Question 1

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 2

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 3

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 4

The optical and electronic racks of the OSN 9800 equipment communicate through the master-slave sub-rack cascade mode, and pass Connect the GE1/2 ports on the CTU board.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

The following description of equipment operation is wrong

Options :

A : Wear anti-static wrists or gloves during operation to prevent static electricity from damaging the board

B : CLASS 1M means that the optical power is low and will not cause damage to the eyes or skin

C : The dust screen needs to be cleaned regularly to facilitate heat dissipation

D : The equipment needs to be grounded safely

Answer: B