What are network protocols? What functions do they perform?
Network protocols are the rules and standards governing the design of hardware and software that permit users of networks manufactured by different vendors to communicate and share data. Protocols perform a number of different functions.
a . They facilitate the physical connection between network devices.
b. They synchronize the transfer of data between physical devices.
c. They provide a basis for error checking and measuring network performance.
d. They promote compatibility among network devices.
e. They promote network designs that are flexible, expandable, and cost-effective.
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