GET / HTTP/1.1rn Connection: Keep-Alivern User-Agent: Mozilla/4.8 [en]C-CCK-MCD (Windows NT 5.0; U)rn Host: www.cisco.comrn Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png, */*rn Accept-Encoding:
gziprn Accept-Language: enrn Accept-Charset: iso-8859-1,*,utf-8rn In the above listed HTTP request, which lines are required (by RFC) for an HTTP 1.1 request?

A.
“GET / HTTP/1.1rn” and “User-Agent: Mozilla/4.8 [en]C-CCK-MCD (Windows NT 5.0; U)rn”

B.
“GET / HTTP/1.1rn”, “Host: www.cisco.comrn” and “Accept-Language: enrn”

C.
“GET / HTTP/1.1rn”

D.
“GET / HTTP/1.1rn” and “Host: www.cisco.comrn”

E.
All lines are required