A network diagram is a visual representation of a computer or telecommunications network, showing how different components interact and are connected. It acts as a schematic, illustrating nodes (devices like servers, computers, routers) and their connections, forming a visual map of the network's structure.
A VLAN (Virtual Local Area Network) is a logical grouping of network devices that are treated as if they belong to the same network, regardless of their physical location. It's like creating multiple virtual networks within a single physical network, enabling better network segmentation and management.
MDM, in the context of business and IT, stands for Mobile Device Management. It refers to the process of managing and securing mobile devices, like smartphones and tablets, used by employees within a company. MDM software allows IT administrators to configure, monitor, and update devices remotely, ensuring corporate data is protected.