Core Foundations Every Beginner Should Master
Understand CPUs, memory, storage, and how processes compete for resources. When you grasp what happens under the hood, error messages feel less scary and more like clues. Share your favorite “aha” moment when a confusing performance issue finally made sense after learning about memory or disk bottlenecks.
Core Foundations Every Beginner Should Master
Learn IP addressing, ports, DNS, DHCP, and the TCP/IP model. Even help desk roles lean on these concepts when diagnosing slow apps or unreachable services. Practice with ping, traceroute, and nslookup. Post your first successful DNS troubleshooting story below, and help a peer replicate your steps.