A node X on a 10 Mbps network is regulated by a token bucket. The token bucket is filled at a rate of 2 Mbps. Token bucket is initially filled with 16 megabits. The maximum duration taken by X to transmit at full rate of 10 Mbps is _________ secs.
In given question token bucket is filling @ 2 Mbps.
Token bucket capacity(b) = 16 Mb
Maximum possible transmission rate (M) = 10 Mbps.
Maximum duration taken by X for transmission = b / (M - r) i.e. = 16 / (10 - 2) = 2 seconds
So, option (B) is correct.
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