Which of the following attacks is not a malformed packet attack?

• A.Smurf attack
• B.Teardrop attack
• C.TCP fragmentation attack
• D.ICMP unreachable packet attack

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Both A and B communicate data. If an asymmetric encryption algorithm is used for encryption, when A sends data to B, which of the following keys will be used for data encryption?

• A.B public key
• B.A public key
• C.A private key
• D.B private key

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Which VPN access modes are suitable for mobile office workers? (Choose three.)

• A.L2TP VPN
• B.L2TP over IPsec
• C.GRE VPN
• D.SSL VPN

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Regarding the AH and ESP security protocols, which ofthe following options is correct? (Multiple Choice)

• A.AH can provide encryption and verification functions
• B.The agreement number of ESP is51.
• C.ESP can provide encryption and verification functions
• D.The agreement number of AH is 51.

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In the Client-Initiated VPN configuration, generally it is recommended to plan the address pool and the headquarters or need to of the network address for the different network or need to open proxy forwarding on the gateway device

• A.True
• B.False

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