CHAPTER 1

Question 1

_______________ are the transfer of data from one device to another via some form of transmission medium.

Answer 1

Data communications

Question 2

The five components that make up a data communications system are the

Answer 2

message, sender, receiver, medium, and protocol.

Question 3

Data flow between two devices can occur in one of three ways: simplex, half-duplex, or full-duplex.

Answer 3

simplex, half-duplex, or full-duplex.

Question 4

__________ is a set of communication devices connected by media links.

Answer 4

A network

Question 5

Topology refers to the physical or logical arrangement of a network. Devices may be arranged in a ___________ ____________ _____________ AND _________________

Answer 5

mesh, star, bus, or ring topology.

Question 6

____________ is a data communication system within a building, plant, or campus, or between nearby buildings.

Answer 6

A LAN

Question 7

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

Answer 7

A WAN

Question 8

___________ is a set of rules that govern data communication; the key elements of
a protocol is syntax, semantics, and timing.

Answer 8

A protocol

Question 9

______________ are necessary to ensure that products from different manufacturers can work together as expected.

Answer 9

Standards

Question 10

An _____________is a thoroughly tested specification that is useful to and adhered to by those who work with the Internet.

Answer 10

Internet standard