smart I/O card

D.

FC or iSCSI Host Bus Adapter

Question 46

Which of the following best describes the relationship between the storage and host in DAS?

Options:

A.

One-to-Many.

B.

Many to One.

C.

One-to-one

D.

Many-to-Many.

Question 47

Which ports in the FC switch can communicate with each other is determined by the zone.

Options:

A.

TRUE

B.

FALSE

Question 48

The following describes RAID 10, which are correct? (Multiple choice)

Options:

A.

RAID 10 is used in scenarios with high requirements for speed and fault tolerance

B.

RAID 10 requires at least 4 member disks

C.

In RAID 10, if two member disks in a subgroup fail, the data is read normally

D.

In RAID 10, the data is first mirrored and then striped

Question 49

Which statements are true about distributed storage? (Select All that Apply)

Options:

A.

Supports large-scale horizontal expansion

B.

Does not support elastic EC for data redundancy protection.

C.

Supports expansion by addition of nodes to increase both computing capability and storage space

D.

Supports storage resource pooling and virtualization.

Question 50

Which of the data storage types are classified based on data access frequency?

Options:

A.

Online storage

B.

Unified storage

C.

Nearline storage

D.

Offline storage

Question 51

Which of the following is the most widely used FC topologies?

Options:

A.

Point-to-Point.

B.

FC Switched Network.

C.

Arbitration Loop

D.

FC Direct Connection.

Question 52

An enterprise needs to purchase backup media for data backup. To inherit the enterprise’s original tape backup architecture and strategy, it is necessary to mention

High backup speed. What kind of backup media did this enterprise purchase?

Options:

A.

Disk array

B.

Virtual tape library

C.

tape library

D.

CD Tower

Question 53

Which of the following is incorrect regarding the differences of IP SAN and FC SAN?

Options:

A.

IP SAN uses iSCSI protocol for data transmission.

B.

IP SAN can connect to FC SAN without any additional protocols.

C.

FC SAN uses FC protocol for data transmission

D.

Both encapsulates the SCSI command with their underlying protocol before transmission

Question 54

The following two descriptions are correct:

Description 1: Synchronous remote replication, when the primary storage fails, the amount of data lost can be 0.

Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.

Options:

A.

description 1 and description 2 are correct

B.

Description 1 pair, description 2 wrong

C.

Description 1 wrong, description 2 pairs

D.

description 1 and description 2 are wrong

Question 55

When the RTO requirement is within 10 minutes, the traditional tape backup method is not recommended.

Options:

A.

TRUE

B.

FALSE

Question 56

What is the function of hot spare in storage?

Options:

A.

Additional space for usage when storage resource is low

B.

Used as cache to increase the performance of disks.

C.

Spare disk space for storing metadata

D.

Spare disk space used for disk data reconstruction when disks are faulty.

Question 57

When the RPO time requirement is at the minute level, the traditional tape backup method can be used.

Options:

A.

TRUE

B.

FALSE

Question 58

Which of these are O&M standard systems? (Select All that Apply)

Options:

A.

International Organization for Standardization 2000 (ISO2000)

B.

Institute of Electrical and Electronics Engineers (IEEE)

C.

Information Technology Infrastructure Library (ITIL)

D.

Storage Networking Industry Association (SNIA)

Question 59

Deduplication and compression can only be enabled for Thin LUNs.

Options:

A.

TRUE

B.

FALSE

Question 60

Which of the following RAID levels has the lowest hard disk space utilization?

Options:

A.

RAID 0

B.

RAID 1

C.

RAID 3

D.

RAID 5

Question 61

What is the synchronization cycle time limit for asynchronous remote replication?

Options:

A.

1s~144min

B.

3s~144min

C.

1s~300min

D.

3s~300min

Question 62

What kind of technology does the OceanStor 5300 V3 expansion controller belong to?

Options:

A.

Scale-out

B.

Scale-up

C.

Scale-in

D.

Scale-deep

Question 63

From the perspective of the cloud computing business model, Huawei network disks belong to PaaS.

Options:

A.

TRUE

B.

FALSE

Question 64

Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?

Options:

A.

About RTO, data level

B.

About RTO, data level

C.

