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Discovering computer networks: hands on in the Open Networking Lab
Discovering computer networks: hands on in the Open Networking Lab

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2.1 Internet Protocol (IP) addressing

In this first part of Session 2 you will look in more detail at IP addresses for devices that are connected to a network. You’ll see that the IP address tells us about the device itself, and the network it is connected to.

These ideas will be demonstrated using a simulation of a home network. The simulation has different devices connected to the network. Data can be sent between devices in the network using a command called ping.

Later you will be able to try the ideas out for yourself.

To begin with, watch the video below which is about 7 minutes long. Feel free to make some notes as you watch it, if you like.

Introduction to IP addressing

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Try the following quick quiz to see how much you have picked up from the video.

Activity 1 Test yourself

5 minutes

On the network in the video, which of these IP addresses will work?

a. 

(a) 192.168.0.14


b. 

(b) 191.168.0.150


c. 

(c) 192.150.0.200


d. 

(d) 192.168.1.1


The correct answer is a.

Answer

(a) is the only one that will work on this network. (b) fails because in the first position it has 191 instead of 192. (c) fails because in the second position it has 150 instead of 168. (d) fails because in the third position it has 1 rather than 0.