H31-311_V2.5 Huawei HCIA-Transmission V2.5 exact Exam Questions

HCIA-Transmission V2.5

Last Update 18 hours ago Total Questions : 246

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Question # 41

Which of the following is not the advantage of WDM?

Large capacity and transparent data transfer

Easy to upgrade and maximize protection for existing investments

gold replacement for SDH equipment

Future compatible with all optical switching networks

Question # 42

In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).

MDE

DRDB

FDB0

FDB1

Question # 43

Which of the following are key technologies in a WDM system?

Light source technologies

Optical amplifier technologies

Supervisory technologies

Optical multiplexing and demultiplexing technologies

Question # 44

Transmitting test frames affects services.

TRUE

FALSE

Question # 45

Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).

The source business board sends services to the main and standby crossover boards. .

After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.

The receiving service board can only receive data from the active cross-link board

The bus of the two cross-connected modules works independently and does not interfere with each other. .

Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .

Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .

Question # 46

The device IP address of the gateway element and the non-gateway element must be set in the same network segment.

True

False

Question # 47

When using a script to back up and restore network configuration data for the U2000, you can change the directory where the export file is saved.

True

False

Question # 48

Which of the following statements about the advantages of OTN are incorrect?

WDM function is used to meet the requirements of the bait fiber Tbit/s bandwidth.

OTN provides the final five levels of nested or overlapping TCM connection monitoring.

OTN provides powerful out-of-band FEC functionality to effectively ensure line transmission performance.

0TN provides 2.7 Gbi/s, 10.7Gbt/s, 43Gbt/s and even 111.8 Gbit/s high-speed interfaces.

Question # 49

After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent. Which of the following Is the main cause?

EDfAs are used.

Multiplexers and demultiplexers are used.

Fiber attenuation is excessively high.

New types of optical fibers are not used.