In the context of effective data communications, which of the following is NOT a key element?

• Delivery

• Accuracy

• Jitter

• Reliability

Frequency of failure and network recovery time after a failure are measures of the of a network.

• A. Performance

• B. Reliability

• C. Security

• D. Feasibility

Which topology requires a central controller or hub?

• A. Mesh

• B. Star

• C. Bus

• D. Ring

_______ defines how a particular pattern to be interpreted and what action is to be taken based on that interpretation.

• A. Semantics

• B. Syntax

• C. Timing

• D. None of the above

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

• A. point-to-point

• B. multipoint

• C. primary

• D. secondary

_______ refers to the physical or logical arrangement of a network.

• A. Data flow

• B. Mode of operation

• C. Topology

• D. None of the above

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

• Protocol

• Medium

• Signal

• Platform

A _______ is a data communication system spanning states, countries, or the whole world.

• A. MAN

• B. LAN

• C. WAN

• D. none of the above

A television broadcast is an example of _______ transmission.

• Simplex

• Half Duplex

• Full Duplex

• multipoint

Which organization has authority over interstate and international commerce in the communications field?

• ITU-T

• IEEE

• ISOC

• FCC