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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 SMTP? SMTP is short for Simple Mail Transfer Protocol. This protocol deals with all internal mail, and gives the essential mail delivery services on the TCP/IP protocol
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
10Base5 Connectors Transceiver - intermediary device as well called a medium attachment unit (MAU) Performs CSMA/CD function may perhaps contain small buffer Atta
Q. Describe Physical Layer in OSI layers model? Physical Layer : Controls the transmission of the actual data onto the network. It describes the electrical signals, line state
Normal 0 false false false EN-IN X-NONE X-NONE Metropolitan area Network ( MAN) Metropoli
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
Recognize the command to disable CDP on an interface Ans) Router(config-if)# no cdp enable
You are a system administrator on a NetWare network, you are running NetWare 4.11 and you cannot commune with your router. What do think what problem is? Ans)NetWare 4.11 defau
ARP(ADDRESS RESOLUTION PROTOCOL) is a network layer protocol which associates the physical hardware address of a network node(commonly called as a MAC ADDRESS) to its ip address. n
Network Allocation Vector Timer which shows how much time must pass before a station is allowed to check the channel
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