1. What modes Alibaba Cloud WAF will provide to defend SQL injection? (the number of correct answers: 2)(Select 2answers)

A) Restriction Mode
B) Normal Mode
C) Warning Mode
D) Protection Mode



2. If user is using anti-DDOS Pro service, but the original server has rule to limit access to the client IPs, which of the following actions is the most proper one to take?

A) disable original server firewall
B) add anti-DDOS pro IP into customer firewall white list
C) enable CDN and change anti-DDOS pro IP to CDN address
D) enable SLB for original server



3. Which of the following statements are true for how to login to different ECS operating system? (the number of correct answers: 2)(Select 2answers)

A) use 'remote desktop connection' for Linux
B) use 'ssh' tool for Linux
C) use 'remote desktop connection' for windows
D) use 'ssh' tool for windows



4. In Linux OS, if you want to set a file access privilege to read, write, and execute for the owner only, what octal number will reflect such settings correctly?

A) 777
B) 700
C) 766
D) 755



5. Which of the following descriptions of the shared responsibilities security model is CORRECT?

A) After beginning to use cloud service, the cloud service provider will become responsible for all of the userâ??s security.
B) After beginning to use cloud service, the user and the cloud service provider will be jointly responsible for cloud security, with each responsible for different layers of security.
C) After beginning to use cloud service, users must still take care of physical and environmental security.
D) After beginning to use cloud service, users only need to pay attention to the security of their own apps and data. All other security will be the responsibility of the cloud service provider.