CCNA Basic Questions

19 Questions | Attempts: 256
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CCNA Basic Questions - Quiz

Questions and Answers
  • 1. 

    For which type of connection should a straight-through cable be used?

    • A.

      Switch to switch

    • B.

      Switch to hub

    • C.

      Switch to router

    • D.

      Hub to hub

    • E.

      Router to PC

    Correct Answer
    C. Switch to router
  • 2. 

    Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?

    • A.

      Crossover

    • B.

      Straight-through

    • C.

      Rolled

    • D.

      Shielded twisted-pair

    Correct Answer
    C. Rolled
  • 3. 

    What is the first 24 bits in a MAC address called?  

    • A.

      NIC

    • B.

      BIA

    • C.

      OUI

    • D.

      VAI

    Correct Answer
    C. OUI
  • 4. 

    When a host transmits data across a network to another host, which process does the data go through?

    • A.

      Standardization

    • B.

      Conversion

    • C.

      Encapsulation

    • D.

      Synchronization

    Correct Answer
    C. Encapsulation
  • 5. 

    Refer to the exhibit. What type of connection would be supported by the cable diagram shown?  

    • A.

      PC to router

    • B.

      PC to switch

    • C.

      Server to router

    • D.

      Router to router

    Correct Answer
    B. PC to switch
  • 6. 

    Refer to the exhibit. What type of connection would be supported by the cable diagram shown?

    • A.

      A. PC to router

    • B.

      B. PC to switch

    • C.

      C. server to switch

    • D.

      D. switch to router

    Correct Answer
    A. A. PC to router
  • 7. 

    In an Ethernet network, under what two scenarios can devices transmit? (Choose two)

    • A.

      When they receive a special token

    • B.

      When there is a carrier

    • C.

      When they detect no other devices are sending

    • D.

      When the medium is idle

    • E.

      When the server grants access

    Correct Answer(s)
    C. When they detect no other devices are sending
    D. When the medium is idle
  • 8. 

    Which two topologies are using the correct type of twisted-pair cables? (Choose two)

    Correct Answer(s)
    D.
    E.
  • 9. 

    What are some of the advantages of using a router to segment the network? (Choose two)

    • A.

      Filtering can occur based on Layer 3 information.

    • B.

      Broadcasts are eliminated.

    • C.

      Routers generally cost less than switches.

    • D.

      Broadcasts are not forwarded across the router.

    • E.

      Adding a router to the network decreases latency.

    Correct Answer(s)
    A. Filtering can occur based on Layer 3 information.
    D. Broadcasts are not forwarded across the router.
  • 10. 

    Which of the following statements describe the network shown in the graphic? (Choose two)

    • A.

      There are two broadcast domains in the network.

    • B.

      There are four broadcast domains in the network.

    • C.

      There are six broadcast domains in the network.

    • D.

      There are four collision domains in the network.

    • E.

      There are five collision domains in the network.

    • F.

      There are seven collision domains in the network.

    Correct Answer(s)
    A. There are two broadcast domains in the network.
    F. There are seven collision domains in the network.
  • 11. 

    Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three)  

    • A.

      Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

    • B.

      Ensure that cables A and B are straight-through cables.

    • C.

      Ensure cable A is plugged into a trunk port.

    • D.

      Ensure the switch has power.

    • E.

      Reboot all of the devices.

    • F.

      Reseat all cables.

    Correct Answer(s)
    B. Ensure that cables A and B are straight-through cables.
    D. Ensure the switch has power.
    F. Reseat all cables.
  • 12. 

    For what two purposes does the Ethernet protocol use physical addresses? (Choose two)  

    • A.

      To uniquely identify devices at Layer 2

    • B.

      To allow communication with devices on a different network

    • C.

      C. to differentiate a Layer 2 frame from a Layer 3 packet

    • D.

      To establish a priority system to determine which device gets to transmit first

    • E.

      To allow communication between different devices on the same network

    • F.

      To allow detection of a remote device when its physical address is unknown

    Correct Answer(s)
    A. To uniquely identify devices at Layer 2
    E. To allow communication between different devices on the same network
  • 13. 

    Refer to the exhibit. Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential difference between the two buildings. Which media type should be used for the connection?

    • A.

      UTP cable

    • B.

      STP cable

    • C.

      Coaxial cable

    • D.

      Fiber optic cable

    Correct Answer
    D. Fiber optic cable
  • 14. 

    Which command can be used from a PC to verify the connectivity between host that connect through path

    • A.

      Tracert address

    • B.

      Ping address

    • C.

      Arp address

    • D.

      Traceroute address

    Correct Answer
    A. Tracert address
  • 15. 

    Refer to the exhibit. A network engineer is troubleshooting an internet connectivity problem on the computer. What causing the problem?

    • A.

      Wrong DNS server

    • B.

      Wrong default gateway

    • C.

      Incorrect IP address

    • D.

      Incorrect subnet mask

    Correct Answer
    C. Incorrect IP address
  • 16. 

    How many broadcast domains are shown in the graphic assuming only the default vlan is configured on the switches?

    • A.

      One

    • B.

      Six

    • C.

      Twelve

    • D.

      Two

    Correct Answer
    A. One
  • 17. 

    Refer to the exhibit. Host A has tested connectivity to a remote network. What is the default gateway for host A?

    • A.

      172.16.182.1

    • B.

      192.168.1.1

    • C.

      10.16.176.1

    • D.

      192.168.1.6

    Correct Answer
    A. 172.16.182.1
  • 18. 

    What functions do routers perform in a network? (Choose two)

    • A.

      Packet switching

    • B.

      Access layer security

    • C.

      Path selection

    • D.

      VLAN membership assignment

    • E.

      Bridging between LAN segments

    • F.

      Microsegmentation of broadcast domains

    Correct Answer(s)
    A. Packet switching
    C. Path selection
  • 19. 

    Which two Ethernet fiber-optic modes support distances of greater than 550 meters?

    • A.

      1000BASE-CX

    • B.

      100BASE-FX

    • C.

      1000BASE-LX

    • D.

      1000BASE-SX

    • E.

      1000BASE-ZX

    Correct Answer(s)
    C. 1000BASE-LX
    E. 1000BASE-ZX

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 04, 2013
    Quiz Created by
    Katmagsalin
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