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Q. What is Manchester?
- Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation
- Negative-to-positive represents binary 1
- Positive-to-negative symbolize binary 0
- Achieves similar level of synchronization with only 2 levels of amplitude
Error detection and correction The digital traffic stream of second generation systems also lends itself to the use of error detection and correction methods. The result can be
Mention different categories of computer networks (on the basis of scale) and distinguish one from the other. Local Area Network (LAN): Metropolitan Area Network (MAN): W
Network Service Model The network service model defines the characteristics of end to end transport of data between one edge of the network to the other that is betwe
the equation x3-6x+9x-5=0
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
What is the different type of networking / internetworking devices? Repeater: Also called a regenerator, it is an electronic device that operates only at physical layer. I
Q. Which steps are used at receiver end by check sum? The receiver follows these steps: The unit is divided into "k" sections each of "n" bits All sections are
Explain L2F protocol?
Consider the following network example. With the indicated link costs along each link in the figure, use Dijkstra's shortest-path algorithm to compute the shortest path from x to a
UDP sends packets 'blind' down the network, and relies on upper-layer protocols to form connections and identify errors. TCP is a connection-oriented protocol that can give reliabl
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