Question 1

(Judgment) Both SC2 single board and ST2 single board support 1588V2 signal processing and transparent transmission.

Options :

A : TRUE

B : FALSE

Answer: B

Question 2

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

Question 3

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 4

In the characteristic test of the splitter (combiner), what standard is required for the isolation test?

Options :

A : >25dB

B : <20dB

C : <25dB

D : >20dB

Answer: A

Question 5

Which of the following descriptions of discrete services are correct:

Options :

A : The path search is performed on the U2000 network management system. Cross-connections that do not form a path are called discrete services.

B : Discrete business management requires U2000 license with path management function.

C : For a cross-connection, after path search, it is either a discrete service or other cross-connections. Connection forms a path; it is impossible not only to be a discrete business, but also to form a path with other cross-connections path

D : A certain service is searched as a discrete service, indicating that the service cannot be performed normally on the network element side.

Answer: A,B,C

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