A fully qualified domain name (FQDN), sometimes referred to as an absolute domain name, is a
domain name that specifies its exact location in the tree hierarchy of the Domain Name System
(DNS).In order to make sure that customers are able to type in a FQDN instead of the IP address,
which protocol will be used?

A.
DNS

B.
IMAP4

C.
FTP

D.
WINS