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2010-04-05 07:17:29

CCNP Switch questions
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  1. Which of the following devices performs transparent bridging?

    a. Ethernet hub
    b. Layer 2 switch
    c. Layer 3 switch
    d. Router
    Layer 2 switch
  2. When a PC is connected to a Layer 2 switch port, how far does the collision domain spread?
    One switch port.
  3. What information is used to forward frames in a Layer 2 switch?
    Destination MAC address
  4. What does a switch do if a MAC address cannot be found in the CAM table?
    The switch floods the frame out all ports (except the receiving port).
  5. In the Catalyst 6500, frames can be filtered with access lists for security and QoS
    purposes. This filtering occurs according to what?
    Simultaneously with a CAM table lookup
  6. Access list contents can be merged into which table?
    TCAM table
  7. 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
    Topology-based switching
  8. Which answer describes multilayer switching with CEF?

    A. A single database of routing information is built for the switching hardware.
    B. The switching hardware learns station addresses and builds a routing database.
    C. The first packet is routed and then the flow is cached.
    D. The switch supervisor CPU forwards each packet.
    A. A single database of routing information is built for the switching hardware
    (this multiple choice question has been scrambled)
  9. In a switch, frames are placed in which buffer after forwarding decisions are made?
    Egress queues
  10. What size are the mask and pattern fields in a TCAM entry?
    134 bits
  11. Access list rules are compiled as TCAM entries. When a packet is matched against an
    access list, in what order are the TCAM entries evaluated?
    All entries are evaluated in parallel.
  12. Which Catalyst IOS command can you use to display the addresses in the CAM table?
    show mac address-table