Executive IT Engineer

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Executive IT Engineer Interview Questions and Answers

Updated 31 Jan 2024

Q1. What is DNS explain

Ans.

DNS stands for Domain Name System. It is a decentralized system that translates domain names into IP addresses.

  • DNS is like a phonebook for the internet, translating human-readable domain names into machine-readable IP addresses.

  • It helps in the process of resolving domain names to their corresponding IP addresses.

  • DNS operates through a hierarchical structure with different types of DNS servers, such as recursive resolvers, authoritative servers, and root servers.

  • DNS caching is...read more

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