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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.
QUESTION (a) Briefly describe three security requirements of an agent (b) List four threats that may be caused by malicious hosts to mobile agents (c) Describe the forwar
Explain the Forward congestion avoidance process Notifies the user that congestion avoidance process should be initiated where applicable for traffic in the similar direction a
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Classification of Access Networks Access networks can loosely be classified into three categories 1. Residential Access 2. Company Access 3. Wireless Access
OSI= Open System Interconnection.
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THE high spectral efficiency makes OFDM a suitable technology to meet the demands of wireless data traffic. A currently discussed new application are OFDM based overlay systems. In
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What is mesh network? A network in which there are many network links among computers to provide multiple paths for data to travel.
Sonet Frame Transaction Transmitted one subsequent to another without any gap in between. First 2 bytes - alignment bytes. F628 in Hex. - define the beginning of every
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