Q72

MCQ2 marks, −0.5

A channel has a bit rate of $4$ $kbps$ and one-way propagation delay of $20$ $ms$ . The channel uses stop and wait protocol. The transmission time of the acknowledgment frame is negligible. To get a channel efficiency of at least $50$$\text{%}$ , the minimum frame size should be

(A)

$80$ $\text{bytes}$

(B)

$80$ $\text{bits}$

(C)

$160$ $\text{bytes}$

(D)

$160$ $\text{bits}$

Loading…