About TCO, data level

D.

About TCO, business level

Question 65

The multipath load balancing strategy used by HUAWEI OceanStor storage products is the default?

Options:

A.

Polling

B.

Minimum queue depth

C.

the minimum task

D.

Minimum IO number

Question 66

Among the components of the mechanical disk, the parts responsible for reading and writing data are:

Options:

A.

Disc

B.

Read/write head

C.

Magnetic head arm

D.

Spindle

Question 67

Regarding the benefits and necessity of enterprises doing disaster recovery system construction, is the following statement wrong?

Options:

A.

Can avoid major losses and reduce corporate risks

B.

Comply with policies and regulations to meet industry regulatory requirements

C.

Can simplify the operation and maintenance work, avoid the impact of emergencies

D.

In areas where fewer natural disasters occur, consider reducing the disaster recovery level

Question 68

The cloudification of IT architecture is from "separation" to "convergence". What does convergence mean?

Options:

A.

Convergence of IT infrastructure

B.

Application and server integration

C.

Integration of hardware and software

D.

Multi-application sharing and open "cloud computer"

Question 69

Users of a company can automatically report the alarm of the storage device connected to it to the Huawei Service Support Center through a management software. Excuse me, what software is this user using?

Options:

A.

DeviceManager

B.

CLI management interface

C.

Toolkit

D.

eService

Question 70

When the Windows copy program copies local files to the file system, the file system block size of the HUAWEI OceanStor storage system is the default, which ensures the full use of storage space.

A, right B, wrong answer: B

The SmartCache feature in HUAWEI OceanStor series products can only improve read performance, not write performance.

Options:

A.

right

B.

FALSE

Question 71

LAN Free and Server Free are backup networking methods that have little impact on host performance.

Options:

A.

TRUE

B.

FALSE

Question 72

What is wrong with the following statement about disaster recovery drills? ,

Options:

A.

Perform exercises in accordance with the actual disaster recovery steps

B.

Familiarize yourself with the disaster recovery process through disaster recovery, and exercise business recovery capabilities for disaster

C.

Through disaster recovery exercises, the integrity of the business cannot be checked

D.

Disaster recovery exercises are verification and the most effective means to prove system availability

Question 73

The SmartTier intelligent data grading feature requires three types of hard drives in the storage pool.

Options:

A.

TRUE

B.

FALSE

Question 74

A company has sufficient client server resources, but network resources are tight. Which deduplication strategy is suitable?

A, file-level deduplication

B. Byte-level deduplication

C, source deduplication

D. Deduplication on the target side

Options:

Question 75

FCoE is a transmission protocol standard that encapsulates frames in FC in lossless Ethernet and is used to form storage networks

Network.

Options:

A.

TRUE

B.

FALSE

Question 76

In the following backup media, the order of unit capacity price from low to high is:

Options:

A.

Tape, CD/DVD, SSD, virtual tape library

B.

CD/DVD, magnetic tape, virtual tape library, SSD

C.

tape, CD/DVD, virtual tape library, SSD

D.

CD/DVD, SSD, tape, virtual tape library

Question 77

An e-commerce website usually has a relatively stable business volume, so I purchased the server and built a private cloud operation

During the Double Eleven promotion, the business volume is very large, so we rent the server from the operator's public cloud to share the festival's burden

Netherlands, this cloud computing deployment model belongs to?

Options:

A.

Public cloud

B.

Private cloud

C.

Hybrid cloud

D.

Community Cloud

Question 78

Which of the following is the correct configuration process for HUAWEI OceanStor storage system?

Options:

A.

Create storage pool -> create LUN -> add mapping

B.

Create storage pool -> add mapping -> create LUN

C.

Create LUN->Create storage pool->Add mapping

D.

Create LUN->Add Mapping->Create Storage Pool

Question 79

Which of the following is not a backup type?

Options:

A.

Full backup

B.

Cumulative incremental backup

C.

Differential incremental backup

D.

real-time backup

Question 80

In a RAID5 composed of three disks, if 10110110 and 11010011 are written simultaneously,

Two data disks with the same stripe, then 01100101 will be written to the verification disk.

Options:

A.

TRUE

B.

FALSE

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