VPN definition The definition of a virtual private network (VPN) is creating a secure network over network transport that is less secure, such as the internet. VPNs are used to connect two or more nodes in a network and are most commonly used to connect individual users’ machines to sites or to connect sites to […]
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There are three basic devices that are utilized in almost every network—switch, router and firewall. They can be integrated into one device for small size networks such as for home networking, but it will not be the case for larger networks. For any network, none of the three devices can be dismissed. Learn to know […]
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The cloud has been a boon for many companies, enabling CIOs to turn off servers or even shutter data centers. CIOs rent processing power, storage and other tools from a mix of vendors in a quickly growing market. But a small contingent of IT leaders is looking to a more efficient way to rent computing horsepower. […]
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What is a firewall? Firewalls act as a perimeter defense tool that monitor traffic and either allow it or block it. Over the years functionality of firewalls has increased, and now most firewalls can not only block a set of known threats and enforce advanced access control list policies, but they can also deeply inspect […]
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