OSI Model MCQs

How many layers are there in the OSI model?

• 5

• 6

• 7

• 8

Which layer is responsible for encryption and compression?

• Transport

• Presentation

• Session

• Application

What layer does the IP address belong to?

• Data Link

• Transport

• Network

• Application

Which layer is responsible for reliable delivery and error checking?

• Data Link

• Transport

• Network

• Session

What is the main job of the Session Layer?

• Error detection

• Data translation

• Start, manage, and end sessions

• Address resolution

Which layer does the MAC address operate at?

• Network

• Transport

• Application

• Data Link

At which layer does HTTP operate?

• Session

• Application

• Transport

• Network

In the diagram, what is the purpose of encapsulation?

• Breaking data into parts

• Wrapping data with headers

• Encrypting the data

• Compressing the data

What does the Physical Layer transmit?

• Packets

• Frames

• Bits

• Segments

Which layer deals with port numbers like 80 or 443?

• Data Link

• Transport

• Network

• Application