Specifications

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QUESTION 66
You are the administrator of a switch and currently all host-connected ports are configured with
the portfast command. You have received a new directive from your manager that states that, in
the future, any host- connected port that receives a BPDU should automatically disable PortFast
and begin transmitting BPDUs. Which command will support this new requirement?
A. Switch(config)#spanning-tree portfast bpduguard default
B. Switch(config-if)#spanning-tree bpduguard enable
C. Switch(config-if)#spanning-tree bpdufilter enable
D. Switch(config)#spanning-tree portfast bpdufilter default
Correct Answer: D
QUESTION 67
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?
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
Correct Answer: A
QUESTION 68
Which command can be issued without interfering with the operation of loop guard?
A. Switch(config-if)#spanning-tree guard root
B. Switch(config-if)#spanning-tree portfast
C. Switch(config-if)#switchport mode trunk
D. Switch(config-if)#switchport mode access
Correct Answer: C
QUESTION 69
Which statement is a characteristic of multi-VLAN access ports?