Unit 1 Networking Test Review Part 1

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

• A. Physical

• B. Transfer

• C. Presentation

• D. Data Link

Which layer defines the electrical and physical specifications for devices?

• A. Physical

• B. Transfer

• C. Presentation

• D. Data Link

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.

• A. data link/physical

• B. network/transfer

• C. physical/presentation

• D. session/transport

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

• A. Transfer

• B. Application

• C. Session

• D. Network

Which layer provides transparent data transfer between end users?

• A. Transport

• B. Application

• C. Session

• D. Network

Which layer controls the connections between computers?

• A. Transport

• B. Application

• C. Session

• D. Network

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

• A. Transport

• B. Presentation

• C. Session

• D. Network

Which layer is responsible for human interactions where applications can access the network resources?

• A. Transport

• B. Presentation

• C. Application

• D. Network

What is encapsulation?

• A. Compressing a packet

• B. Adding information to a packet

• C. Uncompressing a packet

• D. Removing information from a packet

Which of the following is true regarding decapsulation?

• A. Decapsulation adds information to a packet

• B. Decapsulation transforms 0s and 1s to the application layers human-readable data while maintaining the header and footer data

• C. Decapsulation transforms 0s and 1s to the network layers human-readable data while removing maintaining the header and footer data

• D. Decapsulation reverses the process of encapsulation