In this scenario, Jason is the network manager and is leading a project to deploy a storage area network (SAN). He is working with the vendor's support technician to properly set up and configure the SAN on the network. To begin SAN input and output (I/O) optimization, Jason need to provide the network diagram to the vendor support technician.
A network diagram can be defined as a graphical representation of the topology of a network connection.
Basically, it gives an illustration of all the equipments such as routers, switches, hubs etc.