Executive IT Engineer Interview Questions and Answers

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