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多选题
Which two RSTP port roles include the port as part of the active topology？（）
A
root
B
designated
C
alternate
D
backup
E
forwarding
F
learning
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Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in aswitched network environment?() (Choose two.)
A. Features such as UplinkFast and BackboneFast are compatible with RSTP.B. An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.C. Cisco proprietary enhancements are not transparent.D. Information about port roles is sent to all switches.E. RSTPs that are based on Cisco products require no additional configuration.
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Which two states are the port states when RSTP has converged?()
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Which three statements about RSTP are true?()
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Which two of these statements regarding RSTP are correct?()
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Which two ports are used with RADIUS authentication and authorization？（）A、UDP port 1812B、UDP port 2000C、TCP port 2002D、UDP port 1645
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Which of the following will generate an RSTP topology change notification？（）A、 an edge port that transitions to the forwarding stateB、 a non-edge port that transitions to the blocking stateC、 a non-edge port that transitions to the forwarding stateD、 an edge port that transitions to the blocking stateE、 any port that transitions to the blocking stateF、 any port that transitions to the forwarding state
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Which two statements correctly describe characteristics of the PortFast feature？ （）A、STP will be disabled on the port.B、PortFast can also be configured on trunk ports.C、PortFast is required to enable port-based BPDU guard.D、PortFast is used for both STP and RSTP host ports.E、PortFast is used for STP-only host ports.
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Which two RSTP port roles include the port as part of the active topology？（）A、rootB、designatedC、alternateD、backupE、forwardingF、learning
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Which three statements about RSTP aretrue?（）A、RSTP significantly reduces topology reconverging time after a link failure.B、RSTP expends the STP port roles by adding the alternate and backup roles.C、RSTP portatates are blocking,discarding,learing,orforwarding.D、RSTP also uses the STP proprsal-agreement sequence.E、RSTP use the same timer-baseed process as STP on point-to-point links.F、RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
考题
Which two states are the port states when RSTP has converged?（）A、blockingB、learningC、discardingD、forwardingE、listening
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Which three port states are used by RSTP 802.1w？（）A、ListeningB、LearningC、ForwardingD、BlockingE、DiscardingF、Disabled
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The Cisco 6100 XP Fabric Interconnect is available in Which two configurations?（）A、20 port+expansion moduleB、24 port+expansion moduleC、40 port+expansion moduleD、48 port+expansion module
考题
Which three statements about RSTP are true？（）A、RSTP significantly reduces topology reconverging time after a link failure.B、RSTP expends the STP port roles by adding the alternate and backup roles.C、RSTP port states are blocking，discarding，learing，or forwarding.D、RSTP also uses the STP proprsal-agreement sequence.E、RSTP use the same timer-baseed process as STP on point-to-point links.F、RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
考题
Which statement is correct about RSTP port roles？（）A、The designated port is the switch port on every nonroot bridge that is the chosen path to theroot bridge. There can be only one designated port on every switch. The designated portassumes the forwarding state in a stable active topology. All switches connected to a given segment listen to all BPDUs and determine the switch that will be the root switch for a particular segment.B、The disabled port is an additional switch port on the designated switch with a redundant link to the segment for which the switch is designated. A disabled port has a higher port ID than the disabled port on the designated switch. The disabled port assumes the discarding state in astable active topology.C、The backup port is a switch port that offers an alternate path toward the root bridge. The backup port assumes a discarding state in a stable， active topology. The backup port will be present on nondesignated switches and will make a transition to a designated port if the current designated path fails.D、The root port is the switch port on every nonroot bridge that is the chosen path to the root bridge. There can be only one root port on every switch. The root port assumes the forwarding state in a stable active topology.
考题
Which two of these statements regarding RSTP are correct? （）A、RSTP cannot operate with PVST+.B、RSTP defines new port roles.C、RSTP defines no new port states.D、RSTP is a proprietary implementation of IEEE 802.1D STP.E、RSTP is compatible with the original IEEE 802.1D STP.
考题
Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true？（） A、 A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B、 SAN port channels can include up to 16 interfaces.C、 SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D、 The links in SAN port channels can be connected to different sets of switches.E、 The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.
考题
多选题Which three statements about RSTP are true？（）ARSTP significantly reduces topology reconverging time after a link failure.BRSTP expends the STP port roles by adding the alternate and backup roles.CRSTP port atates are blocking，discarding，learing，orforwarding.DRSTP also uses the STP proprsal-agreement sequence.ERSTP use the same timer-baseed processas STP on point-to-pointlinks.FRSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
考题
单选题Which statement is correct about RSTP port roles？（）A
The designated port is the switch port on every nonroot bridge that is the chosen path to theroot bridge. There can be only one designated port on every switch. The designated portassumes the forwarding state in a stable active topology. All switches connected to a given segment listen to all BPDUs and determine the switch that will be the root switch for a particular segment.B
The disabled port is an additional switch port on the designated switch with a redundant link to the segment for which the switch is designated. A disabled port has a higher port ID than the disabled port on the designated switch. The disabled port assumes the discarding state in astable active topology.C
The backup port is a switch port that offers an alternate path toward the root bridge. The backup port assumes a discarding state in a stable， active topology. The backup port will be present on nondesignated switches and will make a transition to a designated port if the current designated path fails.D
The root port is the switch port on every nonroot bridge that is the chosen path to the root bridge. There can be only one root port on every switch. The root port assumes the forwarding state in a stable active topology.
考题
多选题Which two of these statements regarding RSTP are correct?（）ARSTP cannot operate with PVST+.BRSTP defines new port roles.CRSTP defines no new port states.DRSTP is a proprietary implementation of IEEE 802.1D STP.ERSTP is compatible with the original IEEE 802.1D STP.
考题
多选题avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）AInformation about port roles is sent to all switches.BRSTPs that are based on Cisco products require no additional configuration.CFeatures such as UplinkFast and BackboneFast are compatible with RSTP.DAn RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.
考题
单选题Which of the following will generate an RSTP topology change notification？（）A
an edge port that transitions to the forwarding stateB
a non-edge port that transitions to the blocking stateC
a non-edge port that transitions to the forwarding stateD
an edge port that transitions to the blocking stateE
any port that transitions to the blocking stateF
any port that transitions to the forwarding state
考题
多选题Which two states are the port states when RSTP has converged？（）AblockingBlearningCdisabledDforwardingElistening
考题
单选题IEEE 802.1w is a Rapid Spanning Tree Protocol （RSTP） that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w？（）A
root port，designated port，alternate port，backup port，and disabledB
standby port，alternate port，root port，and disabledC
standby port，designated port，backup port，and disabledD
root port，designated port，alternate port，and standby port
考题
多选题Which three port states are used by RSTP 802.1w？（）AListeningBLearningCForwardingDBlockingEDiscardingFDisabled
考题
多选题Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in aswitched network environment?（） (Choose two.)AFeatures such as UplinkFast and BackboneFast are compatible with RSTP.BAn RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.CCisco proprietary enhancements are not transparent.DInformation about port roles is sent to all switches.ERSTPs that are based on Cisco products require no additional configuration.
考题
多选题Which two statements correctly describe characteristics of the PortFast feature？ （）ASTP will be disabled on the port.BPortFast can also be configured on trunk ports.CPortFast is required to enable port-based BPDU guard.DPortFast is used for both STP and RSTP host ports.EPortFast is used for STP-only host ports.
考题
单选题Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true？（）A
A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B
SAN port channels can include up to 16 interfaces.C
SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D
The links in SAN port channels can be connected to different sets of switches.E
The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.
考题
多选题Which two RSTP port roles include the port as part of the active topology？（）ArootBdesignatedCalternateDbackupEforwardingFlearning
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