Question 1

The maximum spectroscopic ratio supported by 10G EPON is?

Options :

A : 1: 256 (Laboratory).

B : 1:32

C : 1:128

D : 1:64

Answer: A,C

Question 2

(Single choice) In GPON systems, in order to prevent network monitoring, the most common method is.

Options :

A : Information encryption

B : Physical transport (not networked)

C : Cableless network transmission

D : Use leased line transmission

Answer: A

Question 3

In the evolution of EPON to 10 G EPON, a smooth transition is achieved at the local level by adding WDM WDM modules, and ODNs coexist

Options :

A : True

B : False

Answer: B

Question 4

(Single-choice) An IPTV user reflects that the TV cannot be watched, open the debug switch on the OLT side, and the debug printing information is as follows: huawei( config).

This can be judged by the results of the query

Options :

A : The poN port multicast bandwidth is insufficient

B : The user does not have permission to watch the show

C : IGMP Sakamoto Fussel

D : User bandwidth validation failed

Answer: D

Question 5

(Multiple choice) Which of the following measures can be adopted by GPON in terms of traffic control

Options :

A : Gem-car

B : gem mapping

C : flow-car

D : tcontcar

Answer: A,C

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