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The related nouns about Cisco

As we know, Cisco is the worldwide leader in IT and networking. As a leading networking device pioneer, Cisco has a lot to do with many nouns. Today we are going to introduce some common ones.Cisco Systems, Inc. (known as Cisco) is an American multinational technology conglomerate headquartered in San Jose, California, in the center of

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how VPN works

Tutorial of popular VPN protocols and Steps of Configuring VPN on Cisco 1921 router

What is VPN? VPN is a site-to-site virtual private network which allows you to maintain a secure “always-on” connection between two physically separate sites using an existing non-secure network such as the public Internet. Traffic between the two sites is transmitted over an encrypted tunnel to prevent snooping or other types of data attacks. Generally,

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