Episode 121: Welcome to Domain 3 — Network Operations

In Domain 3, we shift focus from implementation to operation, diving into what it takes to maintain, monitor, and document a functional network. This episode provides an overview of what you’ll encounter throughout the domain, including topics like network performance metrics, configuration management, change control processes, and incident response. Unlike the theoretical planning of earlier domains, this one reflects the day-to-day tasks of a working network technician.You’ll also be introduced to core concepts such as baselining, SLA enforcement, and how to properly document your network for compliance, auditing, and recovery. If Domain 2 was about building the network, Domain 3 is about keeping it running—and recovering when something breaks. This episode prepares you to think like an operations engineer, ready to monitor, react, and maintain.

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