Consider the diagram showing A, B and C. Link 1 has a length

2.5Km and allows packets to be propagated at a speed of 250 x

10^6m/sec, while Link 2 has a length 5Km and allows packets to

be propagated at a speed of 250 x 10^6m/sec. Link 1 has

transmission rate 320Mb/s and Link 2 has transmission rate

200Mb/s

Node A sends a packet P1 and then it sends another packet P2

with 1200B immediately after it pushes all bits of P1 onto Link

1. What is the biggest size for P1 in Bytes such that there is

no queueing delay at Node B?

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