Data Communication chap 1-3

A local network area Lan is definded by

• a

• the geometric size of the network

the largest geographic are a wide area network Wan can span is

• a

• the world

a proposed standard is elevated to ________ standard status after at least two successful tries.

• a

• draft

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

• a

• All of choices are correct

Which of the following is not one of the characteristics of a data communication system

• a

• All of the choices are correct

Data can flow only in one direction all of the times in a ____ mode

• a

• simplex

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

• a

• full duplex

Which of the following is not one of the network criteria

• a

• Performance

In a ____ communication, the media needs to be shared between devices

• a

• multipoint

In a _____ communication, the media is dedicated

• a

• point to point