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Ace the Huawei H12-721 Exam: Ultimate Preparation Guide

Questions 31

What are the drainage schemes that can be used in the scenario of bypass deployment in Huawei's abnormal traffic cleaning solution?

Options:

A.

dynamic routing drainage

B.

static policy routing drainage

C.

static route drainage

D.

MPLS VPN drainage

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Questions 32

The network of an enterprise is as follows. At this time, server A cannot access the web service of server B. The administrator performs troubleshooting and finds that there is no problem in the routing mode of firewall A. The corresponding routing table has been established, but the firewall mode of firewall A is set. error. What is the method used by the administrator to troubleshoot the problem?

H12-721 Question 32

Options:

A.

layering method

B.

segmentation method

C.

replacement method

D.

block method

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Questions 33

After the BFD session is established, the two systems periodically send BFD control packets. If a system does not receive any packets from the peer within the detection time, the status of the BFD session is considered to be Down. Which mode of detection is this mode called BFD?

Options:

A.

sync mode

B.

detection mode

C.

asynchronous mode

D.

query mode

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Questions 34

The attacker sends a large number of invite messages to the SIP server, causing the SIP server to refuse service. Which layer of the OSI model is this attack based on?

Options:

A.

application layer

B.

network layer

C.

transport layer

D.

data link layer

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Questions 35

The testing center is responsible for detecting the traffic and sending the inspection result to the management center. The management center sends the drainage strategy to the cleaning center for drainage cleaning.

Options:

A.

TRUE

B.

FALSE

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Questions 36

The interaction process of the firewall linkage NIP intrusion detection device is: 1. record the intrusion process, alarm log record; 2. NIP for attack detection; 3. reconfigure the firewall; 4 terminate the intrusion Which of the following correct interaction sequences is the same?

Options:

A.

1 2 3 4

B.

2 1 3 4

C.

3 1 2 4

D.

1 2 4 3

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Questions 37

When using manual IPSec negotiation, NAT traversal is also required if there is a NAT device on the network.

Options:

A.

TRUE

B.

FALSEx

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Questions 38

SSL VPN authentication is successful. Using the file sharing function, you can view directories and files, but you cannot upload, delete, and rename files. What are the possible reasons?

Options:

A.

If the file server type is NFS, the user UID and GID attributes do not allow the user to upload, delete, or rename files.

B.

If the type of the file server is SMB, the currently logged-in user has only read permission for the file share resource, but no write permission.

C.

Only the viewing function is enabled in the SSL file sharing function configuration of the C firewall.

D.

Some TCP connections between the virtual gateways of the D file server are blocked by the firewall

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Questions 39

Regarding the virtual gateway type exclusive and shared type, what are the following statements correct?

Options:

A.

exclusive virtual gateway exclusive IP address

B.

When the network IP address is tight, it is recommended to use a shared virtual gateway.

C.

Exclusive virtual gateway can use domain name access

D.

Multiple shared virtual gateways, distinguished by IP address

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Questions 40

When there are a large number of BFD sessions in a system, what mode can be used to prevent BFD detection when the cost of sending BFD control packets periodically affects the normal operation of the system?

Options:

A.

sync mode

B.

detection mode

C.

asynchronous mode

D.

query mode

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Exam Code: H12-721
Exam Name: Huawei Certified ICT Professional - Constructing Infrastructure of Security Network
Last Update: Jul 25, 2024
Questions: 217

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