Pbr, Routing, Http Protocol, Reading and analysing log files, Active Directory, Diagnosing network latency and intermittent issues, Red Hat Linux fundamentals, Application Support Basics, Information Security Concepts, PAC files, Packet Analysis with tcpdump and Wireshark, WCCP, SSL TLS protocols, Layer 2 and 3 TCP IP, MSSQL fundamentals, Windows Permissions, Endpoint application stack diagnostics, Load Balancer Fundamentals, Networking fundamentals, Windows and Linux memory dump capture and analysis