Where I live, a graduate with an MBBS degree (Master of Medicine, Master of Surgery) is called a doctor. To me, strictly speaking, he is a doctor only...
In computer networking, a virtual storage area network (VSAN) is a collection of ports from a set of connected Fibre Channel switches, that form a virtual fabric. Ports within a single switch can be partitioned into multiple VSANs, despite sharing hardware resources.
Difference between VPN and VLAN. Yes, there are big differences. A VLAN (Virtual Local Area Network) exists inside a Layer 2 device on the network side. It is used to segregate networks at Layer 2 inside of a network.