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Design the user interface for mode switching and data entry any way that you like. For example, to switch an application from transmit mode to receive mode, you can give it special
Q. Why it is essential to have layering in a network? Ans: A computer network is a very complicated system. It becomes very hard to implement as a single entity. The layered ap
By entering a 16 as the hop count, the other routers recognize that the destination is unreachable.
What is the importance of implementing a Fault Tolerance System? Are there limitations? A fault tolerance system makes sure continuous data availability. This is done by elimin
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
Q. Fiber-Optic Cable as transmission media? - Made of glass signals are transmit like light pulses from an LED or laser - Light is as well a form of electromagnetic energy
Ping and Traceroute are used by ICMP for Testing. Destination Unreachable messages are obtained by a router when it does not have a route to the network.
discuss the communication model from the source to the destination including the detailed account of the task that must be performed in data communication system
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
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