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802.11g OFDM
a) Uses OFDM with same 2.4 GHz band
b) Achieves a 54-Mbps data rate
c) Works with same 802.11b equipment
Q. Error Detection-Redundancy? In its place of repeating the entire data stream a shorter group of bits may be appended to the end of each unit. Called as -redundancy?
CAM- Content Address Memory. Its another name of MAC address table.
Q. What is Sliding Window protocols? Alternatives: Sliding Window protocols - One task begins prior to the other one ends (concept of
What can be done to fix signal attenuation problems? A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus
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Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
TP Monitor does mainly two things extremely well. They are Process management and Transaction management? They were originally introduced to run classes of applications that co
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1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
How an Ethernet Worked? The operation of Ethernet can be explained in simple terms as follows: Each computer on the Ethernet Network, also called as a node, operates indepen
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