Online Access Free Huawei.H12-931-ENU.v2022-06-07.q103 Practice Test (Page 9)

H12-931-ENU Exam Question 36

NG-SDH products initially support the board-level hot patch function. V100R008 starts to support both board-level hot patch and patch package functions (the hot patch upgrade method supported by different main control types is different), and it is supported from V100R010 and later versions.

A.Support board-level hot patch function

B.neither support

C.Board-level hot patch and patch package function

D.Patch package function

H12-931-ENU Exam Question 37

Error code is a common phenomenon in equipment maintenance. Which of the following phenomena may cause error code? (multiple choice)

A.The optical power of the optical port exceeds the overload point or is lower than the sensitivity

B.The device is not grounded

C.The device temperature is higher than normal

D.A large number of pointer adjustments have occurred on the device

H12-931-ENU Exam Question 38

For NG-SDH equipment equipped with dual main control, when the main control board is upgraded, which of the following statements is correct?

A.After the backup main control board has been upgraded first, the original main control can be upgraded only by switching between the main and the backup.

B.Upgrade the main main control board first, and then upgrade the standby main control board in the same way

C.Directly upgrade the main control board first, and then upgrade the standby main control board

D.First complete the upgrade of the standby main control board, and then perform a hard reset on the current active main control board to switch between the main and standby main control boards, and then upgrade the current standby main control board

H12-931-ENU Exam Question 39

The following descriptions about 1+1 protection and 1:1 protection of MPLS Tunnel are correct (multiple choice)

A.MPLS Tunnel 1+1 protected service with dual sending and selective receiving, MPLS Tunnel 1:1 protected service with single sending and single receiving

B.The APS protocol protected by the MPLS Tunnel 1:1 transfers the protocol status and switching status to each other through the tunnel transmission

C.MPLS Tunnel 1:1 protection has two types of services: double-ended switching and single-ended switching. MPLS Tunnel 1+1 protection only has single-ended switching.

D.If you want to protect the MPLS Tunnel, you need to create an MPLS Tunnel protection group

H12-931-ENU Exam Question 40

The following description of OLP optical line protection is wrong:

A.Protection principle: dual-transmit and selective-receive, single-ended switching, non-recovery by default;

B.APS protocol; no need for the whole network protocol;

C.Switching conditions: MUT_LOS/POWER-DIFF-OVER;

D.When configuring protection, the transceiver of the first port (TO1/RI1) can be configured to work or protection;

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H12-931-ENU Exam Question 36

H12-931-ENU Exam Question 37

H12-931-ENU Exam Question 38

H12-931-ENU Exam Question 39

H12-931-ENU Exam Question 40

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