H12-711_V4.0 試験問題を無料オンラインアクセス

Which security zone can be deleted and its priority can be reconfigured?

• A.DMZ
• B.Untrust
• C.Trust
• D.ISP

In most cases, a user applies for a local certificate from a CA, and the CA approves the application and issues the certificate to the user.

• A.TRUE
• B.FALSE

Which of the following is the numbering range of Layer 2 ACLs?

• A.@2000~2999
• B.The 3000~3999
• C.The 1000~1999
• D.The 4000~4999

According to the level protection requirements, which of the following behaviors belong to the scope of information security operation and maintenance management? ( )*

• A.Participate in information security training
• B.Backup or restore data
• C.Develop an emergency response plan
• D.Security hardening of the host

Which of the following statements are correct about SYN flood attack defense technologies on Huawei firewalls?

• A.The TCP connection establishment rate can be limited to defend against SYN flood attacks.
• B.Interzone security policies can be configured to defend against SYN flood attacks.
• C.SYN cookie technology can be used to defend against SYN flood attacks.
• D.The number of half-open TCP connections can be limited to defend against SYN flood attacks.