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Huawei H35-210_V2.5 HCIA-Access V2.5 Exam Exam Practice Test

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Total 299 questions

HCIA-Access V2.5 Exam Questions and Answers

Question 1

The OLT needs to classify the service flow before performing flow scheduling. Which of the following options are usually used as the means for MA5680T to perform traffic classification?

Options:

A.

The cos field of 802.1P

B.

Tos field of IP packet

C.

DSCP field of IP packet

D.

EXP field of MPLS packet

Question 2

Is the following description correct? When classifying the acceptance test items, the basic package is used to ensure the normal operation of the basic services and functions of the equipment and the network, and only simple or cheap instruments are needed to satisfy the acceptance test items.

Options:

A.

True

B.

False

Question 3

MA5600T provides various networking protection functions. Which of the following protection features is usually used for upstream port protection?

Options:

A.

Ethernet link aggregation

B.

Smart Link and Monitor Link features

C.

GPON Type B protection

D.

GPON Type C protection

Question 4

When MA5600T is newly launched and connected to the network management system, which of the following descriptions are correct?

Options:

A.

The interface IP address of the MA5600T used for management must be in the same network segment as the network management IP address

B.

The configuration of the SNMP version should be the same as the configuration on the U2000 side

C.

The configuration of read community name and write community name is the same as that on the network management side.

D.

Add a static route, the destination address is the network segment where the network management IP is located

Question 5

When performing FTTx networking and data planning, user security needs to be considered. Which of the following measures can prevent attacks between users?

Options:

A.

Use anti-mac to solve

B.

Defense IP spoofing

C.

Layer 2 isolation and controlled mutual access of users

D.

Use port physical information to identify users

Question 6

Is the following description correct? The devices in the ODN network need power supply to work.

Options:

A.

True

B.

False

Question 7

MA5600T/MA5680T system defaults to a super user level user, which cannot be added or deleted. What is the default super user name/password of the system?

Options:

A.

root/root

B.

root/admin

C.

admin/admin

D.

admin/root

Question 8

HG8245 product can be used in which of the following scenarios?

Options:

A.

Outdoor type

B.

Home user type

C.

SBU business user type

D.

MINI-DSLAM

Question 9

Which of the following modules is not a functional module of the MA5600 SCU main control board?

Options:

A.

CPU module

B.

Ethernet switch module

C.

Clock module

D.

Separator module

Question 10

Which of the following products are not part of the ONU series?

Options:

A.

MA5612

B.

MA5652G

C.

HG8247

D.

MA5600T

Question 11

Is the following description correct? TTLMainly to preventIPThe cyclic forwarding of packets in the network wastes network bandwidth.

Options:

A.

True

B.

False

Question 12

In the GPON network, what will happen to the ONT's long light emission?

Options:

A.

All business is normal, no impact

B.

Other ONTs under the same PON port are disconnected

C.

Other ONTs under the entire OLT are disconnected

D.

All of the above are possible

Question 13

What is the maximum splitting ratio supported by the MA5680T GPBC board?

Options:

A.

1:32

B.

1:64

C.

1:128

D.

1:16

Question 14

Is the following description correct? In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.

Options:

A.

True

B.

False

Question 15

Which of the following boards does not belong to the narrowband service board of the UA5000?

Options:

A.

A32

B.

A64

C.

DSLD

D.

ADRI

Question 16

Regarding the use of ADSL interleaving mode, which of the following statements is correct?

Options:

A.

Increased stability and long delay

B.

Increased stability and short delay

C.

Poor stability and long delay

D.

Poor stability and short delay

Question 17

According to the H.248 protocol, what is the type of terminal occupied when the telephone terminal is off-hook?

Options:

A.

Semi-permanent terminal

B.

Persistent Terminal

C.

Permanent terminal

D.

Temporary terminal

Question 18

By default, which of the following types is the queue scheduling mode on the OLT?

Options:

A.

WRR

B.

PQ

C.

WFQ

D.

CQ

Question 19

Is the following description correct? When the MA5680T is configured with multicast services, the unicast VLAN carrying the multicast services must be consistent with the multicast VLAN.

Options:

A.

True

B.

False

Question 20

What are the equipment maintenance methods currently not supported by MA5600T?

Options:

A.

Serial port

B.

TELNET

C.

SNMP

D.

WEB

Question 21

Which of the following access network products can provide ADSL access methods?

Options:

A.

MA5100

B.

MA5300

C.

MA5600

D.

UA5000

Question 22

Is the following description correct? The traffic-table on the OLT can not only set traffic speed limit parameters, but also support setting priority policies.

Options:

A.

True

B.

False

Question 23

Which is the default read community and write community of SNMP V2?

Options:

A.

read,write

B.

public,private

C.

pub,pri

D.

common, secret

Question 24

What are the maximum splitting ratios supported by MA5680T H801GPBC and H802GPBD?

Options:

A.

1: 32, 1: 64

B.

1: 64, 1: 64

C.

1: 64, 1: 128

D.

1:28, 1:128

Question 25

Regarding the UA5000 IPMB single board, which one of the following descriptions is wrong?

Options:

A.

IPMB is an IP service processing board, used to converge and process broadband services

B.

8 GE optical ports can be provided as uplink ports

C.

Forward PVMB's VoIP service, and realize IP uplink through FE/GE electrical port or GE optical port.

D.

Support main/standby switchover

Question 26

Which of the following statements is correct?

Options:

A.

LAN Switch is mainly to find the corresponding IP address according to the MAC address of the data packet to realize the forwarding of the data packet.

B.

The LAN Switch may not recognize the MAC address, but must recognize the IP address.

C.

Compared with shared Hub, a port of LAN Switch can be said to be a separate conflict domain.

D.

