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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.
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
Parallel Construct The syntax of the parallel construct is as follows: #pragma omp parallel [set of clauses] where clause is one of the following: structured-block if(sca
Addressing Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
Q. What do you mean by Addressing? Addressing Require to uniquely and universally identify every device to allow global communication Internet address or IP address is us
802.11 FHSS Frequency-hopping spread spectrum in a 2.4 GHz band Carrier sends on one frequency for short duration then hops to another frequency for same duration, hops agai
Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a
Point out the major advantages of Ring Topology. The benefits of ring topologies are: a. They are very simple to troubleshoot because every device incorporates a repeater.
What is Message Oriented Middleware (MOM)? MOM permits general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate over n
define the concept of routing protocol?
Discuss the interdependence of networking hardware and software. Is it possible to have one without the other?
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