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H31-311_V2.5 Huawei HCIA-Transmission V2.5 Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Huawei H31-311_V2.5 HCIA-Transmission V2.5 certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 198 questions

According to ITU-T's recommendations, the requirement that the MSP switching time should be within 50ms is conditional. For example, the number of net elements on the entire ring network is less than 16.

A.

True

B.

False

Which of the following bytes can be used for ordenwire calls between two REG devices?

A.

E1

B.

E2

C.

E1 and E2

D.

Not above

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

Which of the following alerts does not trigger an AU-AIS alert?

A.

R-LOS

B.

MS-AIS

C.

AU-LOP ()

D.

B2-ExC

WDM transmits optical signals multiplexed at multiple rates (wavelengths) through a single optical fiber, and the digital signals carried by these optical signals must have the same rate and data format

A.

True

B.

False

Both PDH and SDH have globally harmonized standards.

A.

True

B.

False

Which of the following statements about ODUk_PM_BDI is correct?

A.

ODUk PM signal degradation

B.

ODUk PM part BIP8 bit False threshold crossover

C.

O0UkpM follows the defect indication

D.

OD0kPM parallel connection indication

SDH signals must be scrambled before they can be transmitted over optical fibers. Which of the following bytes is not scrambled? (Multiple choice).

A.

A1

B.

A2

C.

J0

D.

J1

In the case of SNCP, the board selectively receives the service. Therefore, SNCP can protect services on the line.

A.

True

B.

False

SL64 board is available for OSN 2500.

A.

True

B.

False

QinQ technology can be used when multiple users need to share the same VCTRUK and use the same VLAN ID.

A.

True

B.

False

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

A.

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

B.

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.

C.

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

D.

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

E.

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. .

F.

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. .

What are the basic features of the U2000? Multiple Choices

A.

Security management

B.

Topology management

C.

Alarm management

D.

Performance management

Which of the following alarm/event storage modes does U2000 support? (Multiple choice).

A.

Manual dumping

B.

Automatic pouring

C.

overflow does invert ()

D.

Dump the alarm log periodically

According to the formula "ODUk rate = 239/(239k) x STM-N frame rate", ODU4 The rate is equal to the 239/235xSTM-N Pa rate.

A.

True

B.

False

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

A.

True

B.

False

Which of the following methods can be used to multiplex low-order ODUK to higher-order ODUk?

A.

Time-division multiplexing

B.

Wavelength division multiplexing

C.

Null division multiplexing

D.

Frequency division multiplexing

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

Which of the following maintenance signals is transmitted from the downstream site to the upstream site of the OTN?

A.

ATS

B.

LCK

C.

IAE

D.

BDI

Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).

A.

HWECC

B.

TCP/IP

C.

FTP

D.

OSl

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Total 198 questions
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