Free Huawei H12-721-ENU Practice Test & Real Exam Questions

Exam Code/Number: H12-721-ENU
Exam Name/Title: HCIP-Security-CISN(Huawei Certified ICT Professional - Constructing Infrastructure of Security Network)
Certification Provider: Huawei
Corresponding Certification: HCNP-Security

Exam Questions: 180
Updated On: Sep 11, 2026

Question #1

Which of the following options is wrong about the statement of the public network interface and the private network interface in the virtual system?

A. The public network interface refers to the interface configured with set public-interface command.

B. The bandwidth resource configuration in the resource class takes effect only when the public interface is configured.

C. The private network interface refers to the interface not configured with set public-interface command.

D. A private network interface is an interface that uses a private IP address.

Discussion 0

Correct Answer: D Vote an answer

Question #2

A company deploys the LogCenter log event management system, can meet which of the following requirements? (Multiple choices)

A. Wireless Broadband Cluster Device Management

B. Smart configuration

C. Report Analysis

D. NAT traceability

Discussion 0

Correct Answer: C,D Vote an answer

Question #3

USGA and USGB have configured a static BFD session. Which of the following statements is true about the process of setting up and tearing down a BFD session? (Multiple choices)

A. After the local BFD state of the USG 0 is Init, if it continues to receive the packets whose state is Down, it re-processes and updates its own local state.

B. USG A and USG B respectively start the BFD state machine. The initial state is Down, and the BFD packets with the Down state are sent. The value of your Discriminator is 0.

C. After a state transition of "DOWN => INIT" occurs on USG A and USG B, a timeout timer is started. If the BFD packet whose status is Init or Up is not received after the timer times out, the local status automatically switches back to Down.

D. After the USG B receives a BFD packet whose status is Init, the local status changes to Up.

Discussion 0

Correct Answer: C,D Vote an answer

Question #4

On the main panel of the Huawei USG6300 firewall, there is a fixed management interface GigabitEthernet 0/0/0 for device management.

A. False

B. True

Discussion 0

Correct Answer: B Vote an answer

Question #5

There are three physical interfaces in the Link-Group group. When any of these interfaces fails, which of the following statements is correct? (Multiple Choice)

A. After all the interfaces in the group are restored to normal, the interface status in the entire group is set to Up again.

B. If any interface in the group fails, the status of other interfaces in the group does not change.

C. If any interface in the group fails, the system sets the status of other interfaces in the group to Down.

D. After some interfaces in the group are restored to normal, the interface status in the entire group is set to Up again.

Discussion 0

Correct Answer: A,C Vote an answer

Question #6

When you create a virtual system, VPN instances of the same name are automatically generated.
And the system will automatically create a logical interface for it, from which value does the logical interface number begin?

A. 2

B. 1

C. 3

D. 0

Discussion 0

Correct Answer: B Vote an answer

Question #7

In hot standby, what is the number of cycles does not receive the HRP HELLO packet from the peer end, the Slave peer considers the peer end to be faulty?

A. One

B. Two

C. Three

D. Five

Discussion 0

Correct Answer: C Vote an answer

Question #8

The user uses the services provided by SSL to access the network resources of the intranet. The administrator has enabled file sharing and web proxy services for the user, and has allowed the traffic of the service to be released on the firewall. After the user enters the address of the virtual gateway on the PC, A list of file sharing and web proxies is not visible on the web page. Which of the following options are possible causes of this failure?

A. Administrators do not configure authorization of file sharing and web proxies for user.

B. The route between the firewall and the client is unreachable.

C. The port of virtual gateway external NAT is incorrect.

D. The virtual IP address is not obtained on the virtual network card of the user PC.

Discussion 0

Correct Answer: A Vote an answer

Question #9

In a dual-system hot backup environment, if there are inconsistent paths between data packets, which of the following will not result in packet loss?

A. Specify the wrong heartbeat port

B. Closed the status monitoring function

C. The session synchronization is not enabled

D. Heartbeat bandwidth is insufficient

Discussion 0

Correct Answer: B Vote an answer

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