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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Regarding the OTN system network-level protection switching test, is the following statement wrong? ()

A) By default, the power difference between the main and backup channels of the OLP protection group exceeds 3dB and reports an alarm, and the maximum can be set to 8dB;
B) In the OTN bearer SDH multiplex section ring networking scenario, in order to avoid simultaneous switching of OLP protection and MSP protection, the delay time can be set in the MSP protection group
C) OLP master and backup optical power abnormal threshold exceeds 5dB by default to perform switching, and the threshold range can be set from -5 to 5
D) ODUk-SNCP does not involve a switching protocol, so it can assure customers that the test switching time must be less than 50ms
E) ODUk-SNCP protection is superimposed on OLP protection. In order to avoid secondary switching of SNCP protection, the delay time can be set in the SNCP protection group

2. The following description of cluster management, the error is ()

A) VVR must be started before the App, and then closed before the App
B) A resource group needs to be online only if all the resource groups it depends on are activated before it can go online; when a resource group is offline, the resource groups it depends on are all offline before it can be offline
C) The nodes in the cluster have the same cluster ID
D) VVR group: includes basic resources for VCS operation; ClusterService group: used for data replication control

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

A) 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.
B) MPLS Tunnel 1+1 protected service with dual sending and selective receiving, MPLS Tunnel 1:1 protected service with single sending and single receiving
C) If you want to protect the MPLS Tunnel, you need to create an MPLS Tunnel protection group
D) The APS protocol protected by the MPLS Tunnel 1:1 transfers the protocol status and switching status to each other through the tunnel transmission

4. The two MSP rings intersect, and one of the network elements at the intersection point has the coexistence of SNCP and MSP protection. How can I solve the secondary switching phenomenon due to the coexistence of protection?

A) It is necessary to set the delay time when configuring MSP and SNCP
B) Set the delay time when configuring the MSP cross-connect
C) No need to set a delay time
D) Set delay time when configuring SNCP cross connection

5. If there is a problem with the CORBA connection, it can be analyzed as follows: If it is not a problem on the U2000 side, you should find it from the upper-layer network management itself or the U2000 and the upper-layer network management together; the name and notification service cannot be started normally, you should check whether the corresponding port is occupied, or Try to use other ports; if U2000 fails to start, check whether the CORBA configuration files bundle.cfq and ems.cfq are correct

A) FALSE
B) TRUE

Solutions: