ASPF (Application Specific Packet Filter) is a kind of packet filtering basedon the application layer, it checks the application layer protocol information and monitor the connection state of the application layer protocol.
ASPF by Server Map table achieves a special security mechanism. Which statement about ASPF and Server map table are correct? (Multiple choice)

• A.ASPF dynamically create and delete filtering rules
• B.ASPF through server map table realize dynamic to allow multi-channel protocol data to pass
• C.Quintupleserver-map entries achieve a similar functionality with session table
• D.ASPF monitors the packets in the process of communication

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Classify servers based on the shape, what types of the following can be divided into? (Multiple choice)

• A.Tower server
• B.Rack server
• C.X86 server
• D.Blade sen/er

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In Huawei SDSec solution, which layer of equipment does the firewall belong to?

• A.Control layer
• B.Monitoring layer
• C.Executive layer
• D.Analysis layer

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Regarding the description of the packet in the iptables transmission process, which of the following option is wrong?

• A.If the destination address of the packet is not local, the system sends the packet to the OUTPUT chain.
• B.If the destination address of the packet is local, the packet will be sent to the INPUT chain.
• C.If the destination address of the packet is not local, the system sends the packet to the FORWARD chain.
• D.When a packet enters the network card, it first matches the PREROUTING chain.

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

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