A. one global STP instance for all VLANs B. one STP instance for each VLAN C. one STP instance per set of VLANs D. one STP instance per set of bridges
A.安徽小崗村B.江蘇華西村C.河南南街村D.山西大寨村
A.社會(huì)福利功能B.社會(huì)行動(dòng)功能C.社會(huì)穩(wěn)定功能D.社會(huì)服務(wù)功能E.社會(huì)發(fā)展功能