Rolf wants to use Netscape Navigator to log on to an FTP server. This server does not
allow anonymous access. Which command allows Rolf to specify his user name and
password?

A.
No Web client allows user-based FP access

B.
ftp://username/password:hostname

C.
ftp://username/password

D.
ftp://username:password@hostname

Explanation:
Use the syntax of username:password@ to specify the username and
password.
Incorrect Answers:
A: This is not true, IE and Netscape allow the ftp:// notation.
B: This is no the correct syntax.
C: This is not the correct syntax.