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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
how can I establish a home net work by using cables and wieless
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
What is Applets Little programs that can make the Web pages more aesthetically beautiful by means of animations, text, and graphics moving across the screen.
To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached d
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
Q. What is Virtual LANs? Virtual LANs - LAN (Local area network) configured by software not by physical wiring Virtual LANs - Divides a LAN into logical, in
Circuit switching is a term used in communication where the communicating nodes will be connected through a dedicated channel before any communication may take place. The methodolo
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
What is the importance of Encryption on a network? Encryption is the process of translating information into a code that is unreadable by the user. It is then translated back o
What is a jam signal A jam signal is broadcasts to network by the transmitting stations that detected the collision to ensure that all stations know of the collision. Every st
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