單項(xiàng)選擇題

What is the STP root guard feature designed to prevent？（）

A.a root port being transitioned to the blocking state
B.a port being assigned as a root port
C.a port being assigned as an alternate port
D.a root port being transitioned to the forwarding state

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單項(xiàng)選擇題

IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）

A.root port，designated port，alternate port，backup port，and disabled
B.standby port，alternate port，root port，and disabled
C.standby port，designated port，backup port，and disabled
D.root port，designated port，alternate port，and standby port

單項(xiàng)選擇題

For the following ports， which port is on every bridge in a Spanning Tree Protocol IEEE 802.1w network except the root bridge？（）

A.root port
B.backup port
C.designated port
D.alternate port

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What is the STP root guard feature designed to prevent？（）

你可能感興趣的試題

IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）

For the following ports， which port is on every bridge in a Spanning Tree Protocol IEEE 802.1w network except the root bridge？（）

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What is the STP root guard feature designed to prevent？（）

For the following ports， which port is on every bridge in a Spanning Tree Protocol IEEE 802.1w network except the root bridge？（）