A. show ip access-list B. show access-list C. list ip interface D. show interface E. show ip interface
A. BackboneFast B. UplinkFast C. Root Guard D. BPDU Guard E. BPDU Filter
如下圖,一名管理員ping默認網(wǎng)關(guān)發(fā)現(xiàn)如下輸出,最有可能是那一層OSI出問題?()
A.data link layer B.application layer C.access layer D.session layer E.network layer