Layer 1 Technologies (Single Mode, Multimode, Cat 5e, 6, 6A, Direct Attach Cable Assemblies, Optical Transceivers and Transceiver Compatibility, Connectors, Performance Specifications, Deployment Topologies and Methods). Knowledge of information technology infrastructure components (LAN/WAN/SAN, firewalls, Wintel/Lintel/UNIX servers, storage, roll-on equipment, wireless, DAS).