Forouzan Chap 1 - Intro to communications and networking

The ____________ is the physical path over which a message travels.

• Protocol

• Medium

• Signal

• All of the above

The information to be communicated in a data communications system is the

• Medium

• Protocol

• Message

• Transmission

The frequency of failure and network recovery time after a failure are measures of the _______ of a network.

• Performance

• Reliability

• Security

• Feasibility

An unauthorized user is a network _________ issuue.

• Performance

• Reliability

• Security

• All of the above

Which topology requires a central controller or hub?

• Mesh

• Star

• Bus

• Ring

Which topology requires a multipoint connection?

• Mesh

• Star

• Bus

• Ring

Communication between a computer and a keyboard involves _________ transmission.

• simplex

• half-duplex

• full-duplex

• automatic

A television broadcast is an example of _______ transmission.

• Simplex

• Half-duplex

• Full-duplex

• automatic

A _______ connection provides a dedicated link between two devices

• Point-to-point

• Multipoint

• Primary

• Secondary

In a _______ connection, more than two devices can share a single link.

• Point-to-point

• Multipoint

• Primary

• Secondary