Chapter 14

Question 1

Application

Answer 1

The top layer of the model that directly interacts with the use. It is responsible for managing the protocols that allow meaningful data for the user

Question 2

Presentation

Answer 2

Used to prepare data ready for use in the application layer, such as translation, encryption etcc

Question 3

Session

Answer 3

Used for opening and closing the communication link between devices

Question 4

Transport

Answer 4

Used for breaking down the data from the session layer into segments

Question 5

Network

Answer 5

Used for breaking down segments into smaller units which are called packets, it is also responsible for routing which is finding the best path across each network

Question 6

Data link

Answer 6

Used for transmitting data from one node to node within the network

Question 7

Physical

Answer 7

Involves the physical equipment that is used to transmit data such as cables

Question 8

Packet

Answer 8

Unit of data in data transition

Question 9

Router

Answer 9

A network that uses a computer’s ip’s address to send data packets

Question 10

Switch

Answer 10

A network that uses a computer’s mac’s address to send data packets

Question 11

IP

Answer 11

A unique address given to a device normally by a router

Question 12

MAC

Answer 12

A unique address given to a device by the manufacturer