Huawei h31-311-v2-5 practice test

Exam Title: HCIA-Transmission V2.5

Last update: Nov 27 ,2025
Question 1

When configuring the SXCS single board for the OSN3500, which of the following is the access
package of the fully configured substand?

  • A. 35G B.58.75G
  • C. 80G
  • D. 156 to pick up the answer
Answer:

D

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A
C
D
A 0 C 0 D 0
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Question 2

When configuring LMSP, there are two switching modes: single-ended switching and double-ended
switching. Single-ended switching does not require the protection protocol to be enabled.

  • A. True
  • B. False
Answer:

A

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A
B
A 0 B 0
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Question 3

Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?

  • A. n represents the number of wavelengths carried by the maximum capacity
  • B. m indicates the rate. The value can be 1, 2, or 3. .
  • C. r represents OTM., which does not have OSC capabilities
  • D. OTM-nr .m with OSC signal is OTM-n.m.
Answer:

B

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A
B
C
D
A 0 B 0 C 0 D 0
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Question 4

Which of the following statements regarding multiplexing partial remote False indication (MS-REI) is
correct?
(1) B2 bytes indicate the transmission channel.
(2) The M1 byte represents the transmission channel
(3) THE MS-REl is sent from the receiver to the source.
(4) MS-REI is transmitted from the source to the receiver.
(5) Indicates the number of bit Falses detected by the receiver after receiving the MS signal.
①④⑤
②④⑤
A.
①③⑤
B.
C.
D. (2) (3) (5)

Answer:

D

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Question 5

Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current
frame?

  • A. Current framework
  • B. Next frame
  • C. Previous frame
  • D. None of the above
Answer:

B

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A
B
C
D
A 0 B 0 C 0 D 0
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Question 6

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

  • A. True
  • B. False
Answer:

A

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A
B
A 0 B 0
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Question 7

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. .
Answer:

A, D, E, F

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A
B
C
D
E
F
A 0 B 0 C 0 D 0 E 0 F 0
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Question 8

In WDM systems, it is ideal to use a dielectric thin problem filter (TFF) when using less than ()
wavelengths.

  • A. 4
  • B. 8
  • C. 16
  • D. 20
Answer:

C

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A
B
C
D
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Question 9

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
Answer:

B

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B
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Question 10

Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional services can only be configured for the
protection channel in 1:1 mode of the LMSP.

  • A. True
  • B. False
Answer:

A

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A
B
A 0 B 0
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