Computer Networks Part 1

What is a computer network?

• A system that powers computers
• A group of computers that store data
• A group of connected computers that share resources
• A backup storage device

Which of these is a type of network?

• USB
• HTTP
• LAN
• CPU

Which network connects computers over a large geographical area?

• LAN
• WLAN
• WAN
• PAN

Which of these is an example of a WAN?

• Bluetooth
• Wi-Fi
• Ethernet
• The Internet

What does WLAN stand for?

• Wired Local Area Network
• Wireless Large Area Network
• Wireless Local Area Network
• Wide Local Area Network

How is a WLAN different from a LAN using cables?

• It uses more devices
• It has more wires
• It allows movement with connected devices
• It needs no electricity

What is Bluetooth mainly used for?

• Watching movies online
• Connecting devices over short distances
• Printing large files
• Sending emails

Which of these is NOT a common network device?

• Switch
• Modem
• Keyboard
• Router

Which device connects different networks together?

• Hub
• Switch
• Router
• Bridge

Why are hubs rarely used today?

• They are too fast
• They overheat often
• They increase network traffic unnecessarily
• They are too expensive