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Q. What is an Error?
At any time bits flow from one point to another they are subject to unpredictable changes because of interference
The interference is able to change the shape of the signal thus the bit value either from -1? to -0? or from -0? to -1?
The marketing term 'ISDN modem' was formed to help sell the ISDN idea to America. There is no such thing as an analog modulator demodulator for digital ISDN. The Terminal Adapter (
differntiate between error control and flow control in data link layer
Station Types No-transition mobility moreover stationary or moving only inside a BSS BSS-transition mobility is able to move from one BSS to another, but confined inside one
Error control in TCP-duplicate & out-of-order segment- Duplicate segment - The destination TCP merely discards the segment Out-of-order segment - Not acknowledged unt
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
List of protocols in Network topology,
Identify Connectivity Problems Step 1: Use the ping command to test network connectivity. Use the following table to test the connectivity of every network device.
You are logged into a router, what command would represent you the IP addresses of routers linked to you? Ans)show cdp neighbors detail
ACK Received If an ACK is received by the sender. The SR sender marks that packet as having been received by the receiver.
Question: (a) In relation with a cellular network architecture, describe the following terms: (i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing (b)
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