TCP/IP Protocols

  • Define the purpose, function, and/or use of the following protocols within TCP/IP: IP, TCP, UDP, FTP, TFTP, SMTP, HTTP, HTTPS, POP3/IMAP4, Telnet, ICMP, ARP, and NTP.

As discussed in Chapter 5, “Overview of Network Protocols,” the TCP/IP protocol suite is made up of many different protocols, each of which performs a specific task or function. The Network+ exam focuses on the following, which are some of the most commonly used and encountered protocols.

The following sections look at the functions of these protocols and their purposes.

Internet Protocol (IP)

IP, which is defined in RFC 791, is the protocol used to transport data from one node on a network to another. IP is connectionless, which means that it doesn't guarantee ...

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