Online Access Free Huawei.H12-931-ENU.v2022-06-07.q103 Practice Test (Page 12)

H12-931-ENU Exam Question 51

During the network acceptance test, it was found that the OSN 3500 can work normally when connected to an external clock source. When the external clock source is disconnected, it enters the hold state, but the hold state cannot last for 24 hours. Please explain the possible reasons.

A.The clock SSM function is not enabled

B.The clock crystal oscillator fails, and the board needs to be replaced

C.Access to external high-precision clock source time is too short

D.Wrong clock level setting

H12-931-ENU Exam Question 52

For WDM network, the following description is correct (multiple choice)

A.For an OAU board, you can roughly judge the type of DCM module connected to the site according to the upper threshold of nominal gain (dB) on the network management system and the upper threshold of actual gain (dB)

B.For the OAU board, the type of DGI module connected on site can be roughly judged based on the difference between the output of POUT and the input of BAIN

C.For 10G and 100G mixed transmission networks, you can use the performance of 10G to analyze the dispersion compensation of the system

D.For 10G and 100G mixed transmission networks, you can use the performance of 100G to analyze the dispersion compensation of the system

H12-931-ENU Exam Question 53

After the single main control is replaced with the main control, the new main control is inconsistent with the previous failed main control software, which alarm may be reported by the network element

A.SWDL_PKG_NOBDSOFT

B.SWDL_CHGMNG_NOMATCH

C.SWDL_INPROCESS

D.SWDL_PKGVER_MM

H12-931-ENU Exam Question 54

What are the main application scenarios of 1588 ACR? (multiple choice)

A.Huawei SDH network

B.Traversing a leased third-party network

C.Huawei PTN network

D.Traversing the asynchronous network

H12-931-ENU Exam Question 55

Because the Ethernet port OAM acts on the last kilometer and is used for the Ethernet link between two devices, the protocol stipulates that the message cannot be forwarded by the bridge.

A.TRUE

B.FALSE

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