单项选择题
A.383 B.384 C.385 D.386
A.集线器 B.协议转换器 C.网桥 D.路由器
A.(102,87,100,79,82,62,84,42,22,12,68) B.(102,100,87,84,82,79,68,62,42,22,12) C.(12,22,42,62,68,79,82,84,87,100,102) D.(102,87,42,79,82,62,68,100,84,12,22)