MCQ PRACTICE TESTS: INTRODUCTION TO DATA COMM.

This was the first network.

ARPANET

Which topology requires a multipoint connection?

Bus

Which agency developed standards for physical connection interfaces and electronic signaling specifications?

EIA

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

FCC

_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.

Forums

In the original ARPANET, _______ were directly connected together.

IMPs

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

LAN

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

Medium

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

Message

________ is an idea or concept that is a precursor to an Internet standard.

RFC

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

Reliability

An unauthorized user is a network _______ issue.

Security

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

Semantics

Which topology requires a central controller or hub?

Star

_______ refers to the structure or format of the data, meaning the order in which they are presented.

Syntax

_______ is the protocol suite for the current Internet.

TCP/IP

_______ refers to two characteristics: when data should be sent and how fast it can be sent.

Timing

Refers to the physical or logical arrangement of a network.

Topology

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

WAN

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

full-duplex

________ is a collection of many separate networks.

internet

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

multipoint

In a ________ connection, three or more devices share a link.

multipoint

A _______ connection provides a dedicated link between two devices.

point-to-point

In a ______ connection, two and only two devices are connected by a dedicated link.

point-to-point

A ________ is a set of rules that governs data communication.

protocol

A television broadcast is an example of _______ transmission.

simplex

Communication between a computer and a keyboard involves ______________ transmission.

simplex