TDC1231 Lec1 Quiz

A local area network (LAN) is defined by _______________.

• the geometric size of the network
• the maximum number of hosts in the network
• the maximum number of hosts in the network and/or the geometric size of the network
• the topology of the network

The largest geographic area a wide area network (WAN) can span is _______________.

• a town
• a state
• a country
• the world

Which of the following is not one of the components of a data communication system?

• Message
• Sender
• Medium
• All of the choices are correct

Data can flow only in both direction all of the times in a _________ mode.

• simplex
• half-duplex
• full-duplex
• None of the choices are correct

In a _____________ communication, the media is dedicated.

• point-to-point
• multipoint
• mesh
• None of the choices are correct

In a fully connected mesh topology with six computers, we need ________ links.

• 6
• 36
• 15
• None of the choices are correct

In a star topology with six computers, we need ________ links.

• 6
• 2
• 5
• None of the choices are correct

Which of the following is not one of the network criteria?

• Performance
• Reliability
• Security
• All of the choices are correct