Maricopa Community Colleges  ELT248   19926-19985 
Official Course Description: MCCCD Approval: 05/26/92
ELT248 19926-19985 LEC
LAB 		3 Credit(s)
0 Credit(s) 		3 Period(s)
3 Period(s)
Network Servicing and Support
Maintaining and troubleshooting networks. Topics includes customer service philosophies, environmental factors, inter-network support, troubleshooting techniques, diagnostic utilities, common networking problems. Prerequisites: ELT246 or departmental approval.
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MCCCD Official Course Competencies:
 
ELT248   19926-19985 Network Servicing and Support
1. Explain the network servicing needs of a customer. (I)
2. Describe important areas for implementing effective user support services. (I)
3. Identify and describe environmental factors to be considered in network servicing. (II)
4. Monitor and record the status of network operations. (III)
5. Perform network installations and management procedures. (IV)
6. Perform diagnostic and troubleshooting procedures for detecting and correcting network failures. (V)
7. Operate network diagnostic utility programs. (V)
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MCCCD Official Course Outline:
 
ELT248   19926-19985 Network Servicing and Support
    I. Introduction and overview
        A. Network service planning
          1. Customer service philosophy
          2. Who the network serves
          3. Network management services
        B. User interfacing and support
          1. Establishing plans to help user
          2. Inquiry and support planning
          3. Network control personnel
          4. Minimizing security threats
        C. Topologies
          1. Bus
          2. Ring
          3. Star
          4. Trees
          5. Clusters
        D. Access methods
          1. CSMA/CD
          2. Token ring
          3. ARCnet
        E. Transmission modes
          1. Baseband
          2. Broadband
        F. Cabling systems
          1. Twisted pair
          2. Coaxial
          3. Fiber optics
        G. Internetworking
          1. Spans
          2. Interconnecting LANs
          3. Gateways for electronic mail
          4. Source routing
      II. Network environmental factors
          A. Utility power
          B. Uninterruptible power supplies
          C. Surge suppression
          D. Grounding
          E. Fault isolation
          F. Clean room concept
          G. Raised mooring
          H. Fire safety
        III. Consideration for a network control center
            A. Funtions
              1. Line and node status and configuration
              2. Line diagnostics and status monitoring
              3. Software control and distribution
              4. Fault history recording
            B. Switching and display techniques
            C. Network management tools
          IV. Installation and testing
              A. Site planning
              B. Network implementation techniques
              C. Testing and startup
            V. Diagnosis and troubleshooting
                A. Failure analysis
                B. Improving reliability
                C. Troubleshooting techniques
                  1. Cable systems
                  2. Interface cards and hubs
                  3. Baselines
                  4. Hard disks drives
                D. Protocol analysis
                E. Diagnostic utilities
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