Free Access Huawei.H12-722.v2022-06-03.q124 Practice Test (Page 17)

Question 76

Huawei USG6000 product can virus scan and process certain file transfer protocols, but which of the following protocol does not include?

A.FTP

B.POP3

C.IMAP

D.TFTP

Question 77

For SYIN Flood attacks, TCP source authentication and TCP proxy can be used for defense. Which of the following descriptions is correct?

A.TCP source authentication has the restriction that the return path must be consistent, so the application of TCP proxy is not common. State "QQ: 9233

B.TCP source authentication is added to the whitelist after the source authentication of the client is passed, and the SYN packet of this source still needs to be verified in the future.

C.During the TCP proxy process, the firewall will proxy and respond to each SYN message received, and maintain a semi-connection, so when the SYN message is When the document flow is heavy, the performance requirements of the firewall are often high.

D.TCP proxy means that the firewall is deployed between the client and the server. When the SYI packet sent by the client to the server passes through the firewall, the The firewall replaces the server and establishes a three-way handshake with the client. Generally used in scenarios where the back and forth paths of packets are inconsistent.

Question 78

Which of the following is wrong about the 3 types of abnormalities in the file type recognition result?

A.File extension mismatch means that the file type does not match the file extension.

B.Unrecognized file type means that the file type can't be recognized and the file extension can't be recognized.

C.File corruption means that the file type can't be identified because the file is damaged.

D.Unrecognized file type means that the file type can't be identified and there is no file extension.

Question 79

Malicious code usually uses RootKit technology to hide itself. RootKit modifies the kernel of the system by loading special drivers to hide itself and specific files.

A.TRUE

B.FALSE

Question 80

In the following options, which of the two attacks use similar attack methods, they will generate a large number of useless response packets, occupying network bandwidth, Consume equipment resources?

A.Fraggle and Land

B.Land and Smurf

C.Teardrop and Land35

D.Fraggle and Smurt

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Question 76

Question 77

Question 78

Question 79

Question 80

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