Domain name system solved MCQs Quesitons Answers

By: Prof. Dr. Fazal Rehman | Last updated: May 2, 2025

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1. : An inverted hierarchical tree structure with one root node at the top and a maximum of DNS can be pictured as:





2. : The hostname of an entire domain has a maximum of:





3. : A DNS client is called:





4. : Requests for other domains are handled by servers:





5. : DNS database contains:





6. : If a server has no reason about where the address for a hostname places, then:





7. : Which allows clients to update their DNS entry as their IP address changes?





8. : The domain used to map an address to a name is called:





9. : The suffix “atc.jhda.edu.” DNS client is added before passing the address to the:





10. : A domain name is delegated by domain name registers that are accredited by:





11. : A system which maintains the domain name is:





12. : The domain name of a node at the top of the tree is called:





13. : In a tree, each node has a:





14. : The two types of records used in DNS are:





15. : DNS is a protocol that can be used in different:





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