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 defaultB、Switch(config-if)#spanning-tree bdpufilterC、Switch(config)#udld aggressiveD、Switch(config-if)#spanning-tree bpduguard

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

相关考题:

The ML-series Ethernet card on the ONS 15454 provides up to ()active Q-in-Q instances per card.A、255B、512C、1024D、4096

Which router or router combination is used to calculate the MPLS traffic engineering tunnel path?()A、head-end router and tail-end routerB、middle-point routerC、head-end routerD、tart-end routerE、tail-end router

当将多个交换机加入到MST region当中会发生什么(what happen)?

Given the output of the Floor3 switch, what statement describes the operation of this switch()。A、VTP is disabled on this switch.B、The switch can create, change, and delete VLANs.C、The switch learns VLAN information but does not save it to NVRAM.D、The switch can create VLANs locally but will not forward this information to other switches.E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.

一个不多于50台主机的网络,合适它的掩码是多少?