networks

• What type of networks use physical wiring to connect devices?

  Wired networks
• What do wireless networks use to carry signals?

  Radio waves
• What are the key differences between wired and wireless networks?

  • Cost: Wired is expensive; wireless is cheaper.
  • Installation: Wired needs technical knowledge; wireless is simple.
  • Maximum speed: Wired up to 1 Gbps; wireless up to 50 Mbps.
  • Distance: Wired up to 100m (Ethernet); wireless up to 50m.
  • Security: Wired is more secure; wireless is less secure.
• What are common uses of Bluetooth technology?

  • Connecting keyboards and mice to computers
  • Pairing speakers with smartphones
  • Linking smartphones to car multimedia systems
• What are the main differences between WiFi and Bluetooth?

  • Speed: WiFi is faster (up to 10 Gbps); Bluetooth is slower (up to 3 Mbps).
  • Range: WiFi has a longer range; Bluetooth maxes at 100 meters.
  • Security: WiFi is more secure (WPA3); Bluetooth has basic security.
  • Power: WiFi consumes more power than Bluetooth.
• What is a significant disadvantage of Star Topology?

  Single point of failure
• What happens if the central hub in a Star Topology fails?

  The entire network shuts down
• What is a disadvantage of Star Topology related to cabling?


  More cabling is required
• Why is Mesh Topology considered highly reliable?

  It has multiple routes for data
• What are the advantages and disadvantages of Star Topology?

  Advantages:

  • High reliability
  • Easy management
  • Scalable

  
  

  Disadvantages:

  • Single point of failure
  • More cabling required
• What are the advantages and disadvantages of Mesh Topology?

  Advantages:

  • Redundancy
  • High reliability
  • No single point of failure

  
  

  Disadvantages:

  • Complex setup
  • High cost
• How do Star and Mesh topologies compare in terms of features?

  • Star: Centralized, lower reliability, lower cost, simple
  • Mesh: Decentralized, high reliability, higher cost, complex