Sim-Ex™ Tutorial for A+ Essentials

5.0 Networks

5.1 Identify the fundamental principles of networks

  • Describe basic networking concepts

    • Addressing

    • Bandwidth

    • Status indicators

    • Protocols (e.g. TCP / IP including IP, classful subnet, IPX / SPX including NWLINK, NETBEUI / NETBIOS)

    • Full-duplex, half-duplex

    • Cabling (e.g. twisted pair, coaxial cable, fiber optic, RS-232, USB, IEEE 1394 / Firewire)

    • Networking models including peer-to-peer and client / server

  • Identify names, purposes and characteristics of the common network cables

    • Plenum / PVC

    • UTP (e.g. CAT3, CAT5 / 5e, CAT6)

    • STP

    • Fiber (e.g. single-mode and multi-mode)

  • Identify names, purposes and characteristics of network connectors (e.g. RJ45 and RJ11, ST / SC / LC, MT-RJ)

  • Identify names, purposes and characteristics (e.g. definition, speed and connections) of technologies for establishing connectivity for example:

    • LAN / WAN

    • ISDN

    • Broadband (e.g. DSL, cable, satellite)

    • o Dial-up

    • Wireless (all 802.11)

    • Infrared

    • Bluetooth

    • Cellular

    • VoIP

5.2 Install, configure, optimize and upgrade networks

  • Install and configure network cards (physical address)

  • Install, identify and obtain wired and wireless connection

5.3 Identify tools, diagnostic procedures and troubleshooting techniques for networks

  • Explain status indicators, for example speed, connection and activity lights and wireless signal strength

Disclaimer: is not affiliated with any certification vendor, and Sim-Ex™ Practice Exams are written independently by and not affiliated or authorized by respective certification providers. Sim-Ex™ is a trade mark of or entity representing™ is a trademark of CompTIA® organization.