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单选题
Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）
A
BackboneFast
B
UplinkFast
C
Root Guard
D
BPDU Guard
E
BPDU Filter
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考题
单选题While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate?（）A
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48 Ethernet 10/100 portsB
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考题
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show port networkB
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show controllers Ethernet-controllerD
show interfaces
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单选题Which Cisco Catalyst switches fit in the access area？（）A
Cisco Catalyst 2900 Series，Catalyst 7300 Series，and Catalyst 8000 SeriesB
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考题
单选题Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）A
BackboneFastB
UplinkFastC
Root GuardD
BPDU GuardE
BPDU Filter
考题
单选题While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate（）。A
The port is experiencing errorsB
The port is administratively disabledC
The port is blocked by spanning treeD
The port has an active link with normal traffic activity
考题
单选题Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）A
The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch portB
The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.C
The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch portD
The default network setting is HIGH
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