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.
A vsd file is a file that can be opened with any version of Visio. This file is compatible with any Visio version because the extension type is backwards-compatible. A vsd can also be opened by Lucidchart. Many enterprise platforms are integrating with Lucidchart to become the default Visio viewer.