A.is an active, static security defense technology.

B.Unable to detect violation of security policy.

C.Can detect authorized and non-authorized intrusions.

D.Cannot find the trace of the system being attacked.

A.The cloud cleaning service that is closer to the target being attacked will be transferred first.

B.If there is a large traffic attack in the network, send it to the cloud cleaning center to share the cleaning pressure.

C.Because the Cloud Cleaning Alliance will direct larger attack traffic to the cloud for cleaning, it will cause network congestion.

D.Normal attacks are usually cleaned locally first.

A.POP3

B.FTP

C.IMAP

D.TFTP

A.The principle of HTTPS flood attack is to initiate a large number of HTTPS connections to the target server, resulting in exhaustion of server resources and failure to respond to normal requests.

B.HTTPS flood defense mode includes basic mode, enhanced mode, and 302 redirects.

C.The principle of HTTPS Flood attack is to use the URI that involves database operations or other URIs that consume system resources, causing server resources to become exhausted and unable to respond to normal requests.

D.HTTPS flood defense can perform source authentication by limiting the packet request rate.

A.Mail with source address 10.18.1.0/24 will be blocked

B.Mail with source address 10.17.1.0/24 will be blocked

C.Mail with source address 10.18.1.0/24 will be released

D.Mail with source address 10.17.1.0/24 will be released