Free Access Huawei.H12-711_V3.0-ENU.v2022-08-23.q308 Practice Test (Page 2)

Question 1

Regarding the description of the firewall fragment caching function, which of the following options are correct? (Multiple choice)

A.After configuring the direct forwarding of fragmented packets, the firewall will forward fragmented packets that are not the first fragment of packets according to the inter-domain security policy

B.By default, the firewall caches fragmented packets

C.By default, the maximum fragment cache number of an IPV4 message is 32, and the maximum fragment cache number of an IPv6 message is 255

D.For fragmented packets, NAT ALG does not support the processing of SIP fragmented packets

Question 2

Regarding the description of TCP/IP protocol stack packet decapsulation, which of the following is correct? (Multiple Choice)

A.After the application layer receives the data message, the application layer information is stripped after parsing, and the final user data displayed is exactly the same as the data sent by the sender host

B.The data message is first transmitted to the data link layer. After parsing, the data link layer information is stripped, and the network layer information is known based on the analysis information, such as IP

C.After the network layer receives the data message, the network layer information is stripped after parsing, and the upper layer processing protocol is known based on the parsing information, such as HTTP

D.After the transport layer (TCP) receives the data message, the transport layer information is stripped after parsing, and the upper layer processing protocol is known based on the parsing information, such as UDP

Question 3

aboutTCP/IPDescription of protocol stack packet decapsulation, which of the following is correct? (multiple choice)

A.The data packet is first transmitted to the data link layer. After parsing, the data link layer information is stripped, and the network layer information is known according to the parsing information, such as:IP

B.After the application layer receives the data packet, the application layer information is stripped after parsing, and the final displayed user data is exactly the same as the data sent by the sender host

C.After the network layer receives the data packet, the network layer information is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such as HTTP

D.transport layer (TCP) after receiving the data packet, the transport layer information is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such asUDP

Question 4

Which of the following is not part of a digital certificate?

A.Validity period

B.private key

C.Issuer

D.public key

Question 5

When the firewall upgrades the signature database and virus database online through the security service center, the firewall must first be able to connect to the Internet, and secondly, the correct DNS address must be configured.

A.True

B.False

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