In MSP networking, when the optical fiber is connected between sites, the east light plate of the site is connected to the west light plate of the downstream site, and these stations are connected in turn to form a ring. In this case, the direction from the toko plate of the site to the wine light plate of the downstream station is the direction of the main ring, and the direction of forming the ring is the direction of service.
Answer(s): B
Which of the following device domains can be managed by U2000? (Multiple choice).
Answer(s): A,B,C,D
The value of the MFAS byte increases with the sequence number of the OTUk/ODUK base frame and includes the most () base frames.
Answer(s): C
Which of the following clock operating modes supports the ITU-T G.781 standard? (Multiple choice).
Answer(s): A,B,C
What of the following operations may interrupt the network element service? (Multiple choice).
Answer(s): C,D
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