analogue and digital signals, including: how information is carried signal distortion, including attenuation, reflection, noise, dispersion, jitter, latency and collisions the open systems interconnection (OSI) model for computer system interconnect, including: physical layer data link layer network layer transport layer session layer presentation layer application layer purpose of each layer of OSI model comparing transmission control protocol (TCP) and internet protocol (IP) TCP and user datagram protocol (UDP) TCP segment format UDP segment format TCP connection methods types of networks, network components and hardware LAN architectures, including: general principle of LAN, including: benefits of a LAN the elements of a LAN the different types of network topology and their applications cabling and termination arrangements for a LAN system multiple access units and their function, including switches, access points and routers LAN standards, including ethernet (IEEE 802.3) and wireless ethernet (IEEE 802.11) basic principle of medium access methods such as polling and CSMA/CD current network operating systems available for establishing a LAN, including: network protocols concepts of TCP/IP addressing peer-to-peer and server based establishing workgroups file and device sharing network hardware installation methods, including installing network cards, and installing switches and routers concepts and the hardware required for internet and world wide web working LANs network security network device set-up and configuration hardware requirements network testing and diagnostic tools and methods networking protocols network security network signal propagation basics of encoding networking signals IP addressing and sub-netting cabling layouts network protocols and faults network software and hardware installation and configuration methods relevant manufacturer specifications relevant job safety assessments or risk mitigation processes, including risk control measures relevant WHS/OHS legislated requirements relevant workplace documentation including maintenance records and service records relevant workplace policies and procedures sustainable energy principles and practices. |