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Question

A DNS .............. servers zone it the entire DNS tree.

A
Primary
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Secondary
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C
Root
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D
All of the above
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Solution

The correct option is C Root

A DNS Root servers zone it the entire DNS tree.

Zone files are maintained on DNS servers. ... Each zone is anchored at a specific domain name referred to as the zone's root domain. A zone contains information about all names that end with the zone's root domain name. A DNS server is considered authoritative for a name if it loads the zone containing that name.

The DNS root name servers translate URLs into IP addresses. These root servers are a network of hundreds of servers in countries around the world. However, together they are identified as 13 named servers in the DNS root zone.

A DNS zone is a portion of the DNS namespace that is managed by a specific organization or administrator. A DNS zone is an administrative space which allows for more granular control of DNS components, such as authoritative nameservers. The domain name space is a hierarchical tree, with the DNS root domain at the top.There are two types of zone files: A DNS Master File which authoritatively describes a zone.


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