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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

1. Regarding the description of OSPF's neighbor relationship failure, which of the following statements is false?

A) For a pair of DR Others on an Ethernet link
B) Stalling in the lnit state indicates that the router has received the neighbor's Hello packet, but the Hello packet does not contain the OSPF Router ID of the router
C) Stalling in ExStart state may be due to MTU mismatch between neighboring routers
D) The two router databases are synchronized, and an error occurs in the SPF calculation. It must be because the router ID is duplicated

2. If faced with a complex network failure, and after evaluation, it is considered that the troubleshooting cannot be completed in a short time, and the user urgently needs to restore the availability of the network, which of the following approach is correct?

A) Always try to troubleshoot without informing the user of the current difficulty of the failure
B) Directly build an alternative network environment without notifying customers
C) Tell the user that this is not possible
D) Communicate with users whether it is possible to skip the faulty node and build an alternative network environment

3. When OSPFv2 evolves to OSPFv3, the LSA format and function are exactly the same, except that the network layer address in the LSA changes from IPv4 to IPv6.

A) True
B) False

4. Which of the following are the advantages of VLAN aggregation? (Multiple choice)

A) Reduce the waste of IP addresses
B) Increase the number of VLANs available
C) Achieve isolation of broadcast domains between sub-VLANs
D) Increase addressing flexibility

5. esigth uses different colors to distinguish different alarm levels. Red means urgent, orange means important, yellow means minor, and blue means prompt. Which of the following statements about different alarm levels is true? (Multiple choice)

A) Minor: Alarms that currently have some impact on the business but require corrective action to prevent serious failures
B) Urgent: Alerts that have affected the business and require immediate corrective action
C) Prompt: A potential or imminent business-affecting failure is detected, but currently has little business impact
D) Important: Alarms that have affected the business and will have more serious consequences if not handled in time

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