Network Concepts
   Communications Networks
      Need for Communications Networks
      Voice Communications
      Data Communications
      Transmitting Images
      Analog and Digital Signals

   Data Communications
      Physical Links and Interfaces
      Protocols
      TCP/IP and the Internet
      Cabling

   LANs
      LAN applications and uses
      Peer-to-peer LANs
      Client-server LANs
      Types and uses of servers
      Ethernet (IEEE 802.3)
      Token Ring (IEEE 802.5)

   WANs
      WAN applications and uses
      Basic WAN services
      DCE Equipment	
      Network Circuit Connectivity

   Internetworking
      Internetworking Devices
      LAN and WAN Equipment
      Routing Protocols
      Switching Overview
      Interconnecting LANs
      Interconnecting WANs

   Network Software and Operating Systems
      Computer Operating Systems
      Network Operating Systems (NOSs)
      TCP/IP
	 
   Emerging Technologies
      Benefits and Applications
      ATM
      Iso - Ethernet
      1Gbps Ethernet
      Fiber Channel
      Wireless Networks

PC Repair
   Overview of System Features and Components
   System Teardown and Inspection
   Building a System from Scratch
      System Components
      Motherboards
      Bus Slots and I/O Cards
      Microprocessor Types and Specifications
      Memory
      Power Supply
      Input Devices
      Video Display Hardware
      Communications and Networking
      Audio Hardware
      Floppy Disk Drives and Controllers
      Hard Disk Drives
      Hard Disk Interfaces
      Hard Disk Installation and Troubleshooting
      CD-ROM Drives
      Preventive Maintenance
      Software and Hardware Diagnostic Tools