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| Q. |
In systems, resources are allocated on demand. |
| A. | packet switching |
| B. | circuit switching |
| C. | line switching |
| D. | frequency switching |
| Answer» A. packet switching | |
| Explanation: in packet switching, the bits are received in out of order and need to be assembled at the receiver end, whereas in the case of circuit switching, all the bits are received in order. all transmissions may not occur through the same path in case of packet switching. | |
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