OSI Model

Question 1

Physical

Answer 1

Transmits raw bits stream over a physical layer

Question 2

Data Link

Answer 2

Defines the format of data on a network.

Question 3

Network

Answer 3

Decides which physical path to take.

Question 4

Transport

Answer 4

Transmits data using transmission protocols including TCP.

Question 5

Session

Answer 5

Maintains connections and is responsible for controlling ports and sessions.

Question 6

Presentation

Answer 6

Ensures data is a suitable format and this is where encryption occurs

Question 7

Application

Answer 7

Human-computer interaction layer, where application can access the network service