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Question 1

Which of the following local maintenance endpoints can be used to manage MSTP devices?

Options :

A : U2000LCT

B : U2000WebLCT

C : U200IP LCT

D : All of the above

Answer: A

Question 2

On the NMS system, the network element performance monitoring time is set to () minutes and () hours.

Options :

A : 15.12

B : 15.24

C : 30.12

D : 30.24

Answer: B

Question 3

Measure the error correction capability of fec with encoded gain. Which of the following statements about the coding gain is incorrect?

Options :

A : When ber is constant, the OSNR saved by correcting the encoding is called the encoding gain.

B : The error correction capability of B.FEC increases with coding gain.

C : The coding gain of the in-band FEC is greater than the coding gain of the out-of-band FEC

D : The coding gain of D.AFEC is greater than the coding gain of FEC.

Answer: C

Question 4

When the ACT indicator of the SDH board is off, it means that the board has a hardware failure and cannot be used.

Options :

A : True

B : False

Answer: B

Question 5

The value of the MFAS byte increases with the sequence number of the OTUk/ODUK base frame and includes the most () base frames.

Options :

A : 64

B : 128

C : 256

D : 512

Answer: C