H12-711_V3.0 試験問題を無料オンラインアクセス

Which of the following isP2DRThe core part of the model?

• A.Responseresponse
• B.Protectionprotection
• C.PolicyStrategy
• D.Detectiondetect

Which of the following descriptions about the DNS protocol is correct?

• A.The DNS protocol port number is 53
• B.If the DNS cache server does not have the domain name resolution cache to be queried, it will directly query the top-level domain name server
• C.DNS protocol transport layer can use either TCP or UDP
• D.There are four types of servers in the DNS domain name resolution system: root server, top-level domain name server, recursive server and cache server.

Database operation records can be used as ___ evidence to backtrack security events.[fill in the blank]*

( ) is an "indirect intrusion attack. This attack mode is to virtually place a computer controlled by an intruder between two communicating computers in a network connection through various technical means. (fill in the blank)

waiting for insurance2.0Which one of the stipulations"Spam should be detected and protected at key network nodes, and spam protection mechanisms should be upgraded and updated?

• A.Border Protection
• B.Malicious code prevention
• C.communication transmission
• D.Centralized control