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In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Grade of service.
Soultion:
Grade of service in a particular excahange is
6 x 3/60 = 0.3 E
Which Layer is not present in TCP/IP model? Presentation layer is not present into Transfer Control Protocol/IP Model.
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