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VPN Technology
For an organization VPN technology uses some main techniques for privacy
a.Encryption /Authentication
b.Tunnelling
c.Fire walls
Explain Radio Wave. Although Radio waves are common and well understood, we are just starting to realize their enormous potential as a networking medium. Radio waves can operat
Describe the count-to-infinity problem in distance vector
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Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
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