D.N.S. stands for :

Correct option is B

The correct answer is (b) Domain Name System.

The Domain Name System (DNS) is a fundamental component of the Internet, responsible for translating human-readable domain names (e.g.,www.example.com) into IP addresses (e.g., 192.0.2.1) that computers use to identify each other on the network.

Key Features of DNS:

1. Name Resolution:

• Converts domain names into numerical IP addresses.

• This enables users to access websites without remembering complex IP addresses.

2. Hierarchy:

• DNS has a hierarchical structure with root servers, top-level domains (TLDs) (e.g., .com, .org), and subdomains.

3. Components:

• DNS Servers: Store and respond to queries about domain names.

• DNS Resolver: Intermediary that handles queries from user devices to DNS servers.

Additional Information:

How DNS Works:

1. Domain Name Resolution: When you enter a web address into your browser, the DNS translates the domain name into the corresponding IP address, allowing your device to locate and connect to the desired web server.
   
   

2. Hierarchical Structure: DNS operates in a hierarchical manner, starting from the root level, followed by top-level domains (TLDs) like .com or .org, and then second-level domains.

3. Distributed Database: Instead of relying on a single central database, DNS is distributed across multiple servers worldwide, enhancing its reliability and scalability.