A server technician has just installed a server with several roles. The technician then launches a command prompt, runs the

netstat

command, and notices the server is listening on the following ports: 88, 389, 464, 3268, and 3269. Which o

f the following server roles is MOST likely installed on this server, given the ports above?

A. Database server

B. Directory server

C. Mail server

D. Web server