CCNA VLAN Quiz Questions And Answers

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CCNA VLAN Quiz Questions And Answers - Quiz

Do you know everything about CCNA VLAN? To test your knowledge, you can take this CCNA VLAN quiz. In the study of networking, a VLAN is a term given to a group of devices connected to one or more local area networks which are configured to communicate as if attached to the same wire when in actual fact, they are connected to different LAN segments. If you are aware of all these facts, it will be very easy for you to ace this quiz. All the best!


Questions and Answers
  • 1. 
    What are the benefits of using VLANs? (Select three)
    • A. 

      Broadcast storms can be mitigated with less number of broadcast domains, thus adding in their sizes.

    • B. 

      A higher level of network security can be reached by differentiating sensitive data traffic from other network traffic.

    • C. 

      Port-based VLANs increase switch-port use efficient.

    • D. 

      A more efficient usage of bandwidth can be achieved allowing a lot of logical networks to use the same network infrastructure.

    • E. 

      Broadcast storms can be mitigated by adding the number of broadcast domains, thus reducing their sizes.

  • 2. 
    VLAN 3 is not yet configured on your switch. What happens if you set the switchport access VLAN 3 command interface configuration mode?
    • A. 

      The command is accepted and the respective VLAN is added to vlan.dat.

    • B. 

      The command is rejected.

    • C. 

      The command is accepted and you must configure the VLAN manually.

    • D. 

      The port turns amber.

  • 3. 
    What are the advantages of VLANs? (Select three)
    • A. 

      VLANs establish broadcast domains in switched networks.

    • B. 

      VLANs utilize packet filtering to enhance network security.

    • C. 

      VLANs provide a method of conserving IP addresses in large networks.

    • D. 

      VLANs allow access to network services based on department, not physical location.

    • E. 

      VLANs can greatly simplify adding, moving, or changing hosts on the network.

  • 4. 
    On a corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?
    • A. 

      A router with subinterfaces configured on the physical interface that is connected to the switch

    • B. 

      A router with an IP address on the physical interface connected to the switch

    • C. 

      A switch with an access link that is configured between the switches

    • D. 

      A switch with a trunk link that is configured between the switches

  • 5. 
    Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports Fa0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2, the native VLAN is not specified. What will happen in this scenario?
    • A. 

      802.1Q giants frames could saturate the link.

    • B. 

      VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.

    • C. 

      A native VLAN mismatch error message will appear.

    • D. 

      VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.

  • 6. 
    Which of the following are the benefits of VLANs? (Select three)
    • A. 

      They increase the size of collision domains.

    • B. 

      They allow logical grouping of users by function.

    • C. 

      They can enhance network security.

    • D. 

      They increase the size of broadcast domains while decreasing the number of collision domains.

    • E. 

      They increase the number of broadcast domains while decreasing the size of the broadcast domains.

  • 7. 
    A frame from VLAN1 of switch S1 is sent to switch S2, where the frame is received on VLAN2. What causes this behavior?
    • A. 

      Trunk mode mismatches

    • B. 

      Vlans that do not correspond to a unique IP subnet

    • C. 

      Native vlan mismatches

    • D. 

      Allowing only vlan 2 on the destination.

  • 8. 
    Which statement about VLAN operation on Cisco Catalyst switches is true?
    • A. 

      When a packet is received from an 802.1Q trunk, the vlan id can be determined from the source MAC address table.

    • B. 

      Unknown unicast frames are retransmitted only to the ports that belong to the same vlan.

    • C. 

      Ports between switches should be configured in access mode so that vlans can span across the ports.

    • D. 

      Broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

  • 9. 
    Which two benefits are provided by creating VLANs? (Choose two)
    • A. 

      Added security

    • B. 

      Dedicated bandwidth

    • C. 

      Provides segmentation

    • D. 

      Allows switches to route traffic between subinterfaces

    • E. 

      Contains collisions

  • 10. 
    Assuming the default switch configuration, which VLAN range can be added, modified, and removed on a Cisco switch?
    • A. 

      2 through 1001

    • B. 

      1 through 1001

    • C. 

      1 through 1002

    • D. 

      2 through 1005

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