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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.
FDDI Media FDDI signifies a 100 Mbps token-passing dual-ring LAN that uses a fiber-optic transmission medium. Even though it operates at faster speeds FDDI is similar to Tok
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
10Base2 an Ethernet term meaning a maximum transmitting rate of 10 Megabits per second that uses baseband signaling, with a contiguous cable segment length of 200 meters (185mts).
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
What is SAP? Series of interface points that permit other computers to interact with the other layers of network protocol stack is known as SAP.
Fat tree It is a modified version of the tree network. In this group the bandwidth of edge (or the connecting wire among nodes) increases towards the root. It is a more practic
Recalling two FEC schemes for internet phone described. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-ra
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
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