Computer networks and the Interent

The devices that you use to view webpages are............

• Servers

• Clients

• Cables

• Routers

These contain and share information - where websites are located and the data that makes up webpages

• Severs

• Clients

• Cables

• Routers

What is the role of a router?

• To store information

• To save information on a network

• A device used to access data stored on the Internet

• To send and receive data between computer networks and across the Internet

Information is transferred across the Internet.

The information is too big to send in one go, so it is split up into smaller parts. These are called......

• Data parcels

• Data packets

• Data packages

• Data containers

Which of the following is NOT a Web browser?

• Microsoft Edge

• Chrome

• Google

• Safari

What allows information to travel between different internet devices?

• Cables

• Switches

• Servers

• Clients

Some of the data packets might travel different ways to get to your computer.

• True

• False

When you type in a URL or click on a hyperlink, a request is sent to a DNS server.

What does DNS stand for?

• Domain network server

• Dual naming system

• Domain name system

• Digital name software

What does a DNS server request?

• The data packet you want to send

• The IP address of the web service you are requesting

• Your IP address

• The router you are using

Data packets consist of two parts. What are they?

• Header and message

• Address and message

• Data and text

• Header and Payload