When the LAN Switch receives a data packet containing an unrecognized MAC address, it sends the data packet directly back from the received port.

Question 27

What are the incorrect statements about Type B protection for GPON networks?

Options:

A.

Protection based on PON port and backbone fiber

B.

Service configuration data only needs to be configured to the main port, no need to configure two copies

C.

Support OLT inter-board and intra-board port combination protection pair

D.

Switching trigger conditions: 1) branch fiber failure, 2) OLT single board failure, 3) component failure

Question 28

At a certain UA5000 site, due to resource constraints, the entire frame of ADSL users need to pass a VLAN upstream to the IP network. At this time, why should the upstream VLAN in the IPM board be defined?

Options:

A.

standard vlan;

B.

smart vlan;

C.

mux vlan;

D.

super vlan

Question 29

Regarding the ATM network, which one of the following descriptions is wrong?

Options:

A.

Support fixed-length exchange

B.

Working in the network layer of the OSI model

C.

Reduce the processing time of intermediate nodes and support high-speed transmission

D.

Can guarantee the quality of service performance index (QOS) of various businesses

Question 30

When testing the average transmit optical power of an optical interface, which of the following descriptions are incorrect?

Options:

A.

The optical fiber connector and the optical connector on the optical interface board panel are clean and well connected

B.

The optical power meter is calibrated

C.

Connect one end of the test pigtail of the optical power meter to the "Rx" port of the optical interface board, and connect the other end of the pigtail to the optical power meter.

D.

Repeat several times to check whether the maximum and minimum measured average transmit optical power meet the technical requirements.

Question 31

Is the following description correct? ONT call emulation refers to the use of the ONT test module to replace the user's phone for call test. When ONT POTS users cannot provide voice services, remotely execute an ONT call simulation test through the OLT command line to help users diagnose whether the ONT's POTS user calls are normal. ONT can be offline during ONT call simulation

Options:

Question 32

MA5600 system comes with 4 default ADSL line templates, which of the following templates are provided when the system leaves the factory?

Options:

A.

1

B.

2

C.

1001

D.

1002

Question 33

Which of the following products does not belong to MDU?

Options:

A.

MA5616

B.

MA5612

C.

MA5620G

D.

MA5600T

Question 34

Which of the following is not part of the FTTH ODN network?

Options:

A.

Splitter

B.

ODF

C.

Fiber distribution box (FAT)

D.

ONU

Question 35

Regarding EPON, which of the following descriptions is incorrect?

Options:

A.

The EPON standard is one of many TDM-PON standards and has the basic characteristics of a TDM-PON network: a tree topology network is composed of OLT, ONU and ODN (Optical Distribution Network).

B.

In the logical topology, the EPON protocol establishes a logical link for the OLT to each ONU, and the leading byte of the Ethernet data frame carries the logical link identity, that is, LLID (Logical Link Identity).

C.

The downstream data stream from the OLT to the ONU is encapsulated as an Ethernet message, and the corresponding LLID is attached and sent in the tree PON network. The optical splitter in the ODN broadcasts the data stream to each branch, and all ONUs can receive the downlink Ethernet data frame, and selectively receive their own data according to the LLID.

D.

In the upstream direction from the ONU to the OLT, each ONU uses the broadcast mode to share the upstream bandwidth.

Question 36

What remote acceptance functions can MA5600T/MA5680T provide?

Options:

A.

PPPOE simulation test

B.

DHCP simulation test

C.

Voice call simulation test

D.

BTV simulation test

Question 37

After the hardware installation is completed, what checks are required?

Options:

A.

The appearance of the cabinet is clean, without deformation, paint peeling and rust

B.

There is no debris in the cabinet, and the screws should be tightened. The parts in the cabinet must not rust. Dust filter installed

C.

The power cord is connected correctly and the cabinet should be grounded

D.

The cabinet door, side baffle plate and the main body are connected with ground wire, and the cabinet door opens and closes smoothly.

Question 38

Regarding the description of UA5000, which of the following statements is wrong?

Options:

A.

UA5000 adopts the same hardware platform and supports the integration of PSTN, NGN, IMS and FTTx.

B.

UA5000 supports various traditional private line services under TDM/PSTN.

C.

UA5000 supports ADSL2+ service access.

D.

The UA5000 does not support VDSL2 service access temporarily.

Question 39

During the configuration of the EPON PPPoE service, what templates need to be configured to increase the MDU?

Options:

A.

System parameter template

B.

Traffic template

C.

Route template

D.

DBA template

Question 40

Which of the following commands is used to query whether all the boards in the MA5600T/MA5680T 0 frame are operating normally?

Options:

A.

display board 0

B.

display frame info 0

C.

display board info 0

D.

display frame info 0/0

Question 41

When the MA5600T configures the multicast service, which of the following options must be configured, otherwise the multicast program may not be able to be viewed?

Options:

A.

igmp user

B.

igmp program

C.

igmp profile

D.

Multicast VLAN

Question 42

Which of the following are the most common services that belong to triple play access?

Options:

A.

Internet access business

B.

VoIP business

C.

IPTV business

D.

Dedicated line business

Question 43

In Ethernet, what address is used to distinguish different devices?

Options:

A.

LLCaddress

B.

MACaddress

C.

IPaddress

D.

IPXaddress

Question 44

The UA5000 narrowband main control board PVM and the broadband main control board IPM are jointly networked and provide voice services and broadband services at the same time. The voice services are transmitted to the IPM single board through the internal IP channel, and then transmitted by the upstream interface of the IPM single board To the upper network, which command should be used to configure the system networking mode at this time?

Options:

A.

uplink tps on

B.

uplink tps off

C.

working mode integrated

D.

working mode alone

Page: 1 / 30
Total 299 questions