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In data transfer phase, how many columns does the table contain?(a) 1(b) 2(c) 3(d) 4I have been asked this question by my college professor while I was bunking the class.Question is taken from Virtual Circuit in chapter Frame Relay of Computer Network

Answer»

Correct answer is (d) 4

Easiest EXPLANATION: The SWITCH maintains a table for each Virtual Circuit Network. In the data transfer phase, it maintains 2 columns each for INCOMING data and outgoing data. The columns are in the following order: SOURCE port, Source VCI, DESTINATION port, Destination VCI.



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