Huawei H31-341_V2.5-ENU Exam Questions for Better HCIP-Transmission V2.5 Exam Preparation

Huawei HCIP-Transmission V2.5 is the new version currently, to meet all the candidates’ requirements, we have completed the Huawei H31-341_V3.5-ENU exam questions with accurate answers for better HCIP-Transmission V2.5 exam preparation.

Huawei H31-341_V2.5-ENU exam questions of HCDAtest are available for candidates containing 1061 questions and answers. You can download the H31-341_V2.5-ENU exam questions to make preparation. We have free Huawei H31-341_V2.5-ENU demo questions online for checking. If have any questions, please contact us via mail: [email protected].

Begin to Test:

1. Regarding the description of OSS, which is wrong?

The network layer of the OSS is above the NMS, and the management of network element devices is generally implemented through the NMS.

The OSS system is mainly used to improve the work efficiency of equipment maintenance personnel

OSS system (Operation Support System) refers to a software system that provides operators with functions such as communication equipment performance management, inventory management, business management, and fault management.

The U2000 supports multiple northbound interfaces such as SNMP, TL1, XML, and DCORBA, which can realize rapid integration with the operator's OSS system.

Question 1 of 33

2. In NG-SDH equipment, which of the following conditions will not cause TPS switching to occur?

3.3V power supply undervoltage

Abnormal 58M crystal oscillator

Abnormal chip (SD538, SA527, CPLD)

Report T_LOSEX on the working branch board

Question 2 of 33

3. Regarding the reporting of the OTUk_BDI alarm, which of the following statements is wrong?

Only the port on the WDM side will report oTUk_BDI

The downstream station receives the OTUk_AIS corresponding to the OTU board

The downstream station corresponding to the OTU board receives the OTUk_TIM

The downstream station receives the OTUk_SSF corresponding to the OTU board

Question 3 of 33

4. Which of the following descriptions about the client-side 1+1 protection features is wrong?

OTU client optical layer dual transmission and selective reception

Protect the OTU single board and OCh optical fiber by occupying and protecting two wavelengths and using different routes for transmission

The working and protection wavelengths must be the same

Long application time and wide protection range

Question 4 of 33

5. The gain of the OAU single board is 23db, and 1% of the total output power of the OAU single board is used for MON detection. Now the output optical power of the MON port is tested to be - 8dbm, and the input optical power of the IN port of the OAU single board is?

-11dbm

-13dbm

-15dbm

-21dbm

Question 5 of 33

6. The clock ID can solve the possible timing loop problem. In the following networking, in order to completely solve the clock loop, how many clock IDs need to be set in total?

Question 6 of 33

7. When configuring the dual-stage amplifier board of RAU+OAU, which position in the figure below is the best recommended position for the DCM module?

Question 7 of 33

8. OptiX OSN 1800 is a compact multi-service optical transmission platform. Which of the following descriptions is wrong?

Does not support 158802 transmission, does not support external time signal access

The maximum rate of single channel is 10 Gbit/s (OTU2)

The OptiXOSN 18001 box provides a total of 4 service board slots

The OptiX OSN 180011 box provides a total of 8 service board slots

Question 8 of 33

9. In the process of equipment installation, which of the following statements are wrong?

Wear anti-static gloves or an anti-static wrist strap before touching the device, holding the plug-in board, single board, ICA chip, etc.

Inside the cabinet, the binding interval of the cable buckle/fiber binding band of the optical fiber shall not exceed 250mm, and the binding interval of the cable buckle of the user cable shall not exceed 200mm

In order to dissipate heat, the empty slots on the network element do not need to be inserted with filler panels

When plugging and unplugging a single board with connecting cables or pigtails on the panel, unplug the connecting cables or pigtails first, and then plug in and out

Question 9 of 33

10. Regarding the TTX board, which of the following statements is correct?

In essence, the TTX board is not a 100G tributary board, but it requires a single-slot 100G crossover capacity

8800 T64/T32 universal subrack can support TTX single board

This board belongs to the tributary board and can access 100G client-side services

TTX can do ODU4 particle electrical crossover with NS4

Question 10 of 33

11. For NG-SDH equipment equipped with dual main control boards, when the main control board is upgraded, which of the following statements is correct?

After upgrading the standby main control board first, the upgrade of the original active main control board can be completed as long as the main control board is switched through A.

Upgrade the active main control board first, and then upgrade the standby main control board

Complete the upgrade of the standby main control board first, then perform a hard reset on the current active main control board to make it active and standby switchover, and then upgrade the current active main control board

First upgrade the active main control board and then upgrade the standby main control board in the same way

Question 11 of 33

12. After which of the following steps, the rollback operation cannot be performed?

load

to distribute

to activate

Submit

Question 12 of 33

13. In the path search process of the U2000 network management, the path search management module first scans the cross-connections of each network element, constructs sub-paths according to the cross-connections of adjacent network elements, and tries to merge these sub-paths at the same time. Which of the following sub-paths is legal?

Subpaths form a loop

The path does not pass through the fiber

The original destination is not the end point of the subpath or the optical port of the subnet

The sub-path terminates on the pre-configured network element

Question 13 of 33

14. Which of the following statements about the main and backup channels of optical line protection is wrong?

"Initial Difference Between Active and Standby Channels (dB)"—the reference value used to set the optical power difference between the active and standby channels of the board.

"Master-standby channel difference threshold (dB)" - used to set the difference between the main and standby optical ports of the board when the optical power difference reaches a certain value, it will be regarded as a signal failure (SF).

When the difference in the optical power of the full backup exceeds the threshold, the optical switch will switch the service to the backup channel, and the set value supports query. Recommended setting is 5dB.

If the current optical power difference between the active and standby channels exceeds the "main and standby channel difference threshold (dB)", the system will initiate protection switching.

Question 14 of 33

15. During the U2000 dual-system installation and commissioning, the operations that can be performed by the ossuser user are?

When you forget the password or the password expires and you cannot log in to dbuser, you can log in to the operating system as the ossuser user, and use "#passwd dbuser" in the terminal to change the password

When the U2000License file is modified to the DOS format, you can log in as the ossuser user. B executes the dos2unix command to convert the U2000License file format from the DOS format to the UNX format.

Modify the password of the admin user who logs in to the vcs client

On the Solaris or SUSE Unix platform, if you cannot log in to the graphical desktop, you can log in as the ossuser user and use the command line to restore the binary mode database

Question 15 of 33

16. Which reason for the OA_LOW_GAIN alarm is wrong?

The input optical power of the board is too high

The insertion loss between the TDC and RDC optical ports is too large (only for the OAU board)

The board that reported this alarm is faulty

The gain of the optical amplifier board is set too low

Question 16 of 33

17. Reasons which is impossible for OTN equipment and network elements to be disconnected frequently?

When using optical monitoring, the DCC mode setting is wrong

Using electrical monitoring, the line quality is not good

NE ID conflict

Users of the same network element log in to the network element at the same time

Question 17 of 33

18. Which of the following protections in microwave equipment does not require dual slots?

HSB

SD+FD

Question 18 of 33

19. Which of the following is the performance related to SM segment error?

OTUk_BBE

OTUk_SM_FEBBE

OTUk_SM_FEES

OTUk_PM_BBE

Question 19 of 33

20. Which of the following description of the 100G mixed transmission system is wrong?

Coherent and non-coherent signals (10G and 40G ODB will affect each other, resulting in a sharp drop in performance, and isolation bands are necessary)

40G DQPSK and coherent signals will not affect each other without isolation band

10G starts from a short wavelength, and the isolation band can be filled with 40G DQPSK wavelength

The cost of mixed transmission is related to the number of transmission spans and the width of the isolation bandwidth, and has nothing to do with the FEC encoding method

Question 20 of 33

21. In the network management planning process, which item is not absolutely necessary?

Network scale planning, network management deployment planning

DON network planning, OSS docking planning

Network parameter planning and reliability planning of the network management server

Network management software and hardware configuration

Question 21 of 33

22. When congestion occurs, queuing strategies can be varied. If you need to get services for the first arriving packets, you can use the () queuing strategy; if you want to ensure that the most urgent and critical business is served first, you can use the () queuing strategy: if you need to balance the delay and delay jitter of each flow, you can choose () queuing strategy; if you want to provide professional bandwidth for specific services, you can choose () queuing strategy.

FIFO, PQ, WFQ, CQ

F1FO, CQ, PQ, WFQ

WFQ, PQ, CQ, FIFO

PQ, FIFO, WFQ, CQ

Question 22 of 33

23. When using the dual slot line group MSP ring, which of the following situations is the multiplex section overhead K bytes in the pass-through state?

The cross board is abnormal

The main control board is abnormal

The main control board is not in place

When the status of the multiplex section protocol controller is pass-through

Question 23 of 33

24. Which of the following statements about the delay test is wrong?

The delay is divided into the delay of the store-and-forward device and the delay of the bit-forward device. Huawei devices are all store-and-forward devices

The timing starts from the entry of the first bit of the data frame, and ends when the first bit of the data frame appears on the output terminal P. The time difference between the two is the delay of the bit forwarding device

During the delay test, the frame rate can be greater than the throughput

Question 24 of 33

25. Which of the following commissioning ranges should the optical power of each single wave before combining (that is, the input optical power of the combining board) be within?

Average single-wave optical power- 2dB

Average single-wave optical power- 1dB

Average single-wave optical power- 2dB < single-wave optical power

Question 25 of 33

26. Which of the following descriptions about optical line protection is wrong?

Optical line protection is double-ended switching. In the case of a single optical fiber interruption, there will be no inconsistency in sending and receiving routes.

Use the OLP board to configure optical line protection. The RI1/T01 optical port of the 0LP board must be working, and the RI2/T02 optical port must be protection.

OLP board switching is only related to the received optical power

When protecting optical lines, use the dual-feed and selective-receiving function of the OLP single board to protect the line fibers between adjacent sites using separate routes

Question 26 of 33

27. Which of the following services has the smallest frame period?

ODU1

ODU0

ODU2

ODU3

Question 27 of 33

28. In a chain network, NE1, NE2, and NE3 are all OADM sites, and NE1 is a gateway network element, and uses OSC communication. When the optical monitoring board at the intermediate site NE2 fails, which of the following phenomena will not occur?

The optical monitoring signal between NE1 and NE3 is interrupted

The monitoring board in NE2 reports the BD_STAIUS alarm

The OSC_LOS alarm is reported on the monitoring boards in NE1 and NE3

Service interruption between NE1 and NE3

Question 28 of 33

29. When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?

1 to 1 encapsulation

CESOPSN

N to 1 encapsulation

SAToP

Question 29 of 33

30. Which of the following descriptions about electrical layer scheduling is wrong?

Inter-board cross-connect refers to the cross-connect configured between different boards. Inter-board cross-connection dispatches ODUk services between boards in a subrack through the backplane and centralized cross-connection boards.

Intra-board cross-connect refers to the cross-connect configured between different ports on the same board.

TTA and TDC boards support aggregation mode and non-aggregation mode.

In the aggregation mode application scenario, it is necessary to cross within the board first, and then cross between boards.

All cross-connects need to be configured on the network management system.

Question 30 of 33

31. If only all network elements in a certain subnet are out of management on the network management system, and network elements belonging to other subnets communicate normally, which of the following reasons is impossible?

Changing the IP address of the gateway NE by mistake

NMS network management failure

Misconnection or failure of optical fiber

The network scale is too large, and the scale of ECC communication between network elements exceeds the processing capacity of network elements

Question 31 of 33

32. In the troubleshooting scenario, which of the following descriptions about the alarms reported when the optical monitoring board receives abnormal light is correct?

MUT_LOS

OSC_LOS

R_LOF

R_LOS

Question 32 of 33

33. In the deployment or expansion scenario, alarm reversal can reverse the alarm state and reduce a large number of unnecessary alarm reports. Which of the following descriptions about alarm reversal is correct?

The setting of alarm reversal is based on the channel

The setting of alarm reversal is based on the network element

The setting of alarm reversal is port-based

The setting of alarm reversal is based on the board

Question 33 of 33

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Huawei H31-341_V2.5-ENU Exam Questions for Better HCIP-Transmission V2.5 Exam Preparation

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