VPN connections allow users working at home or on the road to connect in a secure fashion to a （） corporate server using the routing infrastructure provided by a public internetwork (such as the Internet). From the user&39;s perspective, the VPN connection is a point-to-point connection between the user&39;s computer and a corporate （）. The nature of the （） internetwork is irrelevant to the user because it appears as if the data is being sent over a dedicated （） link. VPN technology also allows a corporation to connect to branch offices or to other companies over a public internetwork, while maintaining secure （）. The VPN connection across the Internet logically operates as a wide area network link between the sites. A.customer B.network C.remote D.local A.router B.client C.host D.server A.medium B.intermediate C.remote D.local A.network B.private C.public D.local A.technology B.server C.host D.communications 请帮忙给出正确答案和分析，谢谢！
