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  • Question
  • In a network with dozens of switches, how many root bridges would you have?


  • Options
  • A. 1
  • B. 2
  • C. 5
  • D. 12

  • Correct Answer


  • Explanation
    You should have only one root bridge per network.

  • Networking Basics problems


    Search Results


    • 1. If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?

    • Options
    • A. RouterA(config)#bandwidth 64
    • B. RouterA(config-if)#bandwidth 64000
    • C. RouterA(config-if)#clock rate 64
    • D. RouterA(config-if)#clock rate 64000
    • Discuss
    • 2. What command is used to create a backup configuration?

    • Options
    • A. copy running backup
    • B. copy running-config startup-config
    • C. config mem
    • D. wr mem
    • Discuss
    • 3. What is the main reason the OSI model was created?

    • Options
    • A. To create a layered model larger than the DoD model.
    • B. So application developers can change only one layer's protocols at a time.
    • C. So different networks could communicate.
    • D. So Cisco could use the model.
    • Discuss
    • 4. How many collision domains are created when you segment a network with a 12-port switch?

    • Options
    • A. 1
    • B. 2
    • C. 5
    • D. 12
    • Discuss
    • 5. Which one of the following is true regarding VLANs?

    • Options
    • A. Two VLANs are configured by default on all Cisco switches.
    • B. VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
    • C. You should not have more than 10 switches in the same VTP domain.
    • D. VTP is used to send VLAN information to switches in a configured VTP domain.
    • Discuss
    • 6. What command will display the line, protocol, DLCI, and LMI information of an interface?

    • Options
    • A. sh pvc
    • B. show interface
    • C. show frame-relay pvc
    • D. show run
    • Discuss
    • 7. What is a stub network?

    • Options
    • A. A network with more than one exit point.
    • B. A network with more than one exit and entry point.
    • C. A network with only one entry and no exit point.
    • D. A network that has only one entry and exit point.
    • Discuss
    • 8. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?

    • Options
    • A. 100 kbps
    • B. 1 Mbps
    • C. 2 Mbps
    • D. 10 Mbps
    • Discuss
    • 9. What does a VLAN do?

    • Options
    • A. Acts as the fastest port to all servers.
    • B. Provides multiple collision domains on one switch port.
    • C. Breaks up broadcast domains in a layer 2 switch internetwork.
    • D. Provides multiple broadcast domains within a single collision domain.
    • Discuss
    • 10. What protocols are used to configure trunking on a switch?

      1. VLAN Trunking Protocol
      2. VLAN
      3. 802.1Q
      4. ISL

    • Options
    • A. 1 and 2
    • B. 3 and 4
    • C. 1 only
    • D. 2 only
    • Discuss


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