115. A virtual private network may include ________.

A. company intranet,

B. company extranet,

C. company LAN

D. All of these answers are correct

125. Which of these is NOT a network topology?

A. ring

B. bus

C. hub

D. star

129. ________ is the most common and most widely used LAN technology; it can be used with almost

any kind of computer; most microcomputers come with a port for this type of network connection.

A. fiber-optic

B. Internet

C. token ring

D. Ethernet

134. ________ is working from home; ________ is working from anywhere.

A. telework; telecommuting

B. intranet; extranet

C. telecommuting; telework

D. LAN; WAN