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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.
What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
100Base-FX Utilizes two identical optical fibers in star topology One fiber holds frames from the station to hub one from hub to station Encoding is 4B/5B Si
8088 pin diagram
Q. Subnet layer of the TCP-IP model? These two layers of the OSI correspond straight to the subnet layer of the TCP/IP model. Majority of the time the lower layers under the
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
The term signaling is used to define communication about the network, as opposed to interaction that just uses the network. A computer uses signaling with reserved VCI/VPI numbe
Clients and Servers are dividing logical entities that work together over a network to accomplish a task. Many systems with very dissimilar architectures that are connected togethe
Write the definition of SAN A SAN is a separate network to handle storage requirements. The SAN detaches storage tasks from specific servers and makes a shared storage facility
Solve the following CPM/PERT Network Analysis problem: Given the following network and activity time estimates, determine earliest and latest activity times, slack, the expecte
What are the benefits of wireless devices One benefit is that if everyone uses standard, everyone can talk to anyone. Another benefit is that extensive use of any standard will
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