Basic Internet And Network Questions

LAN stands for Local Area Network. A LAN is a computer network that connects devices within a limited area, such as a home, office, or building. It allows for the sharing of resources, such as files and printers, and enables communication between devices on the network. The term "local" refers to the limited geographical area covered by the network, while "area network" refers to the interconnection of devices within that area.

Google is a search engine that allows users to search for information on the internet. It is a widely used search engine known for its comprehensive search results and user-friendly interface. Users can enter keywords or phrases into the search bar, and Google will display relevant websites, images, videos, and other content related to the search query. Google also offers additional features such as Google Maps, Google News, and Google Translate, making it a versatile tool for finding information online.

The correct answer is "Internet Service Provider." An ISP, or Internet Service Provider, is a company that provides access to the internet for individuals or organizations. They offer various types of internet connections, such as dial-up, broadband, or fiber optic, and typically charge a fee for their services. ISPs play a crucial role in enabling users to connect to the internet and access online services, websites, and other resources.

The correct answer is "Universal Resource Locator also known as the address." URL stands for Universal Resource Locator, which is a reference or address that is used to locate and access resources on the internet. It is commonly used to access web pages and other online content.

HTTP, FTP, UDP, and TCP are all examples of protocols. A protocol is a set of rules and guidelines that govern the way data is transmitted and received over a network. These protocols define how data is formatted, addressed, transmitted, and received, ensuring that devices can communicate with each other effectively. HTTP is used for transmitting web pages, FTP is used for file transfers, UDP is a connectionless protocol often used for streaming and real-time communication, and TCP is a connection-oriented protocol used for reliable data transmission. Therefore, the correct answer is protocols.

A URL stands for Uniform Resource Locator and it is the address of a specific document or webpage on the World Wide Web. It is used to locate and access resources such as websites, webpages, images, videos, etc. The URL consists of different components such as the protocol (http, https), the domain name (example.com), and the path to the specific document or webpage (/page1.html). It is used by web browsers to navigate and retrieve information from the internet.

A browser is a software program that allows users to access and view documents on the World Wide Web (www). It provides a graphical interface for users to navigate through websites, display web pages, and interact with various web-based applications. Browsers interpret and render HTML code, allowing users to view text, images, videos, and other multimedia content on the internet. They also support features such as bookmarks, history, and tabbed browsing, enhancing the user experience while browsing the web.

The correct answer is "Computers that are all linked together in a network." This explanation suggests that the internet is a network of interconnected computers. It implies that the internet is not limited to just the World Wide Web, URLs, or specific technologies like GSM and 3G. Instead, it emphasizes the fundamental concept of computers being connected to each other to form the internet.

The correct answer is the U.S. Department of Defense. The Internet was initially created by the U.S. Department of Defense as a means of communication and sharing information among their research institutions and military organizations. It was developed in the 1960s as a network called ARPANET, which later evolved into the modern-day Internet.

Spiders, in the context of the question, refer to computer robot programs used by search engines to run the World Wide Web (www) via the internet. These spiders, also known as web crawlers or web spiders, systematically browse and index web pages, collecting information to be stored in the search engine's database. They play a crucial role in making websites discoverable and searchable by users.