Exercise ITT300 : Chapter 1 & Chapter 2

Choose THREE(3) components in Data Communications.

• Protocol

• devices

• message

• medium

The_________ is the physical path over which a message travel

• protocol

• medium

• signal

• all of the above

Name TWO(2) criteria of the successful of network in data communication

• protocol

• reliability

• devices

• performance

An unauthorized user is a network ________issue

• reliability

• security

• performance

• all of the above

Which of the topology require a central controller or hub?

• ring

• mesh

• bus

• star

Communication between a computer and a keyboard involves ________transmission

• simplex

• half-duplex

• full-duplex

• automatic

Name THREE(3) elements of protocols

• timing

• semantics

• communications

• syntax

Name (2) type of network topology that can be implement in MAN

• star

• mesh

• bus

• ring

In OSI model, layer 3 is known as _____________

• presentation

• network

• session

• transport

TCP/IP is a _________ hierarchical protocol suite developed ____________the OSI model

• three layer, after

• seven layer, before

• four layer, after

• seven layer, after