A.In the process of source authentication, the firewall triggers the client to send a DNS request with TCP packets to verify the validity of the source IP, but it will consume the TCP connection resources of the DNS cache server to some extent.

B.Redirection can be implemented not only for the source IP address of the attacked domain name, but also for the destination IP address of the attacked domain name.

C.DNS request flood attack on the cache server can use the redirection mode to verify the validity of the source.

D.For the DNS request flood attack of the authorization server, you can trigger the client to send a DNS request with a TCP packet to verify the validity of the source IP address.

A.The core of C.IAE is to organically centralize all content security-related detection functions.

B.Full English name: intelligent Awareness Engine.

C.The security detection of the IAE engine is parallel, using a message-based file processing mechanism, which can receive file fragments and perform security checks.

D.lAE's content security detection functions include application identification and perception, intrusion prevention, and Web application security.

A.False

B.True

A.Unrecognized file type

B.File corruption

C.The file extension does not match.

D.The file is compressed

A.The management server of the management center is responsible for the cleaning of abnormal traffic, as well as the collection, analysis, aggregation, and storage of service data, and is responsible for reporting the summarized traffic to the management server for report presentation.

B.The data collector and management server support distributed deployment and centralized deployment. Centralized deployment has good scalability.

C.The data collector is responsible for abnormal traffic cleaning, centralized device management configuration, and business report presentation.

D.Management Center is divided into two parts: management server and data collector.