H12-711 Free Practice Test

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)

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

Correct Answer: ABC

Which of the following options are suppoied by VPNtechnology to encrypt data messages? (Multiple choice)

1. A. SSL VPN
2. B. GRE VPN
3. C. IPSec VPN
4. D. L2TP VPN

Correct Answer: AC

Which of the following is true about the description of the TCP/IP protocol stack packet encapsulation? (Multiple choice)

1. A. The data packet is firsttransmitted to the data link laye
2. B. After parsing, the data link layer information is stripped, and the network layer information is known according to the parsing information, such as IP.
3. C. After the transport layer (TCP) receives the data packet, the transport layer information is stripped after parsing, and the upper layer processing protocol, such as UDP, is known according to the parsing information
4. D. After receiving the data packet, the network layer is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such as HTTP
5. E. After the application layer receives the data packet, the application layer information is stripped after parsing, and the user data displayed at the end is exactly the same as the data sent by the sender host.

Correct Answer: AD

On the surface, threats such as viruses, vulnerabilities, and Trojans are the cause ofinformation security incidents, but at the root of it, information security incidents are also strongly related to people and information systems themselves.

1. A. True
2. B. False

Correct Answer: A

During the configuration of NAT. which of the following will the devicegenerate a Server-map entry? (Multiple Choice)?

1. A. Automatically generate server-map entries when configuring source NAT.
2. B. After the NAT server is configured successfully, the device automatically generates a server map entry.
3. C. A server-map entry is generated when easy-ip is configured.
4. D. After configuring NAT No-PAT, the device will create a server-map table for the configured multi-channel protocol data stream.

Correct Answer: BD