The transmission delay of a link can be computed by the length of the physical medium of the link divided by the speed of the light of that medium.

True

False

Question $9$

$0\mathrm{.}1pts$

The Internet service is modeled in layers. Hence, when a message is sent by an application running on a computer connected to the Internet, this message must be processed by each layer and encapsulated at each layer, typically with a header describing essential information needed for that layer.

True

False

Question $10$

$0\mathrm{.}1pts$

The Internet protocol stack typically contains four layers. Which of the following is not among the four layers?

The access layer