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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.
What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
These are fully-loaded machines which consists of multiprocessors, high-speed disk arrays for interview I/O and fault tolerant features.
Describe unbound transmission media. Unbound transmission media are the media of transmitting data without using any cables. These are not bounded by any physical geography. Ex
Cut-Through is the best mode of switching. Store and Forward reads in the whole frame, confirms the frame is valid, and then forwards the frame onto the wire. Cut-Through only chec
Hardware difficulty of Benz Network: - Benz network uses smaller switches and it gives excellent connectivity. To find hardware difficulty of Benz network let us presume that
Q. Show the Drawbacks of Go-back-N? Drawbacks of Go-back- N - Inefficient - Every out of order received packets are discarded (receiver side is simplified) - This
Determine about the Address Translation When a Web site address or URL is typed in the Web browser, as www.bbc.com and not as a series of numbers, it is essential for the serv
We studied Dijkstra's link-state routing algorithm for computing the unicast paths that are individually the shortest paths from the source to all destinations. The union of these
Work-Sharing Constructs A work-sharing construct distributes the implementation of the associated region between the members of the team that encounters it. A work-sharing cons
a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer
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