When the Client Authentication method requires Manual Sign On, users must connect to which of
the following ports?

A.
TELNET to port 70, or HTTP to port 443

B.
TELNET to port 161, or HTTP to port 136

C.
TELNET to port 21, or HTTP to port 80

D.
TELNET to port 165, or HTTP to port 514

E.
TELNET to port 259, or HTTP to port 900