Question 1

Fill in Blank The decrease of optical power when light passes through a passive optical component is called the____. (Enter only letters.)

Options :

A : attenuation

B : insertion loss

C : dispersion

D : reflection

Answer: B

Question 2

Signal flow analysis is used to check the service flow of a faulty WDM system node by node to locate the fault.

Options :

A : TRUE

B : FALSE

Answer: A

Question 3

Which of the following fiber types complies with the description that the dispersion at 1310 nm is 0 and the typical dispersion coefficient around 1550 nm is 17 ps/nm.km?

Options :

A : G.654

B : G.652

C : G.655

D : G.653

Answer: B

Question 4

Which of the following are not features of WDM network expansion?

Options :

A : Increased network complexity

B : No impact on existing services during the expansion

C : Maximized protection of existing investment

D : It takes a long time.

Answer: A,D

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