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A problem with __________ is that capacity is wasted because the medium will generally remain idle following the end of a transmission, even if there are one or more stations waiting to transmit.

(A) 1-persistent CSMA

(B) slotted ALOHA

(C) p-persistent CSMA

(D) nonpersistent CSMA

Ans is (D)

### 1 comment

why not B?

bcoz during station A slot time station B cant send , so  i think this one is also wastage.
I think D is the answer.