What are the differences between the fully qualified domain name (FQDN) and partially
qualified domain name (PQDN)? Give an example of each type and justify your answer
with a figure.


Answer:

FQDN of a host consists of all labels from the node upto the root separated by periods. It should end with an empty string which is the representation of the root. Because empty string is of no need, we end fully qualified domain name with a period. The other trailing period for root domain is removed in day to day usage but it must be used during actual DNS name queries.
A Partially qualified Domain Name (PQDN) specifies a portion of a domain name. This portion is usually the host portion. It starts with the host but it may fail to go up to the root.
For example:
pcme.tosla.denanswers.com is a Fully Qualified Domain Name
FQDN-25-09-2021.JPG

pcme is an example of a Partially Qualified Domain Name (PQDN). Usually the computers will add the Domain name server suffix along with PQDN prior sending a DNS query for name resolution.


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