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Huawei H35-210_V2.5 Dumps

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Total 299 questions

HCIA-Access V2.5 Exam Questions and Answers

Question 1

MA5600 supports ADSL2+, which of the following descriptions about ADSL2+ is incorrect?

Options:

A.

The maximum downlink speed is 24Mbit/s

B.

The farthest reachable distance is 6.5km

C.

Use high frequency bands, sub-channels (32-511) and sub-channels above 512.

D.

The spectrum bandwidth is 1.104MHz

Question 2

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 3

Is the following description correct? EPON data packets are variable length. The GPON downstream frame is of fixed length.

Options:

A.

True

B.

False

Question 4

Is the following description correct? In EPON, when the fiber length under the PON port is 10KM, the recommended splitting ratio is 1:32; when the fiber length is 20KM, the recommended splitting ratio is 1:16.

Options:

A.

True

B.

False

Question 5

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 6

Which of the following methods can be used for the reset test of the MA5600T/MA5680T single board?

Options:

A.

Hot-swappable the board, check whether the board can be restored to normal after reset

B.

Press the RESET button on the handle bar of the main control board to forcibly reset the main control board. Observe whether the main control board can return to normal after resetting.

C.

Use the command board reset to reset the service board. Check whether the service board can be restored to normal after resetting.

D.

All of the above

Question 7

QA engineers start the SmartKit NSE2700 Quality Inspector tool, which of the following methods can be supported to connect devices?

Options:

A.

Telnet method

B.

SSH way

C.

Multi-hop method

D.

Serial port mode

Question 8

Is the following description correct? The ADSL port can only allow further operations on the port after unblocking the port.

Options:

A.

True

B.

False

Question 9

MA5600T/MA5680T GE/FE optical interface board H802OPGD provides Ethernet optical access function. How many GE/FE P2P accesses can be supported at most?

Options:

A.

8

B.

16

C.

32

D.

48

Question 10

Is the following description correct? The MA5612 provides a serial port. During the normal operation of the device, this port supports the external connection of the CONSOLE and ETH integrated interface cable, and is used as a maintenance serial port and a maintenance network port at the same time.

Options:

A.

True

B.

False

Question 11

Is the following description correct? Before the upgrade operation, you need to stop the automatic saving function of the system through a command to avoid conflict between the upgrade operation and the automatic saving operation, which may cause the upgrade to fail.

Options:

A.

True

B.

False

Question 12

In the GPON network, which of the following statements is incorrect?

Options:

A.

Each T-CONT is composed of one or more GEM Ports, and each GEM Port carries a service flow. A T-CONT can carry data streams of one or more types of services.

B.

Each GEM Port is identified by a unique Port-ID. The Port-ID ranges from 0 to 4095 and is globally assigned by the OLT. That is, each ONU/ONT under the OLT cannot use GEMs with repeated Port-IDs. Port.

C.

GEM Port identifies the service virtual channel between the OLT and ONU/ONT, that is, the channel that carries the service flow, similar to the VPI/VCI identification in the ATM virtual connection.

D.

Each GPON port supports up to 32 ONU/ONT

Question 13

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 14

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 15

Is the following description correct? In the routing table entries, for the same destination address and mask (Destination/Mask), can only correspond to the only next hop and outgoing interface(Nexthop/Interface).

Options:

A.

True

B.

False

Question 16

Is the following description correct? MA5616 only supports DC power supply.

Options:

A.

True

B.

False

Question 17

What message does the H.248 media gateway send to the MGC for registration?

Options:

A.

Add

B.

RSIP

C.

SVC_CHG_REQ

D.

Notify

Question 18

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

Options:

A.

True

B.

False

Question 19

Is the following description correct? In the EPON 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 20

When the UA5000 is configured with the H.248 protocol to connect to the softswitch, which of the following parameters must be consistent at both ends?

Options:

A.

Transport layer protocol type

B.

Transport layer protocol port number

C.

Coding method

D.

MG interface description information

Question 21

Is the following description correct? The link layer defines electrical and mechanical processes and functions to activate, maintain, and remove lines when the systems at both ends are connected.

Options:

A.

True

B.

False

Question 22

Two-stage optical splitter is connected to the PON, the first-stage is 1:2, the second-stage optical splitter is 1:16, what is the total splitting ratio?

Options:

A.

1:2

B.

1:16

C.

1:18

D.

1:32

Question 23

The monitoring of environmental quantities refers to the monitoring of some environmental factors that may cause equipment damage, malfunctions, etc. Which of the following is not the subject of environmental monitoring?

Options:

A.

Temperature

B.

Humidity

C.

Flooding

D.

Board status

Question 24

Is the following description correct? The alarm levels of the MA5600T can be divided into five levels: critical, major, minor, warning, and cleared.

Options:

A.

True

B.

False

Question 25

Is the following description correct? Triple Play refers to the simultaneous provision of multiple different service access methods on one subscriber line.

Options:

A.

True

B.

False

Question 26

The MA5600 main control board (SCU) restarts repeatedly. What are the reasons why it is impossible?

Options:

A.

Main control board host software problem

B.

Incorrect data configuration

C.

User ring network problem

D.

The main control board component is damaged

Question 27

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 28

Is the following description correct? The larger the return loss, the better. In general, the return loss of APC is greater than that of PC type connectors.

Options:

A.

True

B.

False

Question 29

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 30

Is the following description correct? MA5612 supports RF (Radio Frequency) over PON service access.

Options:

A.

True

B.

False

Question 31

command... What is the correct description of the three points in ./.profile?

Options:

A.

The first point. Means execution, same as sh

B.

The second point. Connected to the back /, ./ indicates the current directory

C.

The third point. Connected to the previous /, which means the root directory

D.

The third point. Before profile, the entire .profile is a file name, which means a hidden file

Question 32

When the MA5600 service box provides pure broadband service, how many slots can be inserted into the service board?

Options:

A.

12

B.

14

C.

16

D.

18

Question 33

Is the following description correct? When negotiating the project acceptance test items with the customer, it is recommended to submit the product-related product acceptance manual directly to the customer, so that the customer can choose the test item by himself.

Options:

A.

True

B.

False

Question 34

Compared with the template mode, when the MA5600T configures FTTH services in a simplified manner, which of the following steps does not require configuration?

Options:

A.

Configure traffic template

B.

Configure the DBA template

C.

Configure the line template

D.

Configure business templates

Question 35

Which of the following statements about ONT tcont is incorrect?

Options:

A.

One ONU/ONT can contain multiple T-CONTs

B.

tcont 1 generally carries OMCI channels

C.

Uplink bandwidth is divided based on T-CONT, and different services use different T-CONTs

D.

The GEM port is used as a service channel. A GEM port can carry one or more services in the flow

Question 36

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 37

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 38

Which of the following is not an ONT product?

Options:

A.

HG510V

B.

HG8010

C.

HG8245

D.

HG8247

Question 39

When the MA5600T/MA5603T equipment needs to be maintained and managed locally, the baud rate setting of the maintenance terminal's hyperterminal must be consistent with the serial port baud rate parameters of the MA5600T/MA5603T system. What is the system default serial port baud rate?

Options:

A.

9600bit/s

B.

19200bit/s

C.

38400bit/s

D.

115200bit/s

Question 40

In the Solaris 10 operating system, when only ordinary users can ftp to the network management server, which file should be modified so that the root user can also remotely ftp to the server?

Options:

A.

/etc/ftpusers

B.

/etc/services

C.

/etc/system

D.

/etc/defaultrouter

Question 41

In the template mode of MA5680T, where is the configuration of tcont and gemport integrated?

Options:

A.

ont-srvprofile

B.

ont-lineprofile

C.

ont-profile

D.

dba-profile

Question 42

ODN link total loss includes which of the following aspects?

Options:

A.

Splitter loss

B.

Splicing and cold splicing loss

C.

Connector, adapter (flange) loss

D.

Optical fiber transmission loss

Question 43

Is the following description correct? When the MA5600T MG interface communicates with the MGC through the H.248 protocol, the H.248 protocol version configuration that the MG interface starts to negotiate may be inconsistent with the MGC side.

Options:

A.

True

B.

False

Question 44

Is the following description correct? The computer in the local area network judges whether the received broadcast frame is what it should receive is to judge the source of the frameMACIs the address the same as the hardware address of the machine .

Options:

A.

True

B.

False

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Total 299 questions