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Q. |
If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period? |
A. | 21.6 sec |
B. | 42.2 sec |
C. | 57.6 sec |
D. | 98.2 sec |
Answer» C. 57.6 sec |
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