1st 9 weeks Summative Review

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

• Physical

• Transfer

• Application

• Data Link

What is encapsulation?

• Compressing a packet

• Adding information to a packet

• Uncompressing a packet

• Removing information from a packet

Encapsulation transforms the network layer's data to 0's and 1's

• True

• False

Which of the following is true regarding decapsulation?

• Decapsulation adds information to a packet

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

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

• Decapsulation reverses the process of encapsulation

Which of the following guarantee data arrival and error-checking?

• XMP headers

• TCP headers

• UDP headers

• AES headers

A(n) ______ is the largest packet or frame size that can be sent in a packet- or frame-based network such as the internet.

• TCP

• IDP

• MTU

• SFX

Which layer defines the electrical and physical specifications for devices?

• Transfer

• Network

• Physical

• Presentation

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

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

• The transport layer

• Application layer

• Session layer

• Network layer

Which layer controls the connections between computers?

• Transport

• Session

• Physical

• Data link