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If a label is not terminated by a null string, it is called a __________
A _________ is a subtree of the domain name space
What a server is responsible for or has authority over is called a _________
A _______ is a server whose zone consists of the whole tree
A ________ server loads all information from the disk file
A ________ server loads all information from the primary server
When the secondary downloads information from the primary, it is called ______ transfer
In the Internet, the domain name space (tree) is divided into _______ different sections:
The _______ domains define registered hosts according to their generic behavior
The first level in the generic domains section allows ______ possible labels
The ____________ domain section uses two-character country abbreviations
The _________ domain is used to map an address to a name
In __________ resolution, the resolver expects the server to supply the final answer
In __________ resolution, the server returns the IP address of the server that it thinks can resolve the query
In the domain name chal.atc.fhda.edu, _______ is the least specific label
In the domain name chal.atc.fhda.edu, _______ is the most specific label
A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)
A pointer query involves the _______ domain
DNS can use the services of ________ using the well-known port 53
DNS can be pictured as an inverted hierarchical tree structure with one root node at the top and a maximum of
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