Huawei H12-931-ENU : Huawei Certified Internetwork Expert-Transmission

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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

Question 1

Which of the following statements about the configuration, testing and maintenance of IPA functions are correct? ()

A. The purpose of testing the IPA function is to verify that if any fiber is broken in the fiber path included in the IPA, the amplifier included in the IPA can be turned off. After the fiber is restored, the amplifier can be automatically turned on, and The power change is within 0.5dB.
B. Select "Configuration/IPA Management" in the function tree of the NE Manager to configure the IPA start delay value
C. IPA function is only applicable to Raman amplifiers, not to ordinary amplifiers
D. When the fiber interruption is repaired and the IPA cannot be terminated, it may be because the IPA protection group is not configured with the "detection board", only the auxiliary detection board is configured, and the auxiliary detection board reports an alarm that triggers IPA
E. After the IPA function is successfully activated, when the amplifier board detects LOS, the optical power of its output port becomes safe optical power

Question 2

In the process of U2000 network management searching for paths, the path search management module first scans the cross-connections of each network element, constructs sub-paths based on the cross-connections of adjacent network elements, and tries to merge these sub-paths.Which of the following sub-paths are legal?

A. The source and sink are not the end point of the sub-path or the optical port out of the subnet
B. The sub-path forms a loop
C. The sub-path ends on the pre-configured network element
D. The path does not go through the fiber

Question 3

Regarding the interconnection of different circuit boards of OTN equipment, which of the following statements is correct (multiple choice)

A. TN12ND2 and TN52/53/54/57NQ2 can be connected in AFEC mode
B. TN12ND2 and TN11ND2 can be connected in AFEC mode
C. TN12ND2 and TN12NS2 can be connected in AFEC mode
D. TN12ND2 and TN52ND2 can be connected in AFEC mode

Question 4

Which of the following protections in microwave equipment does not require dual slots?

A. SD+FD
B. SD
C. FD
D. HSB

Question 5

What problems in the network cannot be solved by QoS?

A. Packet loss rate
B. Delay jitter in transmission
C. Service bandwidth
D. Transmission resource

Solutions: