802.1, Accounting Policies, CCNA - Cisco Certified Network Associate, Cisco Network Systems, Communication Skills, Communications Security (COMSEC), CompTIA Security+, Cryptography, Defense Information Systems Agency (DISA), Ethernet Cable, Firewalls, Hardware Components, Hardware Specification, Juniper Networks Product Family, Layer 2 Switching, Linux Operating System, Local Area Network (LAN), Microsoft Windows Server, Netflow, Network Administration/Management, Network Configuration Management, Network Design, Network Performance/Analysis, Network Routers, Network Software, Network Switching, Network Testing, Network Traffic Analysis, Operational Support, PerlScript Scripting Language, Problem Solving Skills, RADIUS (Remote Authentication Dial-In User Service), SQL (Structured Query Language), Secret Clearance, Security Auditing, Security Clearance, Software Configuration Management, Team Player, Technical Support, Top Secret Clearance, Twisted Pair Cable, United States Department of Defense (DoD), Unix Operating Systems, VLAN (Virtual Local Area Network), VoIP (Voice over IP), Wireshark (Ethereal)