Describe how packet switching works?, computer science homework help

Read the chapter 7 in ebook in file that i attach and answer the 8 question in word file follow the instructions 1 / put the question then the answer down 2 / Avoid plagiarism 3 / use simple words 4 / Do NOT cut and PASTE answers. Answer the following questions.

  • Describe how packet switching works?
  • What is the difference between peer to peer networking and client server?
  • Distinguish between LAN, MAN, PAN and WAN
  • Explain how Domain Name Systems (DNS) and IP addressing work
  • Define RFID, explain how it works and describe how it provides value to business
  • Describe how a VPN work?
  • What is the purpose of a modem?
  • What standards exists for wireless computer networks?