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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. BGP is generally applied to complex networks where routes change frequently. Frequent route flapping consumes a large number of bandwidth and CPU resources, and even affects the normal operation of the network. This is an unavoidable problem that cannot be solved in BGP.

A) TRUE
B) FALSE

2. Which of the following protocols are multi-channel protocols?

A) FTP
B) Telnet
C) H.323
D) SMTP

3. During routine O & M, an engineer finds that the Hold Time parameters of two devices are inconsistent. In this case, which of the following situations occurs?

A) No peer relationship can be established.
B) A peer relationship can be established, and the smaller Hold Time is selected after negotiation.
C) A peer relationship can be established, and the devices use their own parameter values to send messages.
D) A peer relationship can be established, and the larger Hold Time is selected after negotiation.

4. Which of the following address types is not supported by IPv4?

A) Unicast
B) Anycast
C) Multicast
D) Broadcast

5. Hackers often obtain the login permissions of system administrators through various attacks.
Which of the following measures can be taken to enhance the security of administrator accounts?
(Select all that apply)

A) Encrypt passwords before transferring them. Whenever possible, transfer passwords by email.
B) To ensure security and make the password easier to remember, you can set the password to be valid for a long time.
C) Periodically check whether unnecessary administrator accounts exist in the system. If such accounts exist, delete them to reduce the attack surface.
D) Assign exclusive accounts for administrators with different maintenance roles to avoid account sharing.

Solutions: