1. Which of the following is NOT a layer of the OSI Model?

• Physical
• Transfer
• Presentation
• Data Link

2. Which group was responsible for developing the OSI Model?

• RSA
• FBI
• ISO
• CIA

3. Which layer defines the electrical and physical specifications for devices?

• Transfer
• Network
• Physical
• Presentation

4. The ______ layer provides the functional and procedural means to transfer data between network entities and to detect and possibly correct errors that may occur in the ______ layer.

• data link/physical
• network/transfer
• physical/presentation
• session/transport

5. Which layer provides the functional and procedural means of transferring data from a source to a destination via one or more networks?

• Transfer
• Application
• Session
• Network

6. Which layer provides transparent data transfer between end users?

• Transport
• Transfer
• Session
• Application

7. Which layer controls the connections between computers?

• Transport
• Data Link
• Session
• Physical

8. Which layer is responsible for data representation, encryption, and decryption?

• Transport
• Data Link
• Presentation
• Physical

9. Which layer is responsible for identifying communication partners and determining resource availability?

• Session
• Application
• Network
• Transfer

10. What is encapsulation?

• Compressing a packet
• Adding information to a packet
• Uncompressing a packet
• Removing information from a packet