1.5 communication hardware

• Name any common communication hardwares?

  Router, Switch, hub and WAP
• explain the purpose of a switch?


  It is a type of communication device that receives the data packets, forwards them and transfers them onto the device, where the destination address of the packet is listed.
• What is the purpose of a router?


  To transfer data packets between networks
• How does a router work?


  Data is sent from network to network on the internet towards the destination listed in the data packets.
• What does WAP stand for?

  Wireless access point
• What is the purpose of WAP?

  To provide a link between wired and wireless networks.
• Explain the importance of WAP?

  It creates a wireless local area network, which allows WIFI enabled device sto connect to a wired network.
• What is combined device known as and what does it mean?

  Hybrid device, where it provides a collaboration between multiple hardware communication devices such as modem and router.
• Whats the purpose of Modem?


  To send data across the telephone networks
• What can modem transfer only?

  Analog signals meaning its used to convert a computers digital data into an analog data signal.