OSI Model

Question 1

Physical layer (L7)

Answer 1

Handles the physical connection and raw data transmission

Question 2

Data link layer (L2)

Answer 2

Manages node-to-node data transfer and error detection

Question 3

Network Layer (L3)

Answer 3

Responsible for data routing, addressing, and packet forwarding

Question 4

Transport Layer (L4)

Answer 4

Ensures complete and reliable data transfer

Question 5

Session Layer (L5)

Answer 5

Manages sessions and dialogues between applications

Question 6

Presentation Layer (L6)

Answer 6

Translates and encrypts data for the application layer

Question 7

Application Layer (L7)

Answer 7

handles the network services to end-user applications