American Sign Language, Analysis Skills, Auditing, BGP, Best Practices, Billing, Budgeting, Capacity and Performance Management, Cisco Network Systems, Citrix Product Family, Cloud Computing, Communication Skills, Computer Science, Customer Support/Service, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Desktop PC, Digital Certificates, Disaster Recovery, Documentation, Driver's License, Establish Priorities, Financial Management, Firewalls, Hardware Administration, High Availability, High School Diploma, ISO (International Organization for Standardization), ITIL (IT Infrastructure Library), Identify Issues, Industry Standards, Information Technology & Information Systems, Internet Group Multicast Protocol (IGMP), Intrusion Detection Systems, Intrusion Prevention Systems, Inventory Management, Juniper Networks Product Family, Load Balancing, Local Area Network (LAN), Management of Information Systems/Technology (MIS), Mentoring, Metrics, Microsoft Hyper-V, Microsoft Windows Operating System, Multi-User Systems, Multicast Source Discovery Protocol (MSDP), Multitasking, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Operating Systems, Network Operations Center, Network Performance/Analysis, Network Routing, Network Security, Network Support, Network Switching, Network System Hardware, On Call, Open Shortest Path First Protocol (OSPF), Open Systems Interconnection (OSI), Operations Planning, Per VLAN Spanning Tree (PVST), Process Development, Product Lifecycle, Protocol Independent Multicast (PIM), QoS (Quality of Service), Remote Access, Risk Management, SSL-TLS (Secure Socket Layer - Transport Layer Security), Security Analysis, Security Auditing, Security Infrastructure, Server Support, Service Delivery, Sniffer, Spanning Tree Protocols, Strategic Planning, Supplier Relationship Management (SRM), Switching Architecture, Systems Maintenance, TCP (Transmission Control Protocol), Team Lead/Manager, Technical Delivery, Technical Leadership, Technical Support, Technical/Engineering Design, Telecommunications, United States Department of Justice (DOJ), VLAN (Virtual Local Area Network), VMWare, VMWare ESX/ESXi, VPN (Virtual Private Network), Vendor/Supplier Relations, Vietnamese Language, Virtualization, VoIP (Voice over IP), Wi-Fi, Wide Area Network (WAN), Wireless Communications, Wireshark (Ethereal)