Question 1

The key to NG WDM system fault location is to accurately locate the fault to a single station

Options :

A : ture

B : false

Answer: A

Question 2

The mask of an IP subnet is 28 bits, then the number of hosts in the subnet is:

Options :

A : 16

B : 14

C : 30

D : 32

Answer: B

Question 3

The ways to back up the network element database are:

Options :

A : Back up the NE database to the CF card

B : Back up the NE database to the main control board

C : Back up the network element data to the network management client

D : Back up the network element data to the network management server

Answer: A,B,C,D

Question 4

The characteristic test of NS4 single board includes:

Options :

A : receiving sensitivity

B : center wavelength test

C : side mode suppression ratio

D : -20dB spectrum width test

Answer: A,B,C,D

Question 5

When using the single-board method to create the 0Ch path, select the corresponding line single-board and FIU single-board for the source and sink The IN/OUT port of the board.

Options :

A : TRUE

B : FALSE

Answer: A

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