Name: Huawei H31-321 Exam
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Free Huawei H31-321 Exam Actual Questions

Note: Premium Questions for H31-321 were last updated On 16-03-2019 (see below)

Question #1

You need to plan the MS when gold services exist on an ASON network. Which of the following are true about MS planning?

AIf only a few gold services exist, upgrade the gold services to diamond services.

BThe MS should cover all nodes on which gold services are required to be configured. Multiple MSs can be used to cover more nodes on a complex network.

CIf the gold services take up less than half of the optical path resources, set part of the MS for the gold services, in other words, only part of the VC-4 resources on the MS are allocated for the gold services.

DServices should be evenly distributed in an MS. Avoid high bandwidth utilization in certain portion of an MS but low bandwidth utilization in other portion of the MS.

Reveal Solution

Correct Answer: B, C, D

Question #2

Which of the following is true about pointer justification?

AThe justification step of AU and TU pointers is 1 byte.

BIf the local NE detects an TU pointer justification event in the lower order path, pointer justification has occurred on the local NE.

CWhen an NE receives eight consecutive NDFs, the NE reports the AU_LOP alarm, indicating loss of the AU pointer.

DWhen the rate (frame frequency) of VC-4 is higher than that of the AU-4, a positive pointer justification will occur.

Reveal Solution

Correct Answer: C

Question #3

Which of the following about bit errors are true?

AThe bit errors in lower order paths cannot be detected by higher order paths, multiplex sections, and regenerator sections,

BGenerally, higher order bit errors can trigger lower order bit errors.

CBit errors in the regenerator section trigger bit errors in the multiplex section, higher order paths, and lower order paths.

DGenerally, lower order bit errors can trigger higher order bit errors.

EIn an optical synchronous transmission system, upon detecting bit error, the local end reports related alarms or performance events, and also informs the peer end of the bit error through overhead bytes.

Reveal Solution

Correct Answer: A, B, C, E

Question #4

When protection switching of services occurs on ASON tunnels, which of the following are involved in the entire protection process?

ANMS software

BASON software

CNE software

DBoard software

Reveal Solution

Correct Answer: B, C

Question #5

What are the common causes for an SNCP switching failure?

AHardware faults

BIncorrect fiber connections between boards

CIncorrect setting of protection group parameters

DIncorrect setting of hold-off time

Reveal Solution

Correct Answer: A, B, C

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Huawei H31-321 Exam Questions

Free Huawei H31-321 Exam Actual Questions

Note: Premium Questions for H31-321 were last updated On 16-03-2019 (see below)