What is the name for the unique number given to every device on a network so that data can be sent to it?
IP address
What is meant by an IPv4 address?
A 32-bit address made of four numbers separated by dots
Which term describes an address that is 128 bits long and written as groups of hexadecimal digits separated by colons?
IPv6 address
How many bits are used in an IPv4 address?
32 bits
Which of these is a valid IPv4 address?
192.168.0.1
Data is sent from a computer on one network to a computer on another network. Which device uses IP addresses to forward the data between the networks?
A router
A home router is switched off and, when it reconnects, it is given a different public IP address. What is this type of address called?
A dynamic IP address
Why must every device connected to the internet have its own unique IP address?
So that data can be sent to the correct device
A student uses a laptop on their home network. They take it on holiday and connect it to a hotel network. Why does the laptop now have a different IP address?
The laptop is now on a different network, which gives it a new address
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