What is Active Directory in Server $2016?$Select one: a$.$ Active directory is central location of Users, Computers, groups etc where in you can manage permissions and access and deploy policies b$.$ Database type keeps relational database of all windows environment and their component. c$.$ Active directory is personal and team share type storage feature in windows server $2016,$ that can be extended to azure if we need to expand the size and reachability without adding any hardware on$-$premises. d$.$ A directory can be mounted to any no of windows systems to use it as a local drive but with lot more of server side backup and version controlling features.