CHAPTER 4Network Protocols and Services

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

  • What is the basic operation of data network communications?

  • How do protocols enable network operations?

  • How does Ethernet support network communication?

  • How does the IPv4 protocol support network communications?

  • How do IP addresses enable network communication?

  • Which type of IPv4 addresses enable network communication?

  • How does the default gateway enable network communications?

  • How does the IPv6 protocol support network communications?

  • How is ICMP used to test network connectivity?

  • How do you use ping and traceroute utilities to test network connectivity?

  • What are the roles of the MAC address and the IP address? ...

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