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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.

Page: 4 / 4
Total 246 questions

An unprotected chain consists of four net elements; ME1, NE2, NE3 and NE4.

Create an end-to-end VC4 path NE1-NE4 and add NE5 between NE2 and NE3 for capacity expansion.

The original configuration remains unchanged and no services are configured on the NE5.

In this case, the unprotected chain becomes NE1-NE2-NE5NE3-NE4, how many VC4 paths can be searched?

A.

0

B.

1

C.

2

D.

3

When performing fiber cut-off test on an ordinary MSP ring, which of the following alarms will be reported? (Multiple choice).

A.

YOU-AIS

B.

R-LOS

C.

APSJNDl

D.

BD

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

A.

True

B.

False

STM-64 has an () AU pointer.

A.

64

B.

1

C.

4

D.

16

When the SNCP ring consisting of four Optis OSN 2500 devices has a rate of 25 Gbt/s, the network's service answer stars can carry up to ()2Mt/s Signal.

A.

504

B.

1008

C.

2016

D.

4032

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

A.

R-LOS

B.

MS-AIS

C.

AU-LOP

D.

B2-ExC

Are the following statements regarding the definition of SDH correct?

A.

hierarchy that can be used for asynchronous digital transfers

B.

A hierarchy of standardized digital signals that can be asynchronously reused

C.

A hierarchy of standardized digital signals that can be cross-connected asynchronously

D.

Complete hierarchy of standard mathematical signals, providing simultaneous digital transmission multiplexing and cross-connectivity

When an OTU board works with an OLP board, the optical power difference cannot be used as a trigger condition for intra-board 1+1 protection switching.

A.

TRUE

B.

FALSE

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

Which of the following is the configuration mode for the new NE?( Multiple choices).

A.

Manual configuration

B.

Upload

C.

Download

D.

Copy NE data

Which of the following is the meaning of SFD in the Ethernet frame structure?

A.

Preamble

B.

Frame check sequence

C.

start frame delimiter

D.

Payload

When a bit False is detected in B2 bytes, which of the following alarms is reported by the peer?

A.

MS-AIS

B.

RS-BBE。

C.

MS-FEBBE

D.

MS-BBE

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

Page: 4 / 4
Total 246 questions
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