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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？（）
- A、hello timer
- B、BPDU timer
- C、Forward_delay timer
- D、Max_age timer
- E、Dead timer
- F、Wait timer
参考答案
更多 “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 timerB、BPDU timerC、Forward_delay timerD、Max_age timerE、Dead timerF、Wait timer” 相关考题
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Which of the following characteristics describe the Root Guard feature？（Choose all that apply.）（）A、The port must be put into forwarding state manually after root-inconsistent state has beencorrectedB、A Root Guard port receiving superior BPDU goes into a root-inconsistent stateC、A Root Guard port receiving inferior BPDU goes into a root-inconsistent stateD、While the port is in a root-inconsistent state no user data is sent across that portE、The port returns to a forwarding state if inferior BPDUs stopF、It should be applied to all switch ports
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单选题As a network administrator， can you tell me what the root guard feature provides in a bridgednetwork？（）A
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考题
单选题What is the STP root guard feature designed to prevent？（）A
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a root port being transitioned to the forwarding state
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单选题Which of the following settings will reduce packet overhead and overall latency in a standalonepoint-to-point bridge deployment？（）A
enable concatenation on the non-root bridge onlyB
enable concatenation on the root bridge onlyC
enable concatenation on both the root bridge and non-root bridgeD
enable concatenation on the root bridge and set it as desirable on the non-root bridgeE
set concatenation as desirable on the root bridge and enable it on the non-root bridge
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考题
单选题Which of the following commands can be used to gain root privileges and profile without initially logging in as root?（）A
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考题
单选题Which of the following settings will reduce packet overhead and overall latency in a standalone point-to-point bridge deployment？（）A
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enable concatenation on the root bridge onlyC
enable concatenation on both the root bridge and non-root bridgeD
enable concatenation on the root bridge and set it as desirable on the non-root bridgeE
set concatenation as desirable on the root bridge and enable it on the non-root bridge
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单选题查看root用户的cron计时器设置的命令是（）。A
crontab-u root -lB
crontab -lC
crontab -u root -eD
crontab -u root -r
考题
多选题Which of the following characteristics describe the Root Guard feature？（Choose all that apply.）（）AThe port must be put into forwarding state manually after root-inconsistent state has beencorrectedBA Root Guard port receiving superior BPDU goes into a root-inconsistent stateCA Root Guard port receiving inferior BPDU goes into a root-inconsistent stateDWhile the port is in a root-inconsistent state no user data is sent across that portEThe port returns to a forwarding state if inferior BPDUs stopFIt should be applied to all switch ports
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