The response from a server includes the header ETag: W/”7eb8b94419e371767916ef13e0d6e63d”. Which statement is true?
A. The ETag has a Strong validator directive.
B. The ETag has a Weak validator directive, which is an optional directive.
C. The ETag has a Weak validator directive, which is a mandatory directive.
D. The ETag has a Strong validator directive, which it is incorrectly formatted.
