Question 1

Which of the following alarms will trigger optical line protection switching?

Options :

A : POWER_DIFF_OVER

B : MUT_LOS

C : R_LOS

D : R_LOF

Answer: A,B,C,D

Question 2

Which of the following descriptions of discrete services are correct:

Options :

A : Discrete business management requires U2000 license to have path management function.

B : A certain service is searched for as a discrete service, which indicates that the service cannot run normally on the NE side.

C : For a cross-connection, it is either a discrete service or other cross-connections after path search

D : path is formed: it is impossible not only to belong to a discrete business, but also to form a path with other cross-connections.

E : Perform route search on the U2000 network management. Cross-connections that do not form a route are called discrete services.

Answer: A,C,D

Question 3

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 4

For a 10G OUT board, the receiver optical module uses a PIN module, then the following Which receiving power is in the normal receiving range of the board?

Options :

A : 9dBm

B : 19dBm

C : -19dBm

D : -9dBm

Answer: 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