Question

Explain the architecture and working of the Internet. Discuss the role of web browsers,
search engines, and Internet protocols (HTTP, HTTPS, FTP, and SMTP) in accessing
and exchanging information over the Internet. Illustrate your answer with suitable
diagrams and examples.

31 Jul 2026
Answer :
Word Count : 962
The Internet is a global network of interconnected computer networks that enables communication and information exchange among billions of devices worldwide. It is based on the TCP/IP protocol suite and follows a distributed architecture where no single organization controls the entire network. The Internet allows users to access websites, send emails, transfer files, stream multimedia, and use numerous online services. Its architecture is designed to ensure scalability, reliability, and efficient data communication across different geographical regions. The Internet architecture mainly consists of end-user devices, local networks, Internet Service Providers (ISPs), backbone networks, servers, routers, and communication protocols. End-user devices such as computers, smartphones, and tablets connect to local networks through wired or wireless technologies. These local networks are connected to ISPs, which provide access to the global Internet. High-speed backbone networks interconnect multiple ISPs and data centers across countries. Routers determine the best path for forwarding data packets between source and destination. Servers host websites, databases, applications, and multimedia content _____ ______ __________ ______ ____.
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