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This chapter is from the book

Exam Prep Questions

  1. Which three of the following are steps in the VLAN implementation process?

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    A.

    Disable VTP to prevent automatic VLAN creation

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    B.

    Create VLANs using unique ID numbers

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    C.

    Apply passwords to VLANs to prevent unauthorized changes

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    D.

    Optionally name VLANs for easier understanding

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    E.

    Assign switch port VLAN membership

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    F.

    Convert all switch ports to trunk links to allow hosts to access VLANs

  2. Which of the following are advantages of VLANs? Choose all that apply.

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    A.

    VLANs eliminate the need for subnets.

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    B.

    VLANs offer improved security.

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    C.

    Administrative overhead because of adds, moves, and changes is reduced.

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    D.

    VLANs encrypt all network traffic for improved security.

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    E.

    VLANs allow users to be grouped together by function or department instead of location.

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    F.

    VLANs eliminate broadcasts, reducing congestion.

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    G.

    VLANs provide virtual broadcast domain segmentation at Layer 2.

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    H.

    VLANs increase the number of broadcast domains while reducing their size.

  3. Which two of the following are true with respect to trunk links and VLANs?

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    A.

    Trunk links enable VLAN traffic to span multiple switches.

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    B.

    Trunk links are not possible between switches from different vendors.

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    C.

    Trunk links should be given their own subnet to function properly.

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    D.

    By default, trunks enable all defined VLANs to traverse the trunk.

  4. Which of the following are true with respect to the Layer 3 characteristics of VLANs? Choose all that apply.

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    A.

    All VLANS exist within one subnet.

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    B.

    Each VLAN should be associated with its own subnet.

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    C.

    VLANs provide Layer 3 broadcast domain segmentation at Layer 2.

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    D.

    VLANs provide Layer 2 collision domain separation at Layer 3.

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    E.

    In deploying Router-on-a-Stick, hosts should be assigned the IP address of the router sub-interface assigned to the hosts' VLAN as the hosts' default gateway address.

  5. Which of the following support the multiplexing of traffic from multiple VLANs across Fast or Gigabit Ethernet links? Choose all that apply.

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    A.

    STP

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    B.

    HSRP

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    C.

    VTP

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    D.

    ISL

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    E.

    802.1d

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    F.

    802.11

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    G.

    802.1Q

  6. Which of the following are trunk port modes? Choose all that apply.

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    A.

    on

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    B.

    idle

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    C.

    off

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    D.

    blocking

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    E.

    auto

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    F.

    desirable

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    G.

    undesirable

  7. Which two commands make a port a trunk and force it to use a multiple-vendor–compatible protocol?

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    A.

    Switch(config)#switchport mode trunk

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    B.

    Switch(config-if)#switchport mode trunk

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    C.

    Switch(config-if)#switchport trunk on

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    D.

    Switch(config-if)#switchport trunk compatible-mode

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    E.

    Switch(config-if)#switchport trunk encapsulation 802.1q

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    F.

    Switch(config-if)#switchport trunk encapsulation dot1q

  8. Which of the following are VLAN Trunking Protocol switch modes? Choose all that apply.

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    A.

    Domain Controller

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    B.

    Server

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    C.

    Slave

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    D.

    Client

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    e.

    Independent

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    F.

    Transparent

  9. What elements are required to create a functioning VTP system between two switches?

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    A.

    Matching VTP mode

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    B.

    Matching VTP Domain Name

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    C.

    Identical VTY password

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    D.

    Identical VTP password

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    E.

    A functional Access link between them

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    F.

    A crossover-cabled trunk link and compatible trunking protocols

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    G.

    At least one switch set to Server, mode

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    H.

    Identical hold-down timers

  10. What IOS feature can logically divide a switch into multiple, independent switches at Layer 2 without the use of a SawzAll?

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    A.

    STP

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    B.

    VLANs

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    C.

    GigaStack

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    D.

    VTP

  11. What is the function of 802.1d STP?

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    A.

    Prevents routing loops in redundant topologies

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    B.

    Prevents Layer 2 loops in networks with redundant switched paths

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    C.

    Prevents frame forwarding until all IP addresses are known

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    D.

    Enables the use of multiple routed paths for load-sharing

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    E.

    Allows the propagation of VLAN information from a central source

  12. What defines the root switch in an STP system? Choose 2.

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    A.

    The switch with the lowest Bridge ID

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    B.

    The switch with the highest Bridge ID

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    C.

    The fastest switch

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    D.

    The switch with the most connections to other switches

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    E.

    The first switch to send out a BPDU

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    F.

    The switch with the lowest Priority

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    G.

    The switch with the highest Priority

  13. Which one of the following statements describes a converged STP system?

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    A.

    All switches are running STP.

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    B.

    All ports are blocking.

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    C.

    All ports are forwarding.

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    D.

    All ports that are not forwarding are blocking.

  14. Which one of the following is true of the Spanning-Tree Root Path Cost?

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    A.

    It is the cost of the exit port to the Root.

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    B.

    It is the bandwidth of the exit port to the Root.

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    C.

    It is the delay in data transmission to the Root.

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    D.

    It is the cumulative cost, based on number of hops, to the Root.

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    E.

    It is the cumulative cost, based on bandwidth, of all links on the path to the Root.

    Given the diagram in Figure 12.13, answer the following questions:

    Figure 12.13

    Figure 12.13 Network Topology for Questions 15 and 16.

  15. Which switch will become the Root?

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    A.

    Switch A

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    B.

    Switch B

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    C.

    Switch C

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    D.

    Switch D

  16. Which of the following will be the Designated Port for the ethernet segment between switches C and D?

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    A.

    Switch C, Fa0/1

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    B.

    Switch C, Fa0/2

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    C.

    Switch D, Fa0/1

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    D.

    Switch D, Fa0/2

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