What type of network links computers and workstations,usually within one building?
A) satellite communication
B) global positioning
C) personal digital
D) wide area
E) local area
What feature allows people in remote locations to work simultaneously on one document?
B) voice mail
D) digital information service
E) text messaging
In client-server networks,who or what is the usual client?
A) the computer through which users make requests for information
B) the application through which users answer information requests
C) the customer who does business online
D) the supplier who checks the availability of components
E) the network which supports the database and software systems
What feature does a firewall provide?
A) Internet access
B) protection from electrical surges
C) connectivity between stations in a LAN
D) privacy protection
E) links to computers in a WAN