CCNA 3- Scaling Networks Certification Exam Practice Test

65 Questions | Total Attempts: 1702

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CCNA Quizzes & Trivia

Welcome to the CCNA 3- Scaling Networks Certification Exam Practice Test. As business experiences continuous growth, it becomes more important to design a network that helps you meet your desired technological needs. The test below is designed to help you with the CCNA 3 certification exam. Give it a try and get to know what to expect come exam time.


Questions and Answers
  • 1. 
    What is the term that is used for the area of a network that is affected when a device or network service experiences problems?
    • A. 

      Failure domain

    • B. 

      Collision domain

    • C. 

      Broadcast domain

    • D. 

      User domain

  • 2. 
    A network designer is considering whether to implement a switch block on the company network. What is the primary advantage of deploying a switch block?
    • A. 

      A single core router provides all the routing between VLANs.

    • B. 

      The failure of a switch block will not impact all end users.

    • C. 

      This is a security feature that is available on all new Catalyst switches.

    • D. 

      This is network application software that prevents the failure of a single network device.

  • 3. 
    What is the function of STP in a scalable network?
    • A. 

      It decreases the size of the failure domain to contain the impact of failures.

    • B. 

      It protects the edge of the enterprise network from malicious activity.

    • C. 

      It disables redundant paths to eliminate Layer 2 loops.

    • D. 

      It combines multiple switch trunk links to act as one logical link for increased bandwidth.

  • 4. 
    What term is used to express the thickness or height of a switch?
    • A. 

      Rack unit

    • B. 

      Port density

    • C. 

      Domain size

    • D. 

      Module size

  • 5. 
    What are two requirements when using out-of-band configuration of a Cisco IOS network device? (Choose two.)
    • A. 

      HTTP access to the device

    • B. 

      A terminal emulation client

    • C. 

      Telnet or SSH access to the device

    • D. 

      A direct connection to the console or AUX port

    • E. 

      A connection to an operational network interface on the device

  • 6. 
    Which configuration changes will increment the configuration revision number on the VTP server?
    • A. 

      Configuring trunk links on the VTP server

    • B. 

      Configuring or changing the VTP password

    • C. 

      Configuring or changing the VTP domain name

    • D. 

      Configuring or changing the VTP version number

    • E. 

      Configuring or deleting a VLAN or creating a VLAN name

  • 7. 
    What are three characteristics of VTP? (Choose three.)
    • A. 

      In the default VTP mode, VLANs can be created and modified on a switch.

    • B. 

      Switches in VTP server mode store VLANs in the vlan.dat database.

    • C. 

      VTP-enabled switches exchange three types of advertisements: summary routes, subnet advertisements, and advertisement requests from transparent bridges.

    • D. 

      The switch configuration must be saved and the switch reloaded to reset a configuration revision number.

    • E. 

      VTP updates are exchanged across trunk links only.

    • F. 

      Switches in different VTP domains can exchange updates if revision numbers are the same.

  • 8. 
    A network administrator is planning to add a new switch to the network. What should the network administrator do to ensure the new switch exchanges VTP information with the other switches in the VTP domain?
    • A. 

      Configure the correct VTP domain name and password on the new switch.

    • B. 

      Associate all ports of the new switch to a VLAN that is not VLAN 1.

    • C. 

      Configure the VLANs on the new switch.

    • D. 

      Configure all ports on the new switch to access mode.

  • 9. 
    What is the purpose of the vlan.dat file on a switch?
    • A. 

      It holds the running configuration.

    • B. 

      It holds the saved configuration.

    • C. 

      It holds the VLAN database.

    • D. 

      It holds the operating system.

  • 10. 
    Refer to the exhibit. The configuration shows commands entered by a network administrator for inter-VLAN routing. However, host H1 cannot communicate with H2. Which part of the inter-VLAN configuration causes the problem?
    • A. 

      Trunking

    • B. 

      Port mode on the two switch FastEthernet ports

    • C. 

      VLAN configuration

    • D. 

      Router port configuration

  • 11. 
    Refer to the exhibit. The network administrator configures both switches as displayed. However, host C is unable to ping host D and host E is unable to ping host F. What action should the administrator take to enable this communication?
    • A. 

      Include a router in the topology.

    • B. 

      Associate hosts A and B with VLAN 10 instead of VLAN 1.

    • C. 

      Remove the native VLAN from the trunk.

    • D. 

      Configure either trunk port in the dynamic desirable mode.

    • E. 

      Add the switchport nonegotiate command to the configuration of SW2.

  • 12. 
    Refer to the exhibit. Switch SW-A is to be used as a temporary replacement for another switch in the VTP Student domain. What two pieces of information are indicated from the exhibited output? (Choose two.)
    • A. 

      The other switches in the domain can be running either VTP version 1 or 2.

    • B. 

      There is a risk that the switch may cause incorrect VLAN information to be sent through the domain.

    • C. 

      VTP will block frame forwarding on at least one redundant trunk port that is configured on this switch.

    • D. 

      VLAN configuration changes made on this switch will be sent to other devices in the VTP domain.

    • E. 

      This switch will update its VLAN configuration when VLAN changes are made on a VTP server in the same domain.

  • 13. 
    What eliminates switching loops?
    • A. 

      hold-down timers

    • B. 

      Poison reverse

    • C. 

      Spanning Tree Protocol

    • D. 

      Time to Live

    • E. 

      VTP

  • 14. 
    A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge in this design?
    • A. 

      1

    • B. 

      28672

    • C. 

      32768

    • D. 

      34816

    • E. 

      61440

  • 15. 
    What is the value used to determine which port on a non-root bridge will become a root port in a STP network?
    • A. 

      The highest MAC address of all the ports in the switch

    • B. 

      The lowest MAC address of all the ports in the switch

    • C. 

      the VTP revision number

    • D. 

      the path cost

  • 16. 
    Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.)
    • A. 

      SW1 will become the root bridge.

    • B. 

      SW2 will become the root bridge.

    • C. 

      SW2 will get a port blocked.

    • D. 

      SW4 will get a port blocked.

    • E. 

      SW3 will become the root bridge.

    • F. 

      SW4 will become the root bridge.

  • 17. 
    Which three STP states were replaced with the RSTP discarding state? (Choose three.)
    • A. 

      Listening

    • B. 

      Learning

    • C. 

      Blocking

    • D. 

      Disabled

    • E. 

      Forwarding

  • 18. 
    A network administrator enters the spanning-tree portfast bpduguard default command. What is the result of this command being issued on a Cisco switch?
    • A. 

      Any switch port will be error-disabled if it receives a BPDU.

    • B. 

      Any trunk ports will be allowed to connect to the network immediately, rather than waiting to converge.

    • C. 

      Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU.

    • D. 

      Any switch port that receives a BPDU will ignore the BPDU message.

  • 19. 
    As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?
    • A. 

      Providing redundant links that dynamically block or forward traffic

    • B. 

      grouping multiple physical ports to increase bandwidth between two switches

    • C. 

      grouping two devices to share a virtual IP address

    • D. 

      Providing redundant devices to allow traffic to flow in the event of device failure

  • 20. 
    Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?
    • A. 

      Channel-group 2 mode auto

    • B. 

      Interface port-channel 2

    • C. 

      channel-group 1 mode desirable

    • D. 

      Interface range GigabitEthernet 0/4 – 5

  • 21. 
    A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down?
    • A. 

      The EtherChannel fails.

    • B. 

      The remaining two interfaces continue to load balance traffic.

    • C. 

      The remaining two interfaces become separate links between the two switches.

    • D. 

      One interface becomes an active link for data traffic and the other becomes a backup link.

  • 22. 
    When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?
    • A. 

      Active

    • B. 

      Auto

    • C. 

      On

    • D. 

      Desirable

  • 23. 
    Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link?
    • A. 

      PAgP

    • B. 

      DTP

    • C. 

      LACP

    • D. 

      STP

  • 24. 
    • A. 

      HSRP uses active and standby routers.

    • B. 

      It uses ICMP messages in order to assign the default gateway to hosts.

    • C. 

      It allows load balancing between a group of redundant routers.

    • D. 

      HSRP is nonproprietary.

  • 25. 
    What is the term used to describe a network topology where the subnets from a major classful network address space are separated from each other by addresses from a different major classful network address?
    • A. 

      Multihomed network

    • B. 

      converged network

    • C. 

      discontiguous network

    • D. 

      data network