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A fully qualified domain name (FQDN), sometimes also referred 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 the top-level domain and the root domain. A fully qualified domain name is distinguished by its unambiguity; it can only be interpreted one way.
PQDN is Partially Qualified Domain Name FQDN is Fully Qualified Domain Name.
Fully Qualified Domain Name
Fully Qualified Domain Name
A DNS (Domain Name Service) server can find an IP address for a computer when the fully qualified domain name is known.
The recommended limit of DCs per domain as per Microsoft is 1200
reverse lookup
DNS
It is called as an FQDN and is read as "FULLY QUALIFIED DOMAIN NAME" , wherein it is in the format:YourComputerName.YourdomainNameand is Unique in a Domain.
Three is the number of maximum hops between domain controllers
reverse lookup
Kerberos policy In Windows 2000, Kerberos policy is defined at the domain level and implemented by the domain's Key Distribution Center (KDC). Kerberos policy is stored in Active Directory as a subset of the attributes of a domain security policy. By default, policy options can only be set by members of the Domain Administrators group. Enforce user logon restrictions Maximum lifetime for service ticket Maximum lifetime for user ticket Maximum lifetime for user ticket renewal Maximum tolerance for computer clock synchronization