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  • Question
  • 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.

  • Correct Answer
  • So different networks could communicate. 

    Explanation
    The primary reason the OSI model was created was so that different networks could inter-operate.

  • Networking Basics problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. Which class of IP address has the most host addresses available by default?

    • Options
    • A. A
    • B. B
    • C. C
    • D. A and B
    • Discuss
    • 4. How often are BPDUs sent from a layer 2 device?

    • Options
    • A. Never
    • B. Every 2 seconds
    • C. Every 10 minutes
    • D. Every 30 seconds
    • Discuss
    • 5. Where is a hub specified in the OSI model?

    • Options
    • A. Session layer
    • B. Physical layer
    • C. Data Link layer
    • D. Application layer
    • Discuss
    • 6. 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
    • 7. 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
    • 8. In a network with dozens of switches, how many root bridges would you have?

    • Options
    • A. 1
    • B. 2
    • C. 5
    • D. 12
    • Discuss
    • 9. 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
    • 10. 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


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