The incorrect choice about Spim is ( )?
A. The spim typically contains a link to a Web site that the spimmer is trying to market.
B. Spim is a bit more intrusive than spam due to the nature of IM itself.
C. Spim is the IM equivalent of spam and is perpetuated by bots
D. Anti-virus program on your system will help reduce receiving Spim.
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The disadvantage of Internet telephony is ( ).
A. Free to call.
B. Quality of call.
Connecting to all the place.
D. A, B and C.
VoIP hardware and software work together to use the Internet to transmit telephone calls by sending voice data in packets using ( )
A. IP
B. traditional circuit transmissions.
C. IP and traditional circuit transmissions.
D. Radio
The incorrect choice about E-mail is ( ).
A. You can compose an e-mail message and send it to another person anywhere.
B. Some e-mail systems are confined to a single computer system or network.
C. It takes at least an hour for an e-mail to arrive at its destination.
D. E-mail is the transmission of messages over communications networks.
If you want to join Internet Relay Chat discussion ( ).
A. IRC client
B. Internet access
C. IRC host
D. A and B
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