ITN TOPIC 1.3

It is the information to be communicated. Popular forms of information include text, pictures, audio, video and etc.

• Sender

• Transmission Medium

• Message

• Protocol

It is a set of rules that governs the data communications. It represents an agreement between the communicating devices

• Protocol

• Transmission Medium

• Receiver

• Message

________ is the process of putting a sequence of characters into a specialized format for efficient transmission

• Encoding

• Decoding

__________ the conversion of an message back into the original sequence of characters.

• Encoding

• Decoding

Based on the figure, identify what type of message delivery options?

• Unicast Message

• One-to-all delivery

• Multicast Message

How many layers in OSI Model?

• 5

• 6

• 7

• 8

What are the seven-layers of the OSI reference model?

• Application, presentation, session, transport, network, data link, physical

• Application, presentation, dialog, transport, network, datalink, bit

• Application, data format, dialog, end-to-end connection, network, datalink, bit

• Application, data format, dialog, transport, network,datalink, bit

Which layer specifies voltage, wire speed, and pinout cables between devices?

• Session

• Data Link

• Physical

• Application

Which Layer manages device addressing, tracks the location of devices on the network?

• Session

• Application

• Presentation

• Network

Select which layer in OSI model that manage end-to-end message delivery

• Network

• Presentation

• Transport

• Data Link