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Frequency Division Multiplexing
Frequency division multiplexing (FDM) is an analogy technique that can be applied when the bandwidth of a link is greater than the combined bandwidths of the single to be transmitted. In FDM the bandwidth is devised into a number of frequency slots each of which can accommodate the single of an individual connection. The multiplexer assigns a frequency slot to each connection and uses modulation the place the single of the carries all the connections. The combined signal is transmitted and the de multiplexer recovers the single corresponding to each connection. Reducing the number of wires that need to be handled reduces the overall cost of the system.
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
How is final different from finally and finalize ()? Final is a modifier which can be applied to a class or a method or a variable. final class can't be inherited, final method
In slotted Aloha system, it has been measured that 70% of slots are occupied by frames (i.e. the remaining slots are empty). a) How many frames need to be transmitted, on aver
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
Responses Responses are sent from the server to the client. A responses is a three digit code that may be followed by additional textual information.
Control Flow: Once the client has established a network connection with a server, the server must instantiate a new, empty, BasicEnrollmentManager implementation for this client,
Question The circuit in the figure is driven by a 9 mV amplitude signal generator with an output impedance of 2 kW. What is the output voltage amplitude from the circuit in the
State the methods to keep the attackers at bay Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
Q. Show the Routing Table? Routing Table Every router remains a routing table that has one entry for every destination network of which the router is aware Proces
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