Free Huawei H12-721 Exam Actual Questions

The questions for H12-721 were last updated On Dec 14, 2025

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Question No. 1

Which of the following is the correct description of the SMURF attack?

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Correct Answer: A

Note: B-Land attack; C-Faggle attack: use UDP port 7 (ECHO) - respond to received content and port 19 (Chargen) will generate a character stream after receiving UDP message; D- special ICMP unreachable packet attack in packet attack


Question No. 2

As shown below, the domain abc address pool is the address pool where the L2TP VPN user is located. What is wrong with the following statement?

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Correct Answer: D

Question No. 3

Two USG firewalls establish an IPSec VPN through the Site to Site mode. When viewing the status of a USG A, the following is displayed: display ipsec statistics the security packet statistics: input/output security paskets: 40 input/output security bytes: 400/0 input /output dropped security packets: 0/0 By status information, what information can be obtained correctly?

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Correct Answer: B, C

Question No. 4

Which of the following protocol messages cannot be propagated in an IPSec tunnel by default?

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Correct Answer: D

Note: By default, IGMP messages do not support fragmentation.


Question No. 5

In Huawei's abnormal traffic cleaning solution, the characteristics of the straight-line deployment mode and the bypass deployment mode are correct.

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Correct Answer: C