Describe a fully qualified domain name.

Fully qualified domain name is the complete domain name for a computer or host on the internet. Like an address in real world used to locate someone, FQDN is used to find a particular computer with a unique FQDN address. The dns server finds The ip address by looking at its dns table

for example www.google.com

.com is the top level domain and www is the name of the host. While google is the domain name