Chapter 3

Introduction to TCP/IP

The following ICND1 exam topics are covered in this chapter:

  • Operation of IP Data Networks
  • Identify common applications and their impact on the network
  • Describe the purpose and basic operation of the protocols in the OSI and TCP/IP models.
  • IP addressing (IPv4 / IPv6)
  • Describe the operation and necessity of using private and public IP addresses for IPv4 addressing

The Transmission Control Protocol/Internet Protocol (TCP/IP) suite was designed and implemented by the Department of Defense (DoD) to ensure and preserve data integrity as well as maintain communications in the event of catastrophic war. So it follows that if designed and implemented correctly, a TCP/IP network can be a secure, dependable and ...

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