Question
What is a DNS (Domain Name System) server? Differentiate between an authoritative DNS server and a caching DNS server.
Answer :
Word Count : 496
A DNS (Domain Name System) server is a critical component of the internet infrastructure that translates human-readable domain names, such as [www.example.com](http://www.example.com), into machine-readable IP addresses, such as 192.168.1.1. This translation is essential because while humans remember domain names easily, computers and networking devices operate using IP addresses to route data across networks. DNS servers thus act as a directory service, allowing devices to locate and communicate with each other efficiently on both local networks and the global internet. DNS is hierarchical and distributed, meaning that no single server holds all the information. Instead, the DNS system consists of _________ ___ ________ ____ __________ ___ ____ ________.
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A DNS (Domain Name System) server is a critical component of the internet infrastructure that translates human-readable domain names, such as [www.example.com](http://www.example.com), into machine-readable IP addresses, such as 192.168.1.1. This translation is essential because while humans remember domain names easily, computers and networking devices operate using IP addresses to route data across networks. DNS servers thus act as a directory service, allowing devices to locate and communicate with each other efficiently on both local networks and the global internet. DNS is hierarchical and distributed, meaning that no single server holds all the information. Instead, the DNS system consists of _________ ___ ________ ____ __________ ___ ____ ________.
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