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What do mean by tunnel mode?
This is a mode of data exchange wherein two communicating computers do not use IPSec themselves. Instead, the gateway that is linking their LANs to the transit network makes a virtual tunnel that uses the IPSec protocol to secure all communication that passes by it.
Physical Media In order to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider a bit travelling from one end system through a serie
Q. Show the IP Address Representation? IP Addressing IP Address Representation Binary notation - IP address is displayed as 32 bits Dotted-decimal notation -
Buffering This protocols provides the advantage of buffering to the receiver can buffer any out of order packets after being received by sending acknowledgment when
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explain layered protocol architecture
Q. Define Ring Topology? Dedicated point-to-point arrangement to neighbours Signal is conceded from device to device until it reaches destination Every device functio
What is Synchronous TDM? In STDM, the multiplexer allocates exactly the same time slot to every device at all times, whether or not a device has anything to transmit.
QUESTION 1: (a) Define what you understand by the following terms in Network Flows: i) UnDirected Path ii) Directed Path iii) Directed Cycle. iv) Tree In each of the abov
Write the Generic Name of the OSI Layer a) The figures below illustrate, side by side, the OSI 7-layer reference model and the Internet protocol stack. Inside each box represen
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
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