Data Risk Control feature has been integrated into Alibaba Cloud WAF. When this function is activated, a script must be embedded into the page that wishes to be protected under the corresponding domain name to check whether a client is trustworthy. Which type of script is it?

A. JavaScript

B. C++

C. Vbscript

D. Java

You have set an alert policy for the disk usage of an ECS instance by using Alibaba Cloud CloudMonitor Each measurement cycle lasts for 5 minutes, during which the average disk usage is measured If the average disk usage exceeds 80% for five consecutive measurement cycles, an alert will be reported After your average disk usage exceeds 80%, how long will it take to receive an alert with the best case scenario?

A. 30 minutes

B. 0 minutes

C. 40 minutes

D. 20 minutes

After opening the Task Manager in Windows, you can easily see abnormal processes whose names do not comply with English grammar or computer naming conventions or contain random strings. Which of the following processes may be abnormal? (Number of correct answers: 4)

A. svchost exe

B. nihao exe

C. Ikdhpec exe

D. RegSrvc exe

E. eeosec exe

F. 466363.exe

When the agent of Alibaba Cloud Security Center running on a server, it normally uses less than 1% of the CPU and 10 MB of memory, which can void affecting the server's performance

A. True

B. False

Users can detach the Security Center client on Alibaba Cloud ECS instances, and reinstall it later when necessary.

A. True

B. False