Y8 Networking End of Unit Quiz

Which of the following is a difference between a WAN and a LAN?

• WAN covers a larger geographical area than LAN

• LAN is typically faster and more secure than WAN

• WAN is limited to a single building or campus

• LAN uses the internet to connect different devices

The World Wide Web uses the Internet to transfer data

• True

• False

One example of a LAN is the Internet

• True

• False

Every device on a network needs an IP address

• to hide that device amongst all the other devices on the network

• to confuse other devices
• to confuse hackers

• to uniquely identify and communicate with other devices on the network

A Local Area Network would be unsuitable for

• A school

• A police station

• An office

• A nationwide network of supermarkets

One example of a WAN is the Internet

• True

• False

When Andrew enters the address for a website, how does a DNS server help him access the site?

• The DNS server turns the website address typed in into an IP address.

• The DNS server increases the website's loading speed.

• The DNS server provides encryption for the data sent to the website.

• The DNS server stores files from the website.

The website data is retrieved from the web server and sent across to be displayed in the user's browser window. Which technology is primarily used to send data across the Internet?

• Circuit switching

• Packet switching

• Frequency modulation

• Amplitude modulation

Data from websites is split into packets because...

• A webpage is too big to send in one piece

• It's more organised

• It reminds people of posting envelopes so it makes more sense

• It's more secure than using direct messaging

A LAN can be set up in different topologies. Identify this topology.

• Star

• Ring

• Bus

• Mesh