Free Huawei H12-721 Exam Actual Questions & Explanations

Last updated on: May 31, 2026

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Question No. 1

The figure shows the data flow direction of the Bypass interface in the Bypass working mode and the non-Bypass working mode. What are the following statements about the working flow of the electrical Bypass interface?

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Correct Answer: A, B

Question No. 2

After the link-group is configured on the device, use the display link-group 1 command to obtain the following information. What information can I get?

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Correct Answer: B, C

Question No. 3

Huawei's abnormal traffic cleaning solution must deploy an independent testing center.

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Correct Answer: B

Question No. 4

Virtual firewall virtualizes multiple logical firewalls on a physical firewall device and implements multiple instances?

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Correct Answer: A, B, C

Note: Virtual firewalls are a combination of VPN instances (Instances), instances of multiple instances, and configuration of multiple instances. The virtual firewall provides the following multiple instances: one is VPN multi-instance; the other is secure multi-instance; the third is to configure multiple instances; the fourth is NAT multi-instance; the fifth is routing multi-instance; the sixth is UTM multi-instance.


Question No. 5

The firewall device defends against the SYN Flood attack by using the technology of source legality verification. The device receives the SYN packet and sends the SYN-ACK probe packet to the source IP address host in the SYN packet. If the host exists, it will Which message is sent?

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Correct Answer: A