A) It is a private computer network of an organisation where the remote users can transmit encrypted information through the server provider
B) It is a computer network across a public internet that provide users access to their organisation's network while maintaining the security of the information transmitted
C) It is a computer network in which users can access a shared pool of computing resource through a service provider
D) None of the above
Correct Answer: B
Solution :
[b] A virtual private network (VPN) is a technology that creates an encrypted connection over a less secure network. The benefit of using a VPN is that it ensures the appropriate level of security to the connected systems when the underlying network infrastructure alone cannot provide it. The justification for using a VPN instead of a private network usually boils down to cost and feasibility: It is either not feasible to have a private network (e.g., for a traveling sales rep) or it is too costly to do so. The most common types of VPNs are remote-access VPNs and site- to-site VPNs.
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