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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.
Bridge A bridge operation sin both physical and data link layer of OSI model. At physical layer it works like repeater as it regenerates the signal and performs int
Sonet Frame Transaction Transmitted one subsequent to another without any gap in between. First 2 bytes - alignment bytes. F628 in Hex. - define the beginning of every
Convergence time is slower for Distant Vector routing and is faster for Link State routing.
Tree interconnection network: In tree interconnection network, processors are organised in a complete binary tree pattern. Figure: Tree interconnection network
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
PVM uses two environment variables when starting and running. Every PVM user needs to set these two variables to use PVM. The initial variable is PVM_ROOT, which is set to the loca
Q. Host System in TCP-IP model? - Standards adopted because of widespread use like (Internet) - The protocols came first plus the model was really just a description of the
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
State the reason for Intranet system breaks down Care must be taken to ensure that proper spare parts are available even after about five years of commissioning. In addition t
What are the functions of the typical server program? Ans) It waits for client-initiated requests. Implements many requests at the similar time. Takes care of VIP clients first.
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