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

Fill in the Blanks

are the sets of rules that computing devices follow in order to allow them to communicate.

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