3. 交換器只會將傳播封包傳送至上行連接埠:
(A)是
(B)否
答案:登入後查看
統計: A(96), B(207), C(0), D(1), E(0) #2843739
統計: A(96), B(207), C(0), D(1), E(0) #2843739