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Huawei H31-311_V2.5 - HCIA-Transmission V2.5

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Total 198 questions

The dual fiber ring topology consisting of three network elements is arranged in counterclockwise order as the service between A, B and C A and C occupies the first VC-48 on the short path VC-12 time slots, B and C of the same service also occupy the 48th of the first VC-4 on the short path VC-12 time slots

A.

Unidirectional path protection ring

B.

SNCP ring

C.

Bidirectional MSP ring

D.

All of the above

When the working PQ1 board is oversized, the device will perform and the TFS protection will be reversed. Which of the following statements about the switching process are correct? (Multiple choice).

A.

cross-connect board checks the PQ1 board fault through the board status bus. .

B.

If the protection PQ1 board is normal, the cross-connection board sends a switching message to the D75S corresponding to the faulty PQ1 board through the switching control bus. .

C.

The D75S board responds to the switch message by transmitting the service to the shared protection bus and stopping sending the service to the tyrant PQ1 board

D.

The protection PQ1 board receives and processes the services transmitted from the D75S board to the protection bus to complete the protection switching

When you configure services on a per-NE basis, which of the following protection scenarios does not require subnet configuration before subsequent protection operations?

A.

MSP

B.

SNCP

C.

MSP and SNCP

D.

PSMA

Both PDH and SDH have globally harmonized standards.

A.

True

B.

False

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

A.

MDE

B.

DRDB

C.

FDB0

D.

FDB1

Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?

A.

Wavelength conversion techniques

B.

Optical release technology

C.

Multiplexing/multiplexing technique

D.

Optical supervision technology

TU-AIS is often encountered during network maintenance. Which of the following alerts can trigger a TU-AIS alert? (Multiple choice).

A.

AU-LOP

B.

R-LOS

C.

HP-TIM

D.

B2-EXC

On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time

A.

True

B.

False

Which of the following statements about the U2000 license is incorrect?

A.

Each license file corresponds to the device serial number (ESN) of one U2000 computer, so it can only be used on the corresponding computer.

B.

Official U2000 licenses vary by operating system platform. You must apply for a U2000 license based on your specific operating system. (Correct answer"

C.

The U2000 license file xxxxxxx is named .dat format

D.

Do not modify the license file. Otherwise, the license file will fail

The following is the frame structure of the STM-16?

A.

9*270*1

B.

9*270"4

C.

9*270*16

D.

9*270*64