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Huawei HCIP-Security V4.0 Sample Questions:

1. Which of the following statements are true about SYN scanning attacks?(Select All that Apply)

A) When the scanner sends a SYN packet, a SYN-ACK response indicates an open port.
B) When the scanner sends a SYN packet, if the peer end responds with a SYN-ACK packet, the scanner then responds with an ACK packet to complete the three-way handshake.
C) When the scanner sends a SYN packet, an RST response indicates a closed port.
D) If the peer end does not respond to the SYN packet sent by the scanner, the peer host does not exist, or filtering is performed on the network or host.

2. Which of the following statements is false about the restrictions on configuring bandwidth profiles in parent and child policies on a firewall?

A) The maximum bandwidth specified in a child policy cannot be greater than that specified in the parent policy.
B) Both the parent and child policies must both use the same traffic limiting mode; that is, either "setting the upstream and downstream bandwidths" or "setting the overall bandwidth".
C) The connection limit specified in a child policy cannot be smaller than that specified in the parent policy.
D) The parent and child policies must reference different bandwidth profiles.

3. In the figure, FW_A connects to FW_B through two links working in active/standby mode. When the active link of FW_A is faulty, the old IPsec tunnel 1 needs to be torn down, and IPsec tunnel 2 needs to be established with FW_B through the standby link to route traffic. In this case, configuring the IKE _____ detection mechanism on FW_A helps detect link faults and tear down the IPsec tunnel.(Enter lowercase letters.)

4. Network Access Control (NAC) is an end-to-end security control technology that works in combination with AAA to implement access authentication. Which of the following statements about NAC and AAA are true?(Select All that Apply)

A) An AAA server controls network access rights of users through authentication, authorization, and accounting.
B) NAC is mainly used for interaction between access devices and authentication servers.
C) AAA is mainly used for interaction between users and access devices.
D) NAC provides three authentication modes: 802.1X authentication, MAC address authentication, and Portal authentication.

5. *In the data filtering profile on the firewall, keyword group "Keyword" is invoked in the upload direction of HTTP applications, the action is block, and the keyword group is invoked in the security policy. Given this, if the regular expression "b.d" is configured in the keyword group "Keyword," which of the following texts can be posted by internal employees on the forum?

A) beside
B) bad
C) boring
D) abroad

Solutions: