Window Infrastructures Services roles

Active Directory Certificate Services : Creates and manages certification authorities .Certification authorities are used to create digital certificates for identification and encryption

Active Directory Rights Management Services : Helps protect information from unauthorized use and generates licenses that specify what actions can taken with protected content and by whom

DHCP Server : Automatically allocates IP addresses and IP configure information to clients

 DNS Server : Provides name resolution for TCP/IP networks

Fax Server : Sends and receives faxes electronically rather than requiring paper-based copies of documents

File Services : Provides technologies for storage management ,file replication ,and file searching