WAF devices can effectively and accurately resist CC attacks. Which of the following descriptions of CC attacks is incorrect?

WAF devices can effectively and accurately resist CC attacks. Which of the following descriptions of CC attacks is incorrect?
A . CC attack is a type of DDoS attack
B . The attack cost of CC attacks is relatively high, and launching an attack requires a large amount of bandwidth resources.
C . CC attacks can use proxy servers to launch attacks, making it difficult to trace the source of the attack.
D . CC attacks are mainly used to attack web servers, causing server resources to be exhausted and even shut down.

Answer: B