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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.
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
What is the method of HA and FA in VPN tunneling?
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
can we correct errors using crc?
Can you describe the concept of subnetting?
MPI parallel programs are written with conventional languages like, C and Fortran .One or more header files such as "mpi.h" may be needed to give the necessary definitions and dec
Describe Network Topology and VPN Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they j
1. A virtual memory system has a virtual address space of 4 Gigabytes and a page size of 8 Kilobytes. Each page table entry occupies 4 bytes. a) How many bits remain unchanged
Authoritative DNS Servers Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible D
Q. Mechanical Characteristics of RS232 interface? - 9-pin connector - 9-pin connector is more usually found in IBM-PC but it covers signals for asynchronous serial com
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