Quiz 2 - Communications

1. Which one of the following is NOT true about e-mail?

a) E-mail is an effective and inexpensive way to communicate with people
b) E-mail can be used to distribute information quickly to many people at
         the same time.
c) E-mail can be web based or world wide access
d) E-mail is always a safe and secure way to send and receive messages

2. Which one of the following parts of the email address asmith@aol.com is known as the top level domain?

a) asmith     
b) .com
c) aol
d) @

3. Which one of the following is an advantage of email?

a) It eliminates the need for conventional surface mail
b) It is always a secure means of sending messages
c) It is a low cost way to transmit messages
d) Email messages can not contain viruses

4. Which of the following is a security mechanism used with email messages?

a) Digital certificate    
b) Digital signature
c) Photographic ID
d) Smart card

5. Which one of the following allows voice communication across the Internet?

a) VPN.  
b) IM.
c) VoIP.
d) SMS.