Designing and Implementing a Small Office Network Topology You are tasked to set up a small office network for a company with four departments: Sales, Marketing, Finance, and Human Resources. Each department has its own set of computers that need to be connected to a central network. You are provided with the following equipment: Computer or laptops $($at least $4$ for each department$),$ Ethernet cables, a printer for each department, router and switch.

$1.$ Explain the concept of network topology

$2.$ Design and sketch a network topology that best suits the scenario provided. Consider factors such as scalability, ease of management, and fault tolerance.

$3.$ Use packet tracer or any other software to simulate your topology $($ with the Screenshots of packet tracer $)$