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多項選擇題

Which two states are the port states when RSTP has converged?（）

A.blocking
B.learning
C.discarding
D.forwarding
E.listening

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多項選擇題

VPN的網(wǎng)絡(luò)類型有（）

A.站點到站點
B.站點到端點
C.端點到端點
D.遠程訪問

單項選擇題

Which command can you use to determine the cisco ios feature set on a cisco router？（）

A.show version
B.dir flash：include ios
C.show environment
D.show diag
E.show inventory

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