A. MAC

B. IP

C. Data

D. TCP/UDP

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

A. Major cybersecurity incident

B. Major cybersecurity incident

C. General cybersecurity incidents

D. Special Cybersecurity Incident

A. False

B. True

A. Relative Distinguished Name RDN, the name of the entry, uniquely identifies child entries of the same parent entry

B. Directory Information Tree DIT: A collection of attributes constitutes a Directory Information Tree.

C. Unique identifier DN, the name that uniquely identifies an entry in a directory information tree

D. Attribute: The attribute describes the characteristics of the object. An attribute consists of an attribute type and one or more attribute values.

A. The security profile can take effect even if the action is allowed under the security policy

B. If the security policy action is"allow", the traffic will not match the security profile

C. If the action of the security policy is"prohibit", the device will discard this traffic, and will not perform content security checks in the future.

D. The security profile must be applied under the security policy whose action is allowed to take effect

A. Each tunnel carries only oneL2TPsession andPPPconnect

B. each access user andLNSestablish a tunnel between

C. Each tunnel carries multipleL2TPsession andPPPconnect

D. Each tunnel carries multipleL2TPsession and aPPPconnect

A. False

B. True

A. Adjust the order of security policies without saving configuration files and take effect immediately

B. HuaweiUSGThe number of security policy entries for the series firewall cannot exceed128strip

C. When configuring a security policy name, the same name cannot be reused

D. If the security policypermit, the discarded packets will not be accumulated"Hits"