單項(xiàng)選擇題

If the root bridge fails， configuration BPDUs will no longer be sent. Which STP timer will have toexpire before the other switches can actively restore connectivity with topology change procedureof STP？（）

A.hello timer
B.BPDU timer
C.Forward_delay timer
D.Max_age timer
E.Dead timer
F.Wait timer

你可能感興趣的試題

Given the above diagram and assuming that STP is enabled on all switch devices， which twostatements are true？（）

A.DSW11willbe elected the root bridge
B.DSW12 will be elected the root bridge
C.ASW13 will be elected the root bridge
D.P3/1 will be elected the nondesignated port
E.P2/2 will be elected the nondesignated port
F.P3/2 will be elected the nondesignated port

問(wèn)答題

【簡(jiǎn)答題】
Refer to the output shown on switch SW1 below：
Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree loops. Use with caution.
Spantree ports 4/1-24 fast start enabled.
What command could you enter to reproduce this output？

答案： set spantree portfast 4/1-24 enable。

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If the root bridge fails， configuration BPDUs will no longer be sent. Which STP timer will have toexpire before the other switches can actively restore connectivity with topology change procedureof STP？（）

你可能感興趣的試題

Given the above diagram and assuming that STP is enabled on all switch devices， which twostatements are true？（）

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Given the above diagram and assuming that STP is enabled on all switch devices， which twostatements are true？（）