A.間接B.直接C.轉(zhuǎn)發(fā)D.端到端
A.112.213.12.23 B.210.123.23.12 C.23.123.213.23 D.156.123.32.12
A.連接方式 B.數(shù)據(jù)鏈路地址 C.網(wǎng)卡物理地址 D.傳輸?shù)刂?/p>