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Lesson 5: Making Networks Work

Chapter 5

 

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Lesson Objectives:

After reading the chapter and completing the exercises, the students should be able to:

• Understand and explain the OSI reference model
• Understand and explain the IEEE 802 networking model and related standards
• Explain the OSI reference model’s layers and their relationships to networking hardware and software

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Key Terms

802.1 802.2 802.3 802.4 802.5 802.6 802.7 802.8 802.9 802.1 802.11 802.12 AppleTalk Application layer congestion control Cyclical Redundancy Check (CRC) data frame Data Link layer error handling flow control fragmentation frame International Standardization Organization (ISO) Internetwork Packet Exchange (IPX) IPX/SPX layers Logical Link Control (LLC) Media Access Control (MAC) NetBIOS Enhanced User Interface (NetBEUI) Network layer Open Systems Interconnection (OSI)

OSI reference model packet packet data unit (PDU) packet switching payload payload data unit (PDU) Physical layer Presentation layer Project 802 protocol protocol data unit (PDU) protocol stack protocol suite reassembly redirector routing segmentation Sequenced Packet Exchange (SPX) Session layer sublayers Systems Network Architecture (SNA) Transmission Control Protocol/Internet Protocol (TCP/IP) Transport layer

 

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Links

IEEE Standards Organization

ISO OSI Standards Page