Which of the following information is involved in the process of the first stage main mode negotiation in IKE v1 negotiation? (Multiple Choice)

• A.IPSec proposal set
• B.Both parties' identity information
• C.IKE proposal set
• D.DH key exchanges public information

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What are the following attacks that are special message attacks?

• A.Ping of Death attack
• B.Super large ICMP packet attack
• C.Tracert packet attack
• D.ICMP unreachable packet attack

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In dual-system hot backup, the backup channel must be the main interface on the interface board. Which type is not supported?

• A.E1
• B.vlan-if
• C.Ethernet
• D.GigabitEthernet

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Is the correct statement about TCP proxy and TCP reverse source probing?

• A.TCP proxy and TCP reverse source probe can prevent SYN Flood
• B.The principle of the TCP proxy is that the device acts as a proxy for the TCP connection between the two ends. When one end initiates the connection, it must first complete the TCP 3 handshake with the device.
• C.Use TCP proxy mode for attack defense, you must enable the state detection mechanism.
• D.TCP reverse source detection detects the source IP by sending a Reset packet.

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Which of the following technologies does Huawei WAF5000 use to deal with special web attacks such as hotlinking and cross-site request forgery?

• A.Signature Matching technology
• B.Abnormal state tracking technology
• C.Illegal link filtering technology
• D.Behavior State Chain Detection technology

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