Can You Pass This Hardest Test Of CCNA Networking Exam?

17 Questions | Total Attempts: 1646

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Can You Pass This Hardest Test Of CCNA Networking Exam?

CCNA is a complex exam related to the Cisco Certified Network Associate Routing & Switching certification. This exam tests a candidate's knowledge and skills required to install, operate, and troubleshoot an enterprise's branch network. So, let's try out the quiz. All the best!


Questions and Answers
  • 1. 
    What are the functions of a Layer 2 Ethernet switch? (Choose three.)
    • A. 

      Preventing broadcasts

    • B. 

      Increasing available bandwidth per user

    • C. 

      Decreasing the size of collision domains

    • D. 

      Isolating traffic among segments

    • E. 

      Routing traffic between different networks

  • 2. 
    Why does a switch have higher throughput compared to a bridge?
    • A. 

      Switching occurs in software.

    • B. 

      Switching occurs in hardware.

    • C. 

      Switches create multiple broadcast domains.

    • D. 

      Switches segment LANs.

  • 3. 
    Why would a network administrator segment a network with a Layer 2 switch? (Choose two.)
    • A. 

      To create fewer collision domains

    • B. 

      To enhance user bandwidth

    • C. 

      To create more broadcast domains

    • D. 

      To isolate traffic between segments

    • E. 

      To isolate ARP request messages from the rest of the network

  • 4. 
    Refer to the graphic. Which point must be reached before a frame is forwarded when the switch is using store-and-forward mode?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      E

    • E. 

      F

  • 5. 
    Hubs are concerned with which PDU?
    • A. 

      Bits

    • B. 

      Frames

    • C. 

      Packets

    • D. 

      Datagrams

  • 6. 
    Which statements are true regarding hubs? (Choose three.)
    • A. 

      Hubs operate at Layer 1 of the OSI model.

    • B. 

      They create separate collision domains.

    • C. 

      Signals are distributed through all ports.

    • D. 

      Layer 2 addresses are used to make decisions.

    • E. 

      Bandwidth is shared among all connected users.

  • 7. 
    Which device provides segmentation within a single network?
    • A. 

      Hub

    • B. 

      Server

    • C. 

      Switch

    • D. 

      Transceiver

  • 8. 
    Which of the following is a Layer 2 broadcast address?
    • A. 

      0.0.0.0

    • B. 

      255.255.255.255

    • C. 

      11:11:11:11

    • D. 

      FF:FF:FF:FF

    • E. 

      FF:FF:FF:FF:FF:FF

  • 9. 
    Refer to the graphic. Which point in the frame must be reached before it is forwarded by a switch that is using fast-forward mode?  
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      E

    • E. 

      F

  • 10. 
    Which switching mode changes to store-and-forward mode after it detects a given number of errors?
    • A. 

      Cut-through

    • B. 

      Adaptive fast-forward

    • C. 

      Fragment-free

    • D. 

      Adaptive cut-through

  • 11. 
    Which form of buffering is used by bridges?
    • A. 

      Cut-through

    • B. 

      Fragment-free

    • C. 

      Fast-forward

    • D. 

      Store-and-forward

  • 12. 
    Where are switching tables stored in a Cisco LAN switch?
    • A. 

      ROM

    • B. 

      CAM

    • C. 

      Flash

    • D. 

      SIMM

    • E. 

      NRAM

  • 13. 
    • A. 

      They increase the number of collision domains.

    • B. 

      They decrease the number of collision domains.

    • C. 

      They increase the number of broadcast domains.

    • D. 

      They increase the amount of bandwidth available to users.

    • E. 

      They decrease the amount of bandwidth available to users.

  • 14. 
    Which of the following is used to build a switching table?
    • A. 

      Source IP addresses

    • B. 

      Destination IP addresses

    • C. 

      Destination MAC addresses

    • D. 

      Source MAC addresses

  • 15. 
    Which statements describe asymmetric switching? (Choose three.)
    • A. 

      It uses data compression algorithms to manage higher bandwidth interfaces.

    • B. 

      It is often used to provide high bandwidth uplinks for a number of lower bandwidth client interfaces.

    • C. 

      It provides connections between network segments that operate at different bandwidths.

    • D. 

      It uses cut-through forwarding when going from a lower bandwidth to a higher bandwidth interface.

    • E. 

      It may require buffering frames before forwarding to the destination interface.

  • 16. 
    What does switch latency describe?
    • A. 

      Forwarding method used by a switch

    • B. 

      Time it takes for a frame to be received by a switch

    • C. 

      Improvement in network performance from using a switch

    • D. 

      Time delay between when a frame enters and exits a switch

    • E. 

      Increase in the size of a collision domain from using a switch

  • 17. 
    How does an Ethernet bridge handle an incoming frame? (Choose three.)
    • A. 

      The source MAC address and input interface pair are added to the bridging table.

    • B. 

      The destination MAC address and input interface pair are added to the bridging table.

    • C. 

      If no match to the destination MAC address is found in the bridging table, the frame is flooded out all other interfaces.

    • D. 

      If a match to the destination MAC address is found in the bridging table, the frame is forwarded out the associated interface.

    • E. 

      If a match to the source MAC address is found in the bridging table, the frame is forwarded to all ports.