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21.
Multilayer switches using CEF are based on which of these techniques?
  • A.
    Route caching
  • B.
    NetFlow switching
  • C.
    Topology-based switching
  • D.
    Demand-based switching
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Answer : [C]
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22.
Access list contents can be merged into which of the following?
  • A.
    CAM table
  • B.
    TCAM table
  • C.
    FIB table
  • D.
    ARP table
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Answer : [B]
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23.
In a Catalyst switch, frames can be filtered with access lists for security and QoS purposes. This filtering occurs according to which of the following?
  • A.
    Before a CAM table lookup
  • B.
    After a CAM table lookup
  • C.
    Simultaneously with a CAM table lookup
  • D.
    According to how the access lists are configured
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Answer : [C]
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24.
What does a switch do if a MAC address cannot be found in the CAM table?
  • A.
    The frame is forwarded to the default port
  • B.
    The switch generates an ARP request for the address.
  • C.
    The switch floods the frame out all ports (except the receiving port).
  • D.
    The switch drops the frame
  • Answer & Explanation
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Answer : [C]
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25.
What information is used to forward frames in a Layer 2 switch?
  • A.
    Source MAC address
  • B.
    Destination MAC address
  • C.
    Source switch port
  • D.
    IP addresses
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Answer : [B]
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