單項選擇題

A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state，
which command should be configured to satisfy the requirement？（）

A.Switch（config）#spanning-tree loopguard default
B.Switch（config-if）#spanning-tree bdpufilter
C.Switch（config）#udld aggressive
D.Switch（config-if）#spanning-tree bpduguard

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單項選擇題

Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs？（）

A.spanning-tree guard root
B.spanning-tree portfast bpduguard default
C.spanning-tree bpduguard enable
D.spanning-tree bpdufilter enable
E.spanning-tree portfast bpdufilter default

單項選擇題

Which of the following conditions guarantees that a broadcast storm cannot occur？（）

A.a native VLAN mismatch on either side of an 802.1Q link
B.BPDU filter configured on a link to another switch
C.Spanning Tree Protocol enabled on both Layer 2 and multilayer switches
D.PortFast enabled on all access and trunk ports

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A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state， which command should be configured to satisfy the requirement？（）

你可能感興趣的試題

Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs？（）

Which of the following conditions guarantees that a broadcast storm cannot occur？（）

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A port in a redundant topology is currently in the blocking state and is not receiving BPDUs. To ensure that this port does not erroneously transition to the forwarding state，
which command should be configured to satisfy the requirement？（）

Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs？（）

Which of the following conditions guarantees that a broadcast storm cannot occur？（）