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Explain LAN Topologies and its basic topologies.
LAN Topologies: Network topology is a physical schematic that shows interconnection of the various users. There are four fundamental topologies as follows:
(i) Direct Connection or one to all topology
(ii) Star topology
(iii) Bus Topology
(iv) Ring topology
What is DMA operations? State its advantages. In order to transfer bulk amount of data among memory and I/O device without involvement of CPU, the Direct Memory Access metho
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