A network technician is on the phone with the system administration team. Power to the server room was lost
and servers need to be restarted. The DNS services must be the first to be restarted. Several machines are
powered off. Assuming each server only provides one service, which of the following should be powered on
FIRST to establish DNS services?

A.
Bind server

B.
Apache server

C.
Exchange server

D.
RADIUS server

Explanation:
BIND (Berkeley Internet Name Domain) is the most widely used Domain Name System (DNS) software on the
Internet. It includes the DNS server component contracted for name daemon. This is the only option that
directly involves DNS.