Http Protocol, Tcp/ip, Dns, Pbr, Routing, Networking fundamentals, PAC files, Packet Analysis with tcpdump and Wireshark, Diagnosing network latency and intermittent issues, Red Hat Linux fundamentals, Active Directory, 3-way handshake, WCCP, Layer 2 and 3, Information Security Concepts, SSL/TLS protocols, MSSQL fundamentals, Endpoint application stack diagnostics and analysis for Windows Mac and Linux, Windows and Linux memory dump capture and analysis, Load Balancer Fundamentals, Reading and analysing log files