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Huawei H12-721 Exam With Confidence Using Practice Dumps

Exam Code:
H12-721
Exam Name:
Huawei Certified ICT Professional - Constructing Infrastructure of Security Network
Certification:
Huawei Certified Network Professional HCNP
Vendor:
Huawei
Questions:
217
Last Updated:
Jun 17, 2026
Exam Status:
Stable
Huawei H12-721

H12-721: Huawei Certified Network Professional HCNP Exam 2025 Study Guide Pdf and Test Engine

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Huawei Certified ICT Professional - Constructing Infrastructure of Security Network Questions and Answers

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Question 1

Man-in-the-middle attacks are: the middleman completes the data exchange between the server and the client. In the server's view, all messages are sent or sent to the client. From the client's point of view, all messages are also sent or sent.

Options:

A.

Packet 1: Source IP 1.1.1.1 Source MAC C-C-C Destination IP 1.1.1.2 Destination MAC B-B-B

B.

Packet 1: Source IP 1.1.1.3 Source MAC C-C-C Destination IP 1.1.1.2 Destination MAC B-B-B

C.

Packet 2: Source IP 1.1.1.2 Source MAC C-C-C Destination IP 1.1.1.1 Destination MAC A-A-A

D.

Packet 2: Source IP 1.1.1.3 Source MAC C-C-C Destination IP 1.1.1.1 Destination MAC A-A-A

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Question 2

What is the correct statement about the ip-link feature?

Options:

A.

ip-link is a function to detect link connectivity

B.

ARP detection mode only supports detecting direct links (or forwarding through Layer 2 devices in the middle)

C.

The firewall sends ICMP or ARP packets to a probe destination address to determine whether the destination address is reachable.

D.

ip-link is associated with VGMP, the ip-link status is down, and the VGMP management group priority is lowered by default.

 

Question 3

When an attack occurs, the result of packet capture on the attacked host (1.1.1.1) is as shown in the figure. What kind of attack is this attack?

Options:

A.

Smurf attack

B.

Land attack

C.

WinNuke attack

D.

Ping of Death attack

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