Free H31-311 Exam braindumps download (H31-311 exam dumps Free)

QUESTION: 21

The clock unit can access an external clock source as the timing signal source of the system only through the external clock interface. In addition, it can output the processed clock and provide the clock source for other devices that require timing.

TRUE
FALSE

Answer(s): B

Show Answer Next Question

QUESTION: 22

Which of the following statements about the MST functional module are correct? (Multiple Choice)

The MST is both the source and sink of the MS.
The MST implements the BIP-8 statistics calculation of the B2 byte.
The MST returns bit error information, but not the specific number of bit errors.
The MST provides the E2 orderwire channel.

Answer(s): A,D

Show Answer Next Question

QUESTION: 23

A 1510 nm optical supervisory channel can be effectively amplified after it passes an EDFA.

TRUE
FALSE

Answer(s): B

Show Answer Next Question

QUESTION: 24

In the frame structure of SDH signals, there are abundant overhead bytes used for operation, administration, and maintenance (OAM). The overhead bytes account for ( ) of all bits in the entire frame and greatly enhance the monitoring functions of the network.