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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

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

1. An administrator of a company modifies a user's access rights and authorization attributes and other parameters on the authentication server. At this time, user A who has successfully passed 802.1x authentication will perform which of the following actions?

A) User A is directly offline without re-authentication
B) The device sends the reserved user authentication parameters to the server for re-authentication. If successful, the user: continue to go online normally
C) User A directly performs re-authentication, and if successful, it will continue to be online normally
D) User A does not perform re-authentication and continues to be online normally

2. The network administrator checks the BGP neighbor information on a router, and the neighbor information is shown in the figure. Which of the following statements about this information is correct?
(Multiple choice)

A) The number of messages received and sent by the peer 3.3.33 is 10 and 20 respectively
B) The neighbor relationship with peer 3.3.3.3 is an IBGP peer
C) The router has not received a BGP route prefix from the peer
D) The Router ID of the local router is 1.1.1.1

3. The RSTP protocol provides a variety of protection functions. For example, when the edge terminal port is configured in the protection state, the processing method of the edge port after receiving the BPDU message is:

A) Close the port
B) Obtain relevant information after the BPDU message
C) Directly discard the BPDU message
D) Forward BPDU messages as required

4. Which of the following statements about BGP security are correct? (Multiple choice)

A) You can use the display bgp peer verbose command to view the authentication details of BGP peers
B) Keychain authentication can be used between BGP neighbors to reduce the possibility of being attacked, and Keychain has a set of passwords, which can be automatically switched according to the configuration
C) To prevent attackers from simulating real BGP protocol packets to attack the device, you can configure the GTSM function to detect the TTL value in the IP packet header
D) When configuring the MD5 authentication password, if the simple option is used, the password will be saved in the configuration file in plain text, which poses a security risk

5. As shown in the figure, R1 and R2 form a VRRP backup group with VRID 12. Now the user starts R1 one minute after R2 starts. So which of the following descriptions of the default status of R1 are correct?
(Multiple choice)

A) If you change the priority of R1 to 100 and then start it, the final master device will be R2.
B) If you change the priority of R1 to 100 and then start it, the final master device will be R1.
C) After R1 starts stably, the final master device is R2.
D) After R1 starts stably, the final Master device is R1

Solutions: