The ability to interact with network resources is crucial for building robust CLI applications, and the Go standard library offers effective tools for this purpose through its `net` package. This package facilitates the creation of TCP servers, enabling developers to establish and manage connections seamlessly. By utilizing functions like `net.Listen` and `net.Dial`, one can create a simple echo server that accepts client connections and responds by echoing back any received data. The lesson highlights essential practices like error handling, utilizing goroutines for concurrent connection management, and leveraging the `io` and `bufio` packages for efficient data transfer and logging. It also touches on more advanced functionalities available for fine-tuning connections, such as `ListenTCP` for tailored server settings, underscoring the flexibility and power of Go's networking capabilities.