CCNA 4 Quiz

93 Questions | Total Attempts: 66

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CCNA Quizzes & Trivia

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Questions and Answers
  • 1. 
    Using virtual circuits, any site can communicate directly with another.
    • A. 

      Hub-and Spoke

    • B. 

      Point-to-Point

    • C. 

      Dual-Homed

    • D. 

      Full Mesh

  • 2. 
    Consists of the devices and inside wiring located on the enterprise edge, connecting to a carrier link.
    • A. 

      CPE

    • B. 

      DCE

    • C. 

      DTE

    • D. 

      CO

  • 3. 
    The customer device that passes data from the customer computