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Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
Groupware addresses the management of semi-structured information like text, image, mail, bulletin boards and the flow of work. These Client/Server systems have people in direct co
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
If the amount of the application runs on the Client side, then it is Fat clients. It is mostly used for decision support and personal software. If the amount of the application
What are the IP address ranges for public and private IP address?
Virtual Private Network ( VPNs) When we use the internet or the risks to the security of our data arise. The solve the security problem a virtual private network used for
IPv6 The internet engineering task force begin the effort to develop a successor protocols to IPv4 in the early 1990 is an internet layer protocols for packet switched
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
In link-state routing network topology is filled from route calculation. Switches send link-state information about local joins. Every switch creates own routing tables. It needs
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