Q. If a label is not terminated by a null string, it is called a __________.

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Q. A _________ is a subtree of the domain name space.

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Q. What a server is responsible for or has authority over is called a _________.

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Q. A _______ is a server whose zone consists of the whole tree.

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Q. A ________ server loads all information from the disk file.

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Q. A ________ server loads all information from the primary server.

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Q. When the secondary downloads information from the primary, it is called ______ transfer.

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Q. In the Internet, the domain name space (tree) is divided into _______ different sections:

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Q. The _______ domains define registered hosts according to their generic behavior.

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Q. The first level in the generic domains section allows ______ possible labels.

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Q. The ____________ domain section uses two-character country abbreviations.

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Q. The _________ domain is used to map an address to a name.

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Q. In __________ resolution, the resolver expects the server to supply the final answer.

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Q. In __________ resolution, the server returns the IP address of the server that it thinks can resolve the query.

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Q. In the domain name chal.atc.fhda.edu, _______ is the least specific label.

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Q. In the domain name chal.atc.fhda.edu, _______ is the most specific label.

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Q. A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)

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Q. A pointer query involves the _______ domain.

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Q. DNS can use the services of ________ using the well-known port 53.

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Q. 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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