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What is a generic top-level domain (gTLD)?
A generic top-level domain (gTLD) is a part of an internet address that identifies a domain name registry as well as the purpose or category of a website. It is the extension that comes after the dot in a web address, such as .com, .net, or .org.
The Internet Corporation for Assigned Names and Numbers (ICANN) is responsible for managing and coordinating the global domain name system (DNS), including gTLDs. They ensure that the internet’s domain name system remains stable and secure.
Explaining the basic concepts of addresses on the Internet
When we talk about addresses on the internet, we are referring to the unique identifiers that help us locate and access websites, files, and resources. Just as we have physical addresses for homes and buildings, the internet has its own system of addresses.
1. IP Address: The Internet Protocol (IP) Address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. IP addresses consist of a series of numbers, separated by periods, such as 192.168.0.1. This is how computers identify each other on the internet.
2. Domain Name: A domain name is a user-friendly version of an IP address. It represents a unique website or collection of web pages on the internet. Instead of typing a long string of numbers, like an IP address, users can simply enter the domain name in a web browser to access the desired website. For example, www.example.com.
3. Domain Name System (DNS): The Domain Name System is like a phonebook of the internet. It translates domain names into IP addresses so that computers can understand and process them. The DNS allows us to navigate the internet using easily remembered domain names. When we enter a domain name in a web browser, the DNS system resolves it to the corresponding IP address.
4. Top-Level Domains (TLDs): TLDs are the highest level in the DNS hierarchy. They are divided into two categories: generic top-level domains (gTLDs) and country code top-level domains (ccTLDs). gTLDs, as mentioned earlier, represent a specific purpose or category and include popular extensions like .com, .org, and .net. ccTLDs represent specific countries or territories, such as .uk (United Kingdom), .jp (Japan), or .au (Australia).
In summary, gTLDs are the extensions that indicate the purpose or category of a website, while the address system on the internet involves IP addresses, domain names, and the domain name system (DNS). Understanding these basic concepts helps us navigate and access the vast resources available on the internet.
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