What underlying database does microsoft use that enables active directory to use a directory tree structure?

It uses (Lightweight Directory Access Protocol) LDAP. LDAP which is a product of Internet Engineering Task Force defines how servers and clients exchange information about a directory. It runs directly over TCP/IP and UDP and is the most common way of interacting with the Active Directory.

you need to be a high enough rank

this is false i think

if it is a true or false question