Huawei H12-821_V1.0 : HCIP-Datacom-Core Technology V1.0

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Huawei H12-821_V1.0 Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. The VRID of the VRRP virtual router is 3 and the virtual IP address is 100.1.1.10. What is the virtual MAC address?

A) 00-00-5E-00-01-03
B) 00-00-5E-00-01-64
C) 01-00-5E-00-01-03
D) 01-00-5E-00-01-64

2. The administrator of an enterprise configures SNMPv3 on a device for communicating with the NMS (Network Management System) . After the configuration is complete, the display trapbuffer command output shows that there are traps in the trap buffer of the information center , but the NMS does not receive any of them . Which of the following may cause this problem?

A) The size of packets sent by the NMS exceeds the threshold set on the device.
B) The community name configured on the NMS is inconsistent with that configured on the device.
C) The SNMPv3 password used by the NMS is incorrect.
D) The SNMP version configured on the device is different from the SNMP version of traps sent by the device.

3. Four routers run IS-IS and have established adjacencies. The area IDs and router levels are marked in the following figure. R1 and R2 are connected through a PPP link, and R3 is the DIS. Which of the following statements are true?

A) R3 periodically sends CSNPs to implement Level-2 LSDB synchronization.
B) If R2 sends a Level-2 LSP, R3 needs to send a PSNP for acknowledgment.
C) If R1 sends an LSP, R2 needs to send a PSNP for acknowledgment.
D) R2 sends an LSP to R3 and R4 in unicast mode.

4. Compared with RSTP, which of the following port roles are added to MSTP?

A) Backup port
B) Edge port
C) Master port
D) Regional edge port

5. BGP routes have multiple path attributes. When a router advertises a BGP route to its peers, the route carries multiple path attributes. These attributes describe the characteristics of the BGP route and affect route selection in some scenarios. The attribute is Huawei-specific. It is valid only on the local device and is not transmitted to BGP peers. (Enter the attribute name in lowercase as it appears in the command output about the BGP routing table.)

Solutions: