Free Access Huawei.H31-311_V2.5.v2026-03-12.q307 Practice Test (Page 14)

Question 61

SDH signals must be scrambled before they can be transmitted over optical fibers. Which of the following bytes is not scrambled? (Multiple choice).

A.J0

B.J1

C.A2

D.A1

Question 62

Which of the following statements about the OTM-n .m and OTMnr .m for OTN are incorrect?

A.n represents the number of wavelengths carried by the maximum capacity

B.r represents OTM., which does not have OSC capabilities

C.m indicates the rate. The value can be 1, 2, or 3. .

D.OTM-nr .m with OSC signal is OTM-n.m.

Question 63

The rate of SF64 and SL64 boards is STM54. Therefore, the two plates can be interconnected.

A.True

B.False

Question 64

When setting the LCAS mode, please follow the following principles: 1. If the devices at both ends are Huawei devices, please set them to "Standard Mode" 2. If Huawei devices are interconnected with third-party devices, please set the interconnected devices to the same mode according to the mode supported by the third-party devices.

A.False

B.True

Question 65

When the fiber between node A and node B is disconnected, the RU on node B detects OTS_LOS alarm and will OTS_BDI The ru of the alert inserted into node A of node A forces reports OTS BDI alarms. The board reports och_SSF alarm on the downstream C node.