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CCNP Practical Studies: Troubleshooting by Donna L. Harrington

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Standards and Protocols

Communication rules are referred to as standards and protocols. Playing with the right rules to the game normally means you are more apt to communicate well in the networking game. Standards are rules, conditions, and requirements that can be de jure, de facto, proprietary, or open. De jure standards are official; by legislation they are endorsed by a standards body, such as those listed in Table 1-1.

Table 1-1. Standards Bodies
Standards BodyAcronymExamples
American National Standards Institute www.ansi.orgANSIC

Cobol

Fortran

X3T9.5
International Telecommunication Union www.itu.intITUV.22

V.32

V.34

V.42
Institute of Electrical and Electronic Engineers

standards.ieee.org

www.ieee.org
IEEE802.2 LLC[*]

802.3 Ethernet

802.5 Token ...

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