A LAN HLD (High Level Design) is a vital component of IT Infrastructure. It outlines the detailed structure and organization of a Local Area Network, including components, connections and security measures. It is used to describe a comprehensive system of hardware, software, protocols, and services necessary for successful operation of a network. Additionally, it provides a visual reference for roles, functional areas, as well as interconnections. This allows IT experts to identify issues, maintain policies and procedures, and develop best practices to ensure optimal performance.
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