What is common between X.25 Packet switching and Fast Packet Switching

PYQ RPSC Programmer 2011

1. A.

   In both of them bandwidth is used only when there is something to transmit

2. B.

   Both supports high speed data (T1 speed and up)

3. C.

   Both supports sharing of the same channel to carry voice, data and video

4. D.

   In both of them transmit delays are low enough to handle voice traffic

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