If a server has inbound Port 21 open, what service is it running?

A. File Transfer Protocol
B. Simple Mail Transfer Protocol
C. Hypertext Transfer Protocol
D. Kerberos


A. Port 21 corresponds to the File Transfer Protocol (FTP). The Simple Mail Transfer Protocol (SMTP) uses Port 25 . The Hypertext Transfer Protocol (HTTP) uses Port 80 . Kerberos uses Port 88.

Computer Science & Information Technology

You might also like to view...

When an exception occurs it is said to have been ________.

a. caught. b. thrown. c. declared. d. handled.

Computer Science & Information Technology

When referenced by the font-family property, a specific font refers to a font ______ that isstored on a user's computer.

A. definition B. style C. format D. color

Computer Science & Information Technology

The element contains all the content displayed in the browser window

Indicate whether the statement is true or false

Computer Science & Information Technology

Most switches are transparent, which means they learn by themselves.?

Answer the following statement true (T) or false (F)

Computer Science & Information Technology