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Huawei HCIP-Security-CSSN V3.0 Sample Questions:

1. If the regular expression is "abc. de", which of the following will not match the regular expression?

A) abcdde
B) abclde
C) abcde
D) abc+de

2. Regarding scanning and snooping attacks, which of the following descriptions is wrong?

A) The source address of the scanning attack is real, so it can be defended by adding direct assistance to the blacklist.
B) It is usually the network detection behavior before the attacker launches the real attack.
C) When a worm virus breaks out, it is usually accompanied by an address scanning attack, so scanning attacks are offensive.
D) Scanning attacks include address scanning and port scanning.

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

A) True
B) False

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

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

5. Which of the following are the control items of HTTP behavior?) (multiple choice)

A) File upload and download
B) Acting online
C) Browse the web
D) POST operation

Solutions: