Alibaba Cloud Certified Associate – Cloud Computing — Question 9

Anti-DDoS is one of the major features in Alibaba Cloud Security Service. Many websites have experienced different types of DDoS attacks, an accurate understanding of DDoS is crucial to protecting websites. Which of the following descriptions about DDoS attack is the most accurate one?

Answer options

• A. The main target for DDoS attack is the database.
• B. DDoS attack will try to crack the password through a large number of attempts.
• C. The main purpose of DDoS attack is to make the target server unable to provide service normally, which is one of the network attacks that are most difficult to defend.
• D. The purpose of DDoS attack is to steal confidential information.

Correct answer: C

Explanation

Option C is correct as it accurately defines a DDoS attack's intent to incapacitate a server's ability to function normally, which is indeed one of the most challenging types of attacks to mitigate. Options A and D incorrectly focus on databases and information theft, which are not typical goals of DDoS attacks. Option B misrepresents DDoS attacks as password cracking attempts, which is not characteristic of such attacks.