Learning That Sticks: Grow by Doing, Not Just Reading

 In the field of computer networks, as in any other domain, you start by learning the fundamentals before diving into the details of a specific area based on your interests or professional needs. The key skills to master include network planning (architecture), design, configuration, and management (troubleshooting).
Regardless of which skill you choose to specialize in, excellence cannot be achieved through reading alone. Learning by reading is often temporary—true learning comes by doing.
What Does Learning by Doing Mean?
Let’s consider a few examples:
If you're unsure whether DHCP uses Broadcast or Unicast when passing through a Layer 3 device...
If you need to know which transport layer protocol OSPF uses...
If you're wondering which LSA type is blocked in a specific OSPF area...
If you want to understand the detailed flow of packets in a ping command or the sequence of information flow in DNS...
The best way to gain deep, retain-able knowledge is to simulate a small network, configure the required protocol, and observe the behavior firsthand. This hands-on approach helps solidify concepts far better than just reading.
Why Do People Avoid This Approach?
Initially, configuring a network—whether on physical devices or simulation tools like Packet Tracer, GNS3, or EVE-NG—requires a significant time investment. This effort often discourages beginners. However, once you push past this initial resistance and persist, the process becomes faster, easier, and even enjoyable. Over time, network implementation becomes second nature, and you develop the confidence and expertise needed to excel.
So, don’t just read—do!
The more you practice, the more you grow.
ComputerNetworks Networking LearningByDoing HandsOnLearning TechSk

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