Year 8 Networks - TICT Lesson 1

What is a computer network?

• A single computer connected to the Internet
• Two or more devices connected together to share data and resources
• A type of software that manages data
• A security system for computers

Which of the following is considered a network device?

• Printer
• Scanner
• Monitor
• Keyboard

What is a benefit of networking devices?

• Increases the cost of operations
• Allows devices to operate independently
• Enables sharing of hardware like printers
• Reduces the need for security

What could happen if the central file server fails in a network?

• Data access is uninterrupted
• No one can access their data or files
• Network costs decrease
• Printers will print faster

What is a network interface card (NIC) used for?

• It powers the devices
• It lets devices connect to the network
• It makes the devices operate faster
• It protects the devices from viruses

What is the difference between a hub and a switch?

• A hub is more expensive than a switch
• A hub is less secure as it sends data to every device
• A hub uses a unique address to locate devices
• There is no difference; they perform the same function

Why might switches be preferred over hubs in large organizations?

• They are less expensive
• They reduce the risk of data collisions
• They replicate data better
• They require less energy

What is a router used for in a network?

• To connect different types of software
• To generate electricity for devices
• To connect different networks together
• To print documents from the network

What are Ethernet cables used for in a network?

• To power devices
• To connect devices and hardware together
• To make the devices look better
• To cool the devices down

Which technology can be used to connect devices in a network without cables?

• Ethernet

• WiFi
• USB
• HDMI