Question

In a strict sure security path ABCD, where A, B, C, D
are routers, the maximum bandwidth is found to be 500
kbps, 700 kbps, 900 kbps, 300 kbps respectively. What
is the effective bandwidth if no buffering is possible?
(A) 600 kbps
(B) 900 kbps
(C) 300 kbps
(D) 2400 kbps​

Answer 1

not sure but options (a) is right