最新なHuawei H31-311問題集（190題）、真実試験の問題を全部にカバー！

質問 1：
An optical amplifier unit compensates for line loss and extends transmission distance. Connecting multiple optical amplifier units in cascading mode can infinitely extend transmission distance of a system.
A. TRUE
B. FALSE
正解：B

質問 2：
On the NMS, the NE performance monitoring time is set to () minutes and () hours,
A. 15, 12
B. 15, 24
C. 30, 24
D. 30, 12
正解：B

質問 3：
Which of the following working windows is indicated by "2" in the optical module parameter L-64.2"?
A. 1550 nm
B. 880 nm
C. 1310 nm
D. 1510 nm
正解：A

質問 4：
Which of the following is the function of TCM overheads in ODUk signals?
A. Tandem connection monitoring overhead
B. Channel supervisory overhead
C. Path trace identifier overhead
D. General communication channel overhead
正解：A

質問 5：
The number of 0DU2e signals multiplexed into an 0DU3 signal is the same as that of 0DU2 signals multiplexed into an 0DU3 signal.
A. TRUE
B. FALSE
正解：B

質問 6：
Which of the following are the device-level protection schemes of SDH products? (Multiple Choice)
A. System control board protection
B. Power supply protection
C. TPS protection
D. Cross-connect and timing board protection
正解：A,B,C,D

質問 7：
Which of the following are different types of ESCs divided by implementation principles?
A. Inserted DCC
B. Fixed frame structure DCC
C. Pilot tune DCC
D. None of the above
正解：A,B