Question 1

Which of the following ITLI-T recommendations define the OTN frame structure?

Options :

A : G.694

B : G.652

C : G.975

D : G.709

Answer: D

Question 2

Some SNCP protection inversion conditions are default, such as AU-AIS and TU-AIS. Other conditions are optional, such as HP-TIM and HP-SLM. Optional conditions can be flexibly set according to the level of the costume.

Options :

A : True

B : Error

Answer: A

Question 3

According to ITU-T's recommendations, the requirement that the MSP switching time should be within 50ms is conditional. For example, the number of net elements on the entire ring network is less than 16.

Options :

A : True

B : False

Answer: B

Question 4

Which factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent After the signal transmission in the WOM system is transmitted over a certain distance, the 'oSNR' of the receiving end of the optical signal-to-noise ratio is reduced to a certain extent. Which of the following is the main cause?

Options :

A : Use EDFA. ).

B : Use of multi-density multiplexers and multiplexers.

C : Do not use new optical fibers.

D : Optical fiber attenuation is too high.

Answer: A

Question 5

On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time

Options :

A : True

B : False

Answer: B