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96.
Which of the following commands can you use to enable STP Root Guard on a switch port?
  • A.
    spanning-tree root guard
  • B.
    spanning-tree root-guard
  • C.
    spanning-tree guard root
  • D.
    spanning-tree rootguard enable
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Answer : [C]
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97.
Where should the STP Root Guard feature be enabled on a switch ?
  • A.
    All ports
  • B.
    Only ports where the root bridge should never appear
  • C.
    Only ports where the root bridge should be located
  • D.
    Only ports with PortFast enabled
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Answer : [B]
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98.
Which of the following features protects a switch port from accepting BPDUs when PortFast is enabled?
  • A.
    STP Loop Guard
  • B.
    STP BPDU Guard
  • C.
    STP Root Guard
  • D.
    UDLD
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Answer : [B]
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99.
What switch command can be used to change from PVST+ to MST ?
  • A.
    spanning-tree mst enable
  • B.
    no spanning-tree pvst+
  • C.
    spanning-tree mode mst
  • D.
    spanning-tree mst
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Answer : [C]
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100.
How many instances of STP are supported in the Cisco implementation of MST?
  • A.
    1
  • B.
    16
  • C.
    256
  • D.
    4096
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Answer : [B]
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