IT Support Fundamentals: Advancing from Tier 1 to Tier 2

Moving from entry-level help desk triage to resolving complex technical issues requires a structured understanding of systems, networking, and modern support workflows. This comprehensive text-based course equips you with the core knowledge and diagnostic frameworks needed to handle advanced support requests with confidence. What you'll learn: - Understand core operating system concepts and command-line diagnostic utilities - Diagnose and resolve common network issues involving DNS, DHCP, routing, and connectivity - Manage identity access, authentication protocols, and modern multi-factor security policies - Apply structured troubleshooting methodologies to resolve escalated software and hardware incidents - Implement endpoint administration procedures and security hygiene practices - Document technical solutions effectively to improve team knowledge bases and ticket workflows You will begin with fundamental support terminology and core operational models before exploring systematic diagnostic scenarios and advanced administrative concepts. Designed for beginners and Tier 1 technicians looking to step into higher-tier technical responsibilities, this course requires no prior advanced experience. Begin reading to build your technical support expertise.