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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.
State about data and data files - Information The third and major component of the system liable to be attacked is the data and data files used by the company. It is the most s
What is the Frame A presentation format, which enables Web page designers and users to mark a part of the screen for links to other pages. Frames usually appear on the left
Three layers are called upper layers a) Application Layer - 7 b) Presentation Layer - 6 c) Session Layer - 5
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
NICs Network interface cards, commonly referred to as NICs are used to connect a PC to a network. The NIC gives a physical connection among the networking medium and the comput
short note on redhat updation details? why redhat is popular?
Process of Securing an Intranet Securing an Intranet is not a simple task. Mere installation of firewall hardware and software would not help the Intranet to protect itself. P
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
What is the different type of networking / internetworking devices? Repeater: Also called a regenerator, it is an electronic device that operates only at physical layer. I
Configure the Host Computers Step 1: Configure host computers. Configure the static IP address, subnet mask, and gateway for every host computer based on the configuration
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