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What is a protocol?and describe the three major network protocols?

The term protocol refers to a set of rules and procedures that govern the transmission of messages over a physical networking medium. The most common network protocols are: (a) TCP/IP, (b) IPX/SPX and (c) NetBEUE

The three major network protocols are:

  1. TCP/IP
  2. IPX/SPX (Used in Novell Netware)
  3. NetBEUE (Product of Microsoft Co.)