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

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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. A network element cannot join the smart domain after the smart feature is enabled. The possible reasons are: (multiple choice)

A) The electrical layer DCC is not surging;
B) The smart domain is not refreshed;
C) The network element data is not uploaded;
D) ODU1_PM_AIS exists on the N board;
E) N board DCC management RES_ODU channel status is not enabled;

2. In microwave products, which of the following protection methods can enable reverse switching? (multiple choice)

A) 1+1 FD
B) 1+1 HSB
C) 1+1 SD
D) N+1 protection

3. A certain system is configured with SOM, only the optical power information is in the query spectrum analysis data, and the OSNR is displayed as "---". The OSNR is abnormal at this time, the possible reason is ()?

A) After the networking changes, the SOM function is not reconfigured
B) Abnormal communication between network elements
C) The OMS segment is not correctly configured or the OMS segment is configured with a board not in place
D) Scanning spectra of OMCA/MCA4/MCA8 boards are inconsistent
E) There is a single-board optical cross-connection in the Och path or the Och is not created

4. Regarding system security planning and reliability planning, which of the following is correct (multiple choice)

A) Based on security considerations, the recommended communication bandwidth for medium-scale remote dual-system hot backup communication is 2M.
B) Operational safety and reliability design includes: access control, ACL control, time control, limit on the number of logins, user monitoring and operation confirmation.
C) The security management of the network management mainly includes object management, password management, access control management, and power and domain management.
D) In the process of data output, to ensure the security of data transmission, U2000 needs to support data encryption protocol, in which SSLv3 protocol can be used for data transmission encryption between U2000 and network element equipment, and it can also be used for U2000 and upper OSS system Data transmission between is encrypted.

5. There are two NG-SDH network elements A and B.
A is a gateway network element.
The network manager manages B through ECC routing through A.
The network manager can log in to A, but cannot log in to B through A.
What are the possible reasons? (multiple choice)

A) The optical board connected to B does not create a logical board
B) Manually set up ECC routing
C) Cross-connect board is not inserted
D) The main control board is abnormal

Solutions: