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Switch
Generally called as two layer switch . it performs on physical and data link layers. It is a bridge it has many ports that allow better performance. Since it is a bridge with many ports it allows allocating a unique port to each station hence each station has its own independent identity. It makes bridge performance better as it has a buffer to hold the frames for processing also it has a switching path that forwards the frame faster.
Q. Show the CRC-Performance ? CRC-Performance CRC is able to detect all burst errors that affect an odd number of bits CRC is able to detect all burst errors of
SWITCHING: A switched LAN has a single electronic device that sends frames among the connected devices. A hub with several ports simulates a single shared phase. However a swi
What is the full form of FDM and TDM It is both. Each of the 100 channels is possess its own frequency band (FDM), and on every channel two logical streams are intermixed by th
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802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
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Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
Classification according to level of processing According to this categorization computer operations are classified like arithmetic operations and instruction execution. Subseq
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