Most Recent Huawei H12-721 Exam Dumps

Prepare for the Huawei HCIP-Security-CISN V3.0 exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Huawei H12-721 exam and achieve success.

The questions for H12-721 were last updated on Feb 18, 2025.

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Question No. 1

The FTP network diagram is as follows. The FTP server wants to use the 21000 control port to provide external FTP services. The FTP client cannot access the FTP server.

Aport mapping function is not used. The packets sent from the FTP client to the FTP server on port 21000 are ordinary packets and are not recognized as FTP packets.

BThe firewall can only recognize the FTP traffic of port 21 and cannot identify the FTP traffic of port 21000.

Cis not configured with ASPF function

Ddevice dropped all UDP traffic

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Correct Answer: A, C

Question No. 2

What is the correct description of IKE?

AIKE is a protocol carried by UDP and is a signaling protocol of IPSec.

BIKE negotiates an SA for IPSec and hands over the established parameters and security associations to IPSec.

CIPSec encrypts or verifies the packet by using the SA negotiated by IKE.

DIPSec must use IKE key exchange

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Correct Answer: A, B, C

Note: IPSec key exchange method: one is IKE; the second is manual configuration.

Question No. 3

To ensure the normal forwarding of large traffic, a network administrator of a company uses two firewalls to implement hot standby. As shown in the following figure, when the configuration is complete, it is found that when A of the two firewalls fails, the data stream being transmitted before the fault has been seriously lost, but the newly transmitted data stream can work normally after the fault. What could be the cause of this phenomenon?

AThe HRP preemption time configured on the firewall is smaller than the convergence time of OSPF.

Bis not configured to adjust the COST value of OSPF according to the HRP status.

CThe session fast backup function is not configured on the USG. The packets cannot be forwarded normally if the back and forth paths are inconsistent.

Ddoes not enable hrp track on the upstream and downstream interfaces of the firewall.

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Correct Answer: D

Question No. 4

Which of the following technologies can enhance the security of mobile users accessing the company's intranet VPN solution?

ASSL

BPPPoE

CGRE

DL2TP

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Correct Answer: A

Question No. 5

What are the following attacks that are special message attacks?

APing of Death attack

BSuper large ICMP packet attack

CTracert packet attack

DICMP unreachable packet attack

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Correct Answer: B, C, D

Note: Special packet attacks: one is a large ICMP message; the other is an ICMP unreachable message; the third is a Tracert message.

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