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                   Virtual Private Network  (VPN)  creates  a  secure,  encrypted  connection  over  a public
                   network, such as the Internet, allowing users to access a private network remotely. VPNs
                   are commonly used by universities or organisations to provide remote access to students or
                   employees working from home or travelling.



                     WHAT IS INTERNET?

                  Nowadays, the Internet has become an important means of communication for the people even
                  at remote locations. It is a worldwide system that interconnects computers for the purpose of
                  sharing information. It is defined as a global system of networks using wired or wireless mediums
                  to interconnect different types of networks consisting of billions of computers, smartphones,
                  and other smart devices for sharing data and information with add-on features of entertainment,
                  services and ecommerce. It can be accessed by anyone from anywhere in the world.
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                                                                                 In 1969,  the  Internet  was
                                                                                 designed  by  the  Advanced
                                                                                 Research Projects Agency (ARPA)
                                                                                 of the US Department of Defense
                                                                                 and  was  known  as  ARPANet
                                                                                 (Advanced  Research  Projects
                                                                                 Agency Network). It was used by
                                                                                 military and academic institutions
                                                                                 as an effective method of
                                                                                 communication.

                  Applications of the Internet


                  The Internet has become an important part of our lives. It plays a very important role in shaping
                  how we live, work, and interact in the digital age. Some of the important applications of Internet
                  are as follows:



                                                              Communication: One major change the Internet has
                                                             brought is how we communicate with each other. Email,
                                                             instant messaging, video conferencing, and voice call
                                                             are some popular methods of communication over the
                                                             Internet.











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