______________ is the attacker’s ability to send a single HTTP request that forces the web server to form an output stream, which is then interpreted by the target as two HTTP responses instead of one response, in the normal case.

A.
HTTP response splitting

B.
HTTP XSS

C.
HTTP DNS poisoning

D.
HTTP DNS redirect

Explanation:
The essence of HTTP Response Splitting is the attacker’s ability to send a single HTTP request that forces the web server to form an output stream,which is then interpreted by the target as two HTTP responses instead of one response, in the normal case.