A VPN (Virtual Private Network) is a private network that uses a public network such as the Internet to connect remote users or sites together. Virtual Private Networks used in businesses accomplish this by using virtual connections that are routed through the Internet from the remote […]
Why it is essential for a LAN administrator to understand VLANs? What criteria would be used to determine how many VLANs a department in a medium size company would typically need? VLAN technology is fantastic as it offers added enhancements to networks and provides multiple pathways […]
The Application Layer gives applications access to the services of the other layers and defines the protocols that applications use to send and receive information. This layer is the first step in getting information onto the network. There are numerous Application Layer protocols and new ones come […]
Securing The Universe 
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