1. Which of the following statements is TRUE about Anti-DDOS basics?

A) it can only protect servers outside of Alibaba Cloud
B) it is free to charge
C) need to turn on manually
D) There is no service limitation for peak traffic



2. What will the correct stops the traffic will flow through if the user used all following cloud service: WAF, Anti-DDOS pro, CDN.

A) CDN- >Anti-DDOS Pro->WAF->Original Website
B) Anti-DDOS Pro->CDN->WAF->Original website
C) CDN- >WAF->Anti-DDOS Pro->Original website
D) Anti-DDOS Pro->WAF->CDN->Original website



3. If your company's official website is tampered, the consequence of such attack could NOT be:

A) Website is used for some illegal attempts
B) Public image or reputation of your company is damaged
C) Business is impacted
D) Physical server is damaged



4. If WAF service user updated web page content after turning on website tampering protection, what does user need to do on WAF console?

A) Update cache
B) turn on protection switch manually
C) add one protection rule
D) restart the whole WAF service



5. Which of the following methods can't be used to prevent SQL injection attack?

A) Strict input check
B) Use secured function call
C) SQL precompiling and variable binding
D) Warning message for abnormal input