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H31-311_V2.5 Exam Dumps - HCIA-Transmission V2.5

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Question # 25

Which overhead below 112 is not ODUk overhead?

A.

PM

B.

Traditional Chinese Medicine

C.

NJO

D.

APs/PCc

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Question # 26

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

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Question # 27

Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) â–¡

A.

High gain

B.

High output meritorious service

C.

Amplification of any wavelength

D.

Low noise index

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Question # 28

Which of the following statements about signal label byte C2 are incorrect?

A.

The A.C2 byte is used to indicate the multiplexed structure and payload properties of the VC frame.

B.

The C2 section to be sent must match the C2 bytes to be received.

C.

If the check to C2 byte does not match, the LP-SLM alarm is reported in the corresponding VC-4 channel.

D.

C2=00H Jizong VC4 is not equipped.

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Question # 29

When the J1 byte does not match, an alarm () is reported and the service may be interrupted.

A.

RS_TEM

B.

LP_TEM

C.

HP_TIM

D.

HP_SLM

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Question # 30

When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple Choices)

A.

M1

B.

H4

C.

K2

D.

K4

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Question # 31

NE A and NE B are adjacent NE

If B3 and low-order Falses occur in the A->B direction, and B1, B2, B3, and low-order Falses occur in the B->A direction, it is caused by Which of the following performance events does NEA report? (Multiple choice).

A.

RSBEE

B.

RSFEBE

C.

MSBBE

D.

MSFEBBE

E.

HPBBE

F.

HPFEBBE

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Question # 32

Which of the following is not the advantage of WDM?

A.

Large capacity and transparent data transfer

B.

Easy to upgrade and maximize protection for existing investments

C.

gold replacement for SDH equipment

D.

Future compatible with all optical switching networks

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