Q. To provide security and prevent unauthorized changes in the DNS records an authentication mechanism is used, known as

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Q. A primary server loads all information from the

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Q. In Domain Name Space (DNS), when the Internet was small, mapping was done by using a

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Q. In Domain Name Space, the null suffix defines

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Q. The information contained in the domain name space must be

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Q. In Domain Name Space, if a label is not terminated by a null string, it is called a

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Q. Each name space is made of several parts in

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Q. The main disadvantage of a flat name space is that it cannot be used in a large

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Q. A root server is a server whose zone consists of the

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Q. In Domain Name, a full domain name is a sequence of labels separated by

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Q. The domain names are always read from the

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Q. A root server usually does not store any information about domains but delegates its authority to the

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Q. The generic domains, for specifying an organization type are

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Q. A domain name "hello.customer.info." Is

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Q. There are two types of records in

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Q. A name is assigned to an address in

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Q. A domain is a sub tree of the

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Q. In Domain Name System (DNS), the server makes a database called

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Q. If the size of the response message is more than 512 bytes, a Connection is used called

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Q. Fully Qualified Domain Name (FQDN), defines the name of the

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