A.S口是串口標(biāo)準(zhǔn) B.S口是以太網(wǎng)標(biāo)準(zhǔn) C.和E口一樣 D.以上說法都錯誤
A.OSPF B.RIP C.PPP D.BGP
A.sh mac-address-table B.show route C.sh run D.sh mac