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CCNA – RSTP

Sammy Javier Bar 9 questions

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Questions in this quiz (9)

  1. 1Which three statements about RSTP are true? (Choose three)
    1. AA. RSTP significantly reduces topology reconvening time after a link failure.
    2. BB. RSTP expands the STP port roles by adding the alternate and backup roles.
    3. CC. RSTP port states are blocking, discarding, learning, or forwarding.
    4. DD. RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
    5. EE. RSTP also uses the STP proposal-agreement sequence.
    6. FF. RSTP uses the same timer-based process as STP on point-to-point links.
  2. 2Why has this switch not been elected the root bridge for VLAN1?
    Image for question 2
    1. AA. It has more than one internee that is connected to the root network segment.
    2. BB. It is running RSTP while the elected root bridge is running 802.1d spanning tree.
    3. CC. It has a higher MAC address than the elected root bridge.
    4. DD. It has a higher bridge ID than the elected root bridge.
  3. 3Which command enables RSTP on a switch?
    1. AA. spanning-tree mode rapid-pvst
    2. BB. spanning-tree uplinkfast
    3. CC. spanning-tree backbonefast
    4. DD. spanning-tree mode mst
  4. 4Refer to the exhibit. Which statement is true?
    Image for question 4
    1. AA. The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.
    2. BB. VLAN 20 is running the Per VLAN Spanning Tree Protocol.
    3. CC. The MAC address of the root bridge is 0017.596d.1580.
    4. DD. SwitchA is not the root bridge, because not all of the interface roles are designated.
  5. 5Refer to the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? (Choose three)
    Image for question 5
    1. AA. All ports will be in a state of discarding, learning or forwarding.
    2. BB. Thirty VLANs have been configured on this switch.
    3. CC. The bridge priority is lower than the default value for spanning tree.
    4. DD. All interfaces that are shown are on shared media.
    5. EE. All designated ports are in a forwarding state.
    6. FF. The switch must be the root bridge for all VLANs on this switch.
  6. 6Which two states are the port states when RSTP has converged? (choose two)
    1. AA. blocking
    2. BB. learning
    3. CC. disabled
    4. DD. forwarding
    5. EE. listening
  7. 7Which two of these statements regarding RSTP are correct? (Choose two)
    1. AA. RSTP cannot operate with PVST+.
    2. BB. RSTP defines new port roles.
    3. CC. RSTP defines no new port states.
    4. DD. RSTP is a proprietary implementation of IEEE 802.1D STP.
    5. EE. RSTP is compatible with the original IEEE 802.1D STP.
  8. 8Refer to the exhibit. Each of these four switches has been configured with a hostname, as well as being configured to run RSTP. No other configuration changes have been made. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three)Image for question 8
    1. AA. SwitchA, Fa0/2, designated
    2. BB. SwitchA, Fa0/1, root
    3. CC. SwitchB, Gi0/2, root
    4. DD. SwitchB, Gi0/1, designated
    5. EE. SwitchC, Fa0/2, root
    6. FF. SwitchD, Gi0/2, root
  9. 9Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?
    Image for question 9
    1. AA. Switch3, port fa0/1
    2. BB. Switch3, port fa0/12
    3. CC. Switch4, port fa0/11
    4. DD. Switch4, port fa0/2
    5. EE. Switch3, port Gi0/1

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Description
Quiz on CCNA – RSTP, created by Sammy Javier Bar on 22/05/2015.
Language
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