Introduction to network

Data flow between two walkie-talkies occur in a _____ way

• simplex

• half-duplex

• multiplex

• full-duplex

The information to be communicated in a data communication system is the ____

• medium

• protocol

• message

• nodes

A ____ refers to the physical or logical arrangement of a network

• data-flow

• mode of operation

• topology

• protocol

Before data can be transmitted, they must be transformed to ____

• periodic signals

• electromagnetic signals

• aperiodic signals

• low-frequency sine waves

Data communication system within a building or campus is _____

• LAN

• MAN

• PAN

• WAN

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

• medium

• nodes

• signal

• packet

An authorized user is a network ____ issues.

• reliability

• security

• connectivity

• performance

Which of the following applications is more sensitive to delay?

• sending an email

• copying a file

• video conferencing

• Internet browsing

____ topology has the most reliable connection.

• Mesh

• Bus

• Ring

• Star

____ topology has the most scalable connection.

• Mesh

• Bus

• Ring

• Star