Which agency created standards for telephone communications and for network interfaces and public networks?

• IEEE

• ANSI

• ITU-T

• ISO

These ________ are rules that govern a communication exchange.

• Criteria

• Media

• Protocols

• Architecture

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

• Wire

• Medium

• Cable

• Signal

The performance of a data communications networks depends on _________

• The number of users

• The hardware and software

• The transmission media

• The message

The information to be communicated in a data communication systems is the ___________

• Message

• Medium

• Protocol

• Data

Which topology requires a central controller or hub?

• Star

• Mesh

• Bus

• Ring

Which topology requires a multipoint connection?

• Star

• Mesh

• Bus

• Ring

Communication between a computer and a keyboard involves ___________

• Simplex

• Half Duplex

• Full Duplex

• Half Simplex

In ____ transmission, the channel capacity is shared by both communicating devices at all times.

• Simplex

• Half Duplex

• Full Duplex

• Half Simplex

In this type of transmission, both the sender and receiver station can transmit and receive.

• Simplex

• Half Duplex

• Full Duplex

• Duplex