N-GEN Communications Web-based Seminars ©NGCS

Seminar - An Overview of Communications Technologies


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Module 2 - Data Communications Basics and Legacy Technologies                                                Slide 20 of 45 _________________                                                                                  __________

                                             Protocols

   

                                Computer Communications

                                Data Communications

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The computer communications protocol, performing OSI layers 4,5,6 and 7 functions resides in the terminal. The data communications protocols Frame Relay, ATM, SONET, TCP / IP and Multi-Protocol Label Switching (MPLS) reside in the communications equipment.