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Free Huawei H31-311_V2.5 Practice Exam with Questions & Answers | Set: 2

Questions 11

Which of the following is the maximum number of OSN3500 sub-racks that can be installed in a 2.2-meter cabinet?

Options:
A.

1

B.

2

C.

3

D.

4

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Questions 12

For 100G (112Gbit/s) signals, the actual data baud rate is only 28G amplitude.

Options:
A.

True

B.

False

Questions 13

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

Options:
A.

MDE

B.

DRDB

C.

FDB0

D.

FDB1

Questions 14

Which of the following is the feature of TCM overhead in ODUk signals?

Options:
A.

Channel oversight fees

B.

Path trace identifier overhead

C.

In-line connection monitoring overhead

D.

General communications and communication overhead

Questions 15

EPL services use bandwidth exclusively on the line, which is very safe. Dedicated line applications for VIP customers

Options:
A.

True

B.

False

Questions 16

Configuring the EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring network, the STP protocol must be enabled on the network to prevent broadcast storms.

Options:
A.

True

B.

False

Questions 17

Only one TCM can be used at one site

Options:
A.

True

B.

False

Questions 18

Which of the following are communication quality alerts? (Multiple choice).

Options:
A.

Optical port loopback

B.

There is no login user

C.

NE communication in the

D.

Optical signal loss

Questions 19

Which of the following different types of ESC are divided according to the principles of implementation? (Multiple choice)

Options:
A.

insert DCC

B.

Fixed frame structure DCC

C.

Pilot adjusts DCC

D.

None of the above

Questions 20

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

Options:
A.

4

B.

8

C.

16

D.

20

Exam Code: H31-311_V2.5
Certification Provider: Huawei
Exam Name: HCIA-Transmission V2.5
Last Update: Oct 30, 2025
Questions: 246

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