Provide a cost effective alternative to leased lines
Depend on the internet for communication
Allow user authentication and authorization
Integrate with many firewall technologies
Answer Explanation: Virtual Private Networks (VPNs) are virtual protocol tunnels that are established through a physical public network such as the Internet. Even when the public network is not a secure medium for corporate data exchange, the virtual network tunnel provides secure communication by protecting the data-link layer protocol, generally IP, in an encapsulation protocol called VPN protocol: for example, the Point-to-Point Tunneling Protocol (PPTP). Aside from its encapsulation function, the VPN protocol also provides authentication through the use of certificates or username/password credentials and supports a number of authorization protocols.
VPN is a very popular alternative for corporations that need to provide network resources to mobile employees or to remote offices access users. The alternative would be to provide either straight access through the Internet, which is a high security risk, or leased line, which can be costly. Existing server and firewall equipment can usually be used to establish VPN connections since a range of network devices and operating systems support VPN technology.
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IP Sec, SSL, TLS
tunnels
VPNs
Elements that have some characteristics of a metal and some characteristics of a nonmetal are called semimetals or metalloids.
Elements that have some characteristics of a metal and some characteristics of a nonmetal are called semimetals or metalloids.
Elements that have some characteristics of a metal and some characteristics of a nonmetal are called semimetals or metalloids.
name some characteristics for volume
Proxies are out of date and not really reliable. Use VPNs.
Elements that have some characteristics of a metal and some characteristics of a nonmetal are called semimetals or metalloids.
What are some characteristics of Dred Scott