Quiz on OSI Model

What does OSI stand for?

• Open Systems Interconnection

• Open Source Integration

• Operational Systems Interface

• Open Standard Interconnection

How many layers are there in the OSI Model?

• 8

• 6

• 5

• 7

Which layer is responsible for the actual physical connection between devices?

• Network Layer

• Transport Layer

• Physical Layer

• Data Link Layer

What is the main function of the Data Link Layer?

• Routing packets

• Error detection and correction

• Data encryption

• Establishing sessions

Which layer is responsible for end-to-end delivery of messages?

• Session Layer

• Transport Layer

• Application Layer

• Network Layer

What does the Presentation Layer do?

• Establishes connections

• Transmits bits

• Formats and encrypts data

• Routes packets

Which protocol operates at the Application Layer?

• IP

• TCP

• UDP

• SMTP

What is the role of the Session Layer?

• Packet routing

• Connection management

• Data formatting

• Error detection

Which layer adds MAC addresses to frames?

• Transport Layer

• Data Link Layer

• Network Layer

• Application Layer

What is the main function of the Network Layer?

• Data encryption

• Error correction

• Session management

• Routing and addressing