OSI Model Layers

Which layer of the OSI model is responsible for managing protocols like HTTP and SMTP?

• A. Presentation

• B. Application

• C. Transport

• D. Network

At which layer of the OSI model does data encryption and decryption occur?

• A. Application

• B. Session

• C. Presentation

• D. Transport

What is the primary function of the Session layer?

• A. Establishing, maintaining, and terminating communication sessions between devices

• B. Converting data into a readable format for the receiving device

• C. Managing error checking and flow control

• D. Determining the best path for data transmission

The Transport layer is responsible for which of the following?

• A. Breaking down data into packets

• B. Routing data across networks

• C. Breaking down data into segments and reassembling them

• D. Encrypting data for secure transmission

Which layer of the OSI model handles flow control and ensures that data is sent at an optimal speed?

• Data Link

• Transport

• Network

• Physical

Which device is primarily associated with the Network layer?

• Switch

• Router

• Repeater

• Bridge

What is the role of the Data Link layer in the OSI model?

• It manages encryption and decryption.

• It handles the routing of packets between networks.

• It transmits data from node to node within a network.

• It breaks data into frames for transmission over cables.

At the Physical layer, data is transmitted as:

• Frames

• Packets

• Segments

• Binary bits

Which layer is directly involved with the hardware components like cables and wireless signals?

• Data Link

• Network

• Physical

• Transport

Which of the following best describes the process performed by the Presentation layer?

• It finds the best path for data to travel between networks.

• It converts data formats and compresses data for transmission.

• It handles synchronization between sender and receiver.

• It is responsible for establishing a session between two devices.