Knowledge checks


Layers in the Internet protocol stack.



Match the function of a layer in the Internet protocol stack to its its name in the pulldown menu.



Question List:
Answer List:
  1. Transport layer

  2. Physical layer

  3. Link layer

  4. Application Layer

  5. Network layer


 

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1/4

What’s a “packet” really called?



Match the name of an Internet layer with unit of data that is exchanged among protocol entities at that layer, using the pulldown menu.



Question List:
Answer List:
  1. Bit

  2. Datagram

  3. Message

  4. Segment

  5. Frame


 

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2/4

Protocol headers.



Consider the figure below, showing a link-layer frame heading from a host to a router.  There are three header fields shown.  Match the name of a header with a header label shown in the figure.



Question List:
Answer List:
  1. Transport layer

  2. Link layer

  3. Application layer

  4. Physical layer

  5. Network Layer


 

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3/4

What is "encapsulation"?



Which of the definitions below describe what is meant by the term "encapsulation"?




 

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4/4

We gratefully acknowledge the programming and problem design work of John Broderick (UMass '21), which has really helped to substantially improve this site.

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