<P> A fully qualified domain name (FQDN), sometimes also 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). It specifies all domain levels, including at least a second - level domain and a top - level domain . A fully qualified domain name is distinguished by its lack of ambiguity: it can be interpreted only in one way . </P> <P> The DNS root domain is unnamed which is expressed by having an empty label in the DNS hierarchy, resulting in a fully qualified domain name ending with the top - level domain . However, in some cases the full stop (period) character is required at the end of the fully qualified domain name . </P>

Which of the following is an example of an fqdn