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Regarding the enhanced mode in HTTP Flood source authentication, which of the following descriptions are correct? Multiple choices

A.

Enhanced mode refers to the authentication method using verification code.

B.

Some bots have a redirection function, or the free proxy used during the attack supports the redirection function, which leads to the failure of the basic mode of defense

Effective, enhanced mode can effectively defend.

C.

The enhanced mode is superior to the basic mode in terms of user experience.

D.

Enhanced mode supports all HTTP Flood source authentication fields. "

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When a virus is detected in an email, which of the following is not the corresponding action for detection?

A.

Warning

B.

Block

C.

Declare

D.

Delete attachments

Abnormal detection is to establish the normal behavior characteristic profile of the system subject through the analysis of the audit data of the system: check if the audit data in the system

If there is a big discrepancy with the normal behavior characteristics of the established subject, it is considered an intrusion. Nasu must be used as the system subject? (multiple choice)

A.

Host

B.

A group of users

C.

Single user

D.

A key program and file in the system

Huawei NIP6000 products have zero-setting network parameters and plug-and-play functions, because the interfaces and interface pairs only work on layer 2 without

Set the IP address.

A True

B. False

Attacks on the Web can be divided into three types of attacks on the client, server, or communication channel.

A.

True

B.

False

The status code in the HTTP response message indicates the type of the response message, and there are many possible values. Which of the following status codes represents the client request

The resource does not exist?

A.

400.

B.

404

C.

200

D.

503

After enabling the IP policy, some services are found to be unavailable. Which of the following may be caused by? (multiple choice)

A.

Only packets in one direction pass through the firewall

B.

The same message passes through the firewall multiple times

C.

IPS underreporting

D.

Excessive traffic causes the Bypass function to be enabled

Under the CLI command, which of the following commands can be used to view the AV engine and virus database version?

A.

display version av-sdb

B.

display utm av version

C.

display av utm version

D.

display utm version