TCP/IP #1

TCP/IP #1

by BSN Computing

Multiple Choice

How many Internet connected devices are there expected to be by 2025?

• 25 billion

• 50 billion

• 100 billion

• 75 billion

Multiple Choice

You want to stream a video on a website. You are using a smartphone connected to the Internet via a 4G connection.

The video is stored on a webserver in another country.

 How does the video get to your phone?

• It is split into small data packets which take seperate routes through Internet routers

• It is transferred as one large file using FTP

• It is sent to you as an e-mail attachment

Multiple Select

Choose all the true statements about the layers in the TCP/IP protocol stack ...

• Each layer produces a result which is either passed to the next lower or higher layer

• Layers cannot be missed out

• Both sending device and receiving devices make use of all layers of the stack

• Not every communication uses every layer of the stack

Multiple Choice

How many layers are there in the TCP/IP protocol stack?

• 3

• 4

• 5

• 8

Multiple Choice

Which is the correct order of layers, from highest to lowest in terms of abstraction ...

• Application

  Transport

  Internet

  Link

• Application

  Internet

  Transport

  Link

• Link

  Internet

  Transport

  Application

• Link

  Transport

  Internet

  Application

Multiple Choice

Which layer of TCP/IP protocol stack does this?

"establish a channel between the two devices and split the data into packets"

• Application

• Transport

• Internet

• Link

Multiple Choice

Which layer of TCP/IP protocol stack does this?

"responsible for transporting the raw data over the transmission medium. This includes generating the right type of signal for the connection type"

• Application

• Transport

• Internet

• Link

Multiple Choice

Which layer of TCP/IP protocol stack does this?

"responsible for how user applications, such as email and web browsers, package their data to be sent online"

• Application

• Transport

• Internet

• Link

Multiple Choice

Which layer of TCP/IP protocol stack does this?

"The IP addresses of the sending and receiving devices are added to the packet header"

• Application

• Transport

• Internet

• Link

Multiple Choice

Which layer of the TCP/IP protocol stack represents the highest level of abstraction in data communications?

• Application

• Transport

• Internet

• Link

Multiple Choice

Which layer of the TCP/IP protocol stack represents the lowest level of abstraction in data communications?

• Application

• Transport

• Internet

• Link

Poll

How much of this lesson have you understoof?

• None of it

• Some of it

• Most of it

• Al