WJEC Digi Tech - 1.2 - 4: The Internet

What is the internet?

• A) A single network that connects computers globally

• B) A global network of networks (interconnected networks)

• C) A local area network

• D) A database of domain names

What is the primary purpose of the Domain Name System (DNS)?

• A) To encrypt data sent over the internet

• B) To distribute IP addresses to devices

• C) To allow users to look up the IP address associated with a domain name

• D) To store information on the World Wide Web

How long are IPv4 addresses?

• A) 2 bytes long

• B) 4 bytes long

• C) 6 bytes long

• D) 8 bytes long

What does "Modes of connection" refer to in the context of networking?

• The type of software used for browsing the internet

• The speed at which a computer operates

• The way in which we choose to communicate over a network

• The brand of router installed in a network

What is the most common type of network cable used in a wired network?

• Coaxial cable

• Fiber optic cable

• Ethernet cable

• USB cable

Which technology allows devices to connect to the internet at high speed without the need for a physical connection?

• Ethernet

• Wi-Fi

• Bluetooth

• NFC (Near Field Communication)

What is a disadvantage of wireless networks compared to wired networks?

• Wireless networks are more expensive to install

• Wireless networks have faster bandwidth

• Wireless networks can be affected by walls and distance from the router

• Wireless networks require cables to be run to all rooms

What is an Internet Service Provider (ISP) responsible for?

• Providing internet access only

• Providing email addresses and web hosting

• Supplying the equipment such as the router

• All of the above

What are the two main types of broadband Internet connection methods?

• Dial-up and DSL

• Cable and satellite

• Fibre to the cabinet (FTTC) and Fibre to the premises (FTTP)

• Wi-Fi and mobile data

How does light travel in a fibre optic cable?

• By flowing like electricity through a wire

• By bouncing off the walls of the cable repeatedly with internal mirror-like reflection

• By being transmitted directly without any reflection

• By converting into sound waves and then back into light