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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 approach divides a very complex task into small pieces each of which is independent of others and it allow a structured approach in implementing a network. The basic idea of a layered architecture is to split the design into small pieces. Each layer adds to the services provided by the lower layers in such a manner that the highest layer is given a full set of services to manage communications and execute the applications.
OBJECTIVES After studying this part, you should be able to: Explain the Metrics for Performance Evaluation; Notify about various Parallel System Overheads; Desc
Internet addresses are divided in five distinct types of classes. The classes were designated A by E. class A address space lets a small number of networks although a large number
wan notes
The combinational circuits use the comparators for comparing the storing and number them on the basis of minimum and maximum functions. Likewise, in the interconnection networks th
Q. Show a simplex Stop and Wait automatic repeat request? A simplex Stop and Wait ARQ - Normal Operation - Frame lost - Acknowledgement lost - Acknowledgement de
What is difference between ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a
What is silly window syndrome? It is a difficulty that can ruin TCP performance. This problem happens when data are passed to the sending TCP entity in large blocks, but an int
Priority and Reservation Higher priority stations may possibly access the token sooner Each station has a priority code Since token passes by station waiting to t
compare routing algorithms with non adaptive algorithms
How do we continuously ping an IP Address?
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