Wired & Wireless Networks

• What is the specification code for the OCR exam board mentioned?

  J277
• What is required for wireless connections to function?

  A wireless network interface card (WNIC)
• How do wireless connections generally compare to wired connections in terms of speed?

  Wireless connections are generally slower
• What factors can affect wireless connection performance?

  Distance from the router and obstacles
• What physical cables are used in wired connections?

  Copper or fibre optic wires
• What is required for wired connections to connect to a network?

  A network interface card (NIC)
• What protocol is most commonly used for wired connections?

  Ethernet
• Compare wired and wireless networks in terms of movement, speed, security, and hardware.

  • Wired Networks:
  • Restricted movement
  • Faster speed
  • More secure
  • NIC required
  • Wireless Networks:
  • Freedom of movement
  • Slower speed
  • Less secure
  • WNIC required
• What are the two types of connections discussed in the study material?

  Wired and wireless connections
• What is the impact of obstacles on wireless connections?

  They can affect connection performance
• What is the main disadvantage of wireless connections compared to wired connections?

  They are less secure
• What does WNIC stand for?

  Wireless Network Interface Card
• What does NIC stand for?

  Network Interface Card
• How does the security of wired connections compare to wireless connections?

  Wired connections are generally more secure