Chapter 7 Review Practice Quiz

Which OSI layer is responsible for

setting up, maintaining, and ending ongoing information exchanges across a network?

• 6

• 3

• 2

• 5

Layers acting as though they communicate directly with each other across the network are called which of the following?

• Partners

• Synchronous

• Interchangeable

• Peers

The addition of information to a PDU as it’s passed from one layer to the next is called which of the following?

• PDI transforming

• Encapsulation

• Deencapsulation

• Converting

Which OSI layer creates and processes frames?

Which OSI layer handles flow control, data segmentation, and reliability?

• Application

• Physical

• Transport

• Data link

When and how many times is a CRC calculated?

• Once, before transmission

• Once, after receipt

• Twice, once before transmission and

  again on receipt

• At the source and destination and at

  each intermediary device

Which term refers to stripping header

information as a PDU is passed from one layer to a higher layer?

• Deencapsulation

• Encapsulation

• PDU stripping

• Packetization

Which of the following elements might the Data Link layer add to its PDU? (Choose all that apply.)

• Physical addresses

• Logical addresses

• CRC

• Data

What are the names of the 2 sublayers of the Data Link Layer? 

• Logical Media Control and Media Link Control 

• Physical Media Control and Media Access Control

• Logical Link Control and Media Transmission Control 

• Logical Link Control and Media Access Control

What is the name of the PDU in use at the Transport layer of the OSI model? 

• Packet 

• Frame 

• Bit 

• Segment