問題詳情
48. 滑動訊窗(Sliding window)協定中,於發送者側,上一訊框發送(Last Frame Sent, LFS)、上一確認收到(Last Acknowledgement Received, LAR)與發送訊窗大小(Send Window Size, SWS)三者間的關係為何?
(A)SWS–LAR<LFS
(B)SWS+LAR<LFS
(C)LFS+LAR<=SWS
(D)LFS–LAR<=SWS。
參考答案
答案:D
難度:適中0.666667
統計:A(1),B(0),C(0),D(2),E(0)