Multiple Choice
One unique feature of instant messaging compared to SMTP or HTTP is that _____.
A) IM enables communication
B) IM lets people know whether other users are online
C) IM can be used to exchange files
D) IM can be used to send text messages
Correct Answer:

Verified
Correct Answer:
Verified
Q10: HTTP is an application layer protocol that
Q11: A URL is _.<br>A)used only to access
Q12: The web is an effective filter of
Q13: Inlinks are _.<br>A)links on a web page
Q14: Search advertising is _.<br>A)the placement of advertisements
Q16: In the URL http://ftp.net.usf.edu:80/favicon.ico,ftp.net.usf.edu indicates that _.<br>A)the
Q17: The only layer in the TCP/ IP
Q18: The <a> tag in HTML is used
Q19: IMAP and POP are used to _.<br>A)deliver
Q20: SMTP is used to _.<br>A)deliver email to