Telecommunications Question:
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To send a data packet using datagram , connection will be established?
a) before data transmission.
b) connection is not established before data transmission.
c) no connection is required.
d) none of the above.

(c)

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When a C function call is made, the order in which parameters passed to the function are pushed into the stack is? a) left to right b) right to left c) bigger variables are moved first than the smaller variables. d) smaller variables are moved first than the bigger ones. e) none of the above.	A 2MB PCM(pulse code modulation) has? a) 32 channels b) 30 voice channels & 1 signaling channel. c) 31 voice channels & 1 signaling channel. d) 32 channels out of which 30 voice channels, 1 signaling channel, & 1 synchronization channel.