Maricopa Community Colleges  ELT242   19926-19926 
Official Course Description: MCCCD Approval: 05/26/92
ELT242 19926-19926 LEC 2 Credit(s) 2 Period(s)
Network Communications
Network cabling topologies including media types, cabling systems, bus topology, and LAN(local area network) access protocol; data communication overviews for LAN, MAN(metropolitan area network), WAN(wide area network), and PDN networks; internal and external communication components. Prerequisites: ELT271, or ELT273, or departmental approval.
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MCCCD Official Course Competencies:
 
ELT242   19926-19926 Network Communications
1. Define and explain common terminology used in data communications and networking areas. (I)
2. Describe the operational overviews of networks. (LAN, MAN WAN, PDN). (I)
3. Explain fundamental data communication and network concepts. (II)
4. Identify media types (coax, twisted pair, fiber optic, wireless). (II)
5. Describe protocols (hardware/software standards). (III)
6. Describe cabling topologies. (III)
7. Describe cabling systems (thin/thick, ethernet, ARCnet, Token-Ring). (III)
8. Explain LAN access protocols. (III)
9. Describe functional operation of communications hardware and software components. (III)
10. Explain how packet switching networks operate. (III)
11. Explain how local area baseband and broadband networks function. (III)
12. Describe key protocols and standards. (IV)
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MCCCD Official Course Outline:
 
ELT242   19926-19926 Network Communications
    I. Introduction: terminology
        A. Data transmission rates
          1. Bit rate
          2. Baud rate
        B. Transmission envelopes
          1. Frames
          2. Packets
          3. Messages
        C. Protocols and networks
        D. Data transmission techniques
        E. Communications system components
          1. Host
          2. Terminals
          3. Modems
        F. Networks
          1. Local area (LAN)
          2. Medium area (MAN)
          3. Wide area (WAN)
          4. Public data (PDN)
        G. Integrated data and voice communication
      II. Data communications fundamentals
          A. Transmission media
            1. Twisted pair
            2. Coaxial cable
            3. Fiber optic cable
            4. Issues of performance, cost, and installation
            5. Microwave
            6. Satellites
            7. Bandwidth/speed/cost considerations
          B. Characteristics of computer terminals
          C. Modems and modulation
          D. Data transmission protocols
            1. Asynchronous
            2. Synchronous
            3. Manchester
          E. Data transmission error detection/correction
        III. Network fundamentals
            A. Cabling topologies
              1. Ring and loop
              2. Bus and tree
              3. Star
            B. Models and standards
              1. ISO layered network model for Open Systems Interconnection
              2. System Network Architecture (SNA)
              3. DECnet
              4. Ethernet
              5. ARCnet
              6. Token-ring
            C. Topologies and network performance
            D. Packet switching techniques
            E. Basebands LAN access methods
              1. Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
              2. Bus
              3. Token ring
              4. Slotted ring
            F. LAN components
              1. Cables
              2. Connectors and taps
              3. Transceivers/media access units
              4. Repeaters
              5. Ethernet and ring controller board
              6. CATV components
            G. Signaling methods
              1. Baseband
              2. Broadband
              3. Encoding
          IV. Protocols and standards
              A. Functions of data delivery protocols
                1. Addressing and synchronization
                2. Data flow
                3. Sequence and error control
                4. Circuit management
                5. Security
              B. Physical/electronic layer
                1. Electronic interface between devices
                2. RS-232 interface
                3. Standards
                4. Multiplexors
              C. Data link layer and protocols
                1. Data block/frame structure
                2. Byte-oriented protocols
                3. Bit-mode protocols
              D. Network layer
              E. Higher layers
                1. Transport
                2. Session
                3. Presentation
                4. Application
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