All 100 hundred computers of the corporate office at Washington are connected to the VPN server(which is a well-configured server containing a public IP address and a switch to connect all computers present in the local network i.e.VPN lets us overcome this issue in an effective manner. The traditional method of establishing a secure connection between head office and branch was to have a leased line between the branches and head office which was a very costly as well as troublesome job. Suppose other branches of the bank are in Mumbai, India, and Tokyo, Japan. This office has a local network consisting of say 100 computers. Think of a situation where corporate office of a bank is situated in Washington, USA. It makes use of tunneling protocols to establish a secure connection. user can be part of a local network sitting at a remote location. The name only suggests that it is a Virtual “private network” i.e. A Virtual Private Network is a way to extend a private network using a public network such as the internet. A virtual private network (VPN) is a technology that creates a safe and encrypted connection over a less secure network, such as the internet. VPN stands for the virtual private network. Top 10 Projects For Beginners To Practice HTML and CSS Skills.Must Do Coding Questions for Product Based Companies.Practice for cracking any coding interview.Must Do Coding Questions for Companies like Amazon, Microsoft, Adobe.Packet Filter Firewall and Application Level Gateway.Web Caching and Conditional GET Statements.Computer Network | Quality of Service and Multimedia.Multipurpose Internet Mail Extension (MIME) Protocol.Simple Network Management Protocol (SNMP).What’s difference between The Internet and The Web ?.Difference between and Difference between HTML and HTTP.Types of DNS Attacks and Tactics for Security.Address Resolution in DNS (Domain Name Server).Domain Name System (DNS) in Application Layer.Introduction of Firewall in Computer Network.Virtual Private Network (VPN) | An Introduction.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.