Which of the following BEST describes the domain controller component of Active Directory?
A. A domain controller is a physical device that connects the network to the Active Directory database.
B. A domain controller is a user account that has administrative privileges to manage the Active Directory database.
C. A domain controller is a specific type of network resource within a domain.
D. A domain controller is a software application that manages the replication of the Active Directory database.
E. A domain controller is a server that holds a copy of the Active Directory database that can be written to and is responsible for copying changes to Active Directory between the domain controllers.