Briefing Zend Knowledge

Which combination of the following filtering techniques prevents cross-site scripting (XSS) vulnerab

Which combination of the following filtering techniques prevents cross-site scripting (XSS)
vulnerabilities?

A.
Strip all occurrences of the string $lt; script.

B.
Strip all occurrences of the string javascript.

C.
Enable magic_quotes_gpc .

D.
None of the above.