The internet is a global network of computers that use protocols and data packets to exchange information. There are a range of different protocols to do different jobs on the network.
What is a web browser?
Software used for streaming films over the internet
Software that allows the user to access web pages, documents and web applications on the internet
Software used for sending emails
What is needed for a broadband connection to the internet?
A modem, a switch, an ISP and a wired or wireless connection
An ADSL modem, a switch, an ISP and a wired or wireless connection
An ADSL modem, an ISP and wired or wireless connection
What can affect the speed of data transfer over a telephone line?
Whether or not someone is using the telephone
The quality of the telephone line and the distance between the modem and the telephone exchange
The distance between the modem and the telephone exchange
Which type of connection is preferable for streaming high-definition video?
Which of the following is true?
Fibre optic cable is cheaper and has a higher data transfer rate than copper cable
Fibre optic cable is more expensive but has a higher data transfer rate than copper cable
Fibre optic cable is more expensive and has a slower data transfer rate than copper cable
What is a protocol?
A protocol is a set of rules that defines how devices communicate
A protocol is the unique reference number for each device that needs to communicate
The component that connects a device to a network
What does the hypertext transfer protocol (HTTP) do?
It is used to transfer large files and is often used for organising files on a web server for a website
It transfers web pages from web servers to the client
It is used to communicate with mail servers to send emails.
What does compressing a file do?
It increases the quality of a file
It changes the content of a file
It reduces the size of a file
What is a buffer?
A temporary storage space where data can be held and processed
A permanent storage space where data can be held and processed
It stops corrupt data being downloaded onto your computer
What happens at the 'handshaking' between two devices?
The client requests access, the server grants it, and the protocols are agreed
The server requests access, the client grants it, and the protocols are agreed
Data packets are exchanged between the client and the server