Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）

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  A . Increase RAM Memory for the Router B . Secure Configuration Files Distribution C . Storage of Removable Credentials D . Remote Administration E . Secure Device Authentication F . Bulk Flash storage

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• Which spanning tree mode will allow you to put multiple vlans into one instance？

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• Which statement describes a spanning-tree network that has converged?（）

  A . All switch and bridge ports are in the forwarding state. B . All switch and bridge ports are assigned as either root or designated ports. C . All switch and bridge ports are in either the forwarding or blocking state. D . All switch and bridge ports are either blocking or looping.

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• Spanning Tree Protocol IEEE 802.1 s defines the ability to deploy which of these？（）

  A . one global STP instance for all VLANs B . one STP instance for each VLAN C . one STP instance per set of VLANs D . one STP instance per set of bridge

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• Spanning Tree Protocol calculates path cost based on which of these？ （）

  A .  interface bandwidth B .  interface delay C .  interface bandwidth and delay D .  hop count E .  bridge priority

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• Which option correctly identifies the four main menus of a Cisco Wireless Control System （WCS）？ （）

  A .  Home， Configure， Location， and Monitor B .  Home， Configure， Monitor， and Refresh C .  Home， Monitor， Refresh， and Administration D .  Monitor， Configure， Location， and Administration E .  Monitor， Configure， Refresh， and Administration F .  Monitor， Location， Refresh， and Administratio

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• Under which two circumstances should Spanning Tree Protocol be implemented?（）

  A . to ensure a loop-free topology B . to protect against user-side loops C . when a VLAN spans access layer switches D . for the most deterministic and highly available network topology E . because of the risk of lost connectivity without Spanning Tree Protocol

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• Which standard supports multiple instances of spanning tree？（）

  A . 802.1D B . 802.1s C . 802.1w D . 802.1z

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• Cisco Express Forwarding has been enabled on router TK1.  With CEF， prefixes that require exception processing can be cached with one of which four special adjacencies？ （）

  A . Kick B . Drop C . Forward D . Null E . Discard F . Glean G . Expre

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• Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these？ （）

  A . one global STP instance for all VLANs B . one STP instance for each VLAN C . one STP instance per set of VLANs D . one STP instance per set of bridge

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• Which two statements about spanning tree path cost are true？（）

  A . The path cost can be changed for an interface using the spanning-tree cost command B . The path cost can be changed for an interface using the stp path-cost command C . The SPT default path cost depends on the interface speed D . The STP default path cost is similar for all interface

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• Refer to the exibit. Three cisco 2950 switches are set to their default priority settings.During the spanning-tree process，which switch will be elected as the root bridge？（）https://assets.asklib.com/images/image2/2018072314082137678.jpg

  A . Switch3 B . Switch4 C . Switch2 D . Switch1

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• What Cisco technology protects against Spanning-Tree Protocol manipulation？（）

  A .  Spanning tree protect B .  Root Guard and BPDU Guard C .  Unicast Reverse Path Forwarding D .  MAC spoof guard E .  Port Security

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• Which of the following are spanning tree port states?（）

  A . Learning B . Spanning C . Listening D . Forwarding E . Initializing F . Filtering G . Permitting

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• Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）

  A .  PortFast B .  UplinkFast C .  loop guard D .  root guard E .  BPDU guard F .  BackboneFast

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• Under which two circumstances should Spanning Tree Protocol be implemented？ （）

  A .  to ensure a loop-free topology B .  to protect against user-side loops C .  when a VLAN spans access layer switches D .  for the most deterministic and highly available network topology E .  because of the risk of lost connectivity without Spanning Tree Protocol

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• By default, which of the following factors determines the spanning-tree path cost?（）

  A . It is the individual link cost based on latency B . It is the sum of the costs based on bandwidth C . It is the total hop count D . It is dynamically determined based on load

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• When creating a QoS policy dialog box in Cisco UCSM， which four fields can be modified？（）

  A .  name B .  best-effort C .  burst D .  rate E .  host control

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• Which four are components of the Cisco collaboration Architecture strategy?（）

  A . video B . intercompany communications C . covergence protocols D . dedicated networking E . clod computing F . enterprise social networking G . interoperability

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• Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these？（）

  A .  one global STP instance for all VLANs B .  one STP instance for each VLAN C .  one STP instance per set of VLANs D .  one STP instance per set of bridge

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• Which two statements best describe spanning-tree BPDU processing for a blocking port？（）

  A . BPDUs that enter a blocking port are discarded. B . BPDUs that enter a blocking port are processed. C . Loopguard puts an interface into a loop-inconsistent state when BPDUs stop being received on a blocking port. D . BPDUs are only processed on forwarding ports.

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• Which three options are considered in the spanning-tree decision process？（）

  A . lowest root bridge ID B . lowest path cost to root bridge C . lowest sender bridge ID D . highest port ID E . highest root bridge ID F . highest path cost to root bridge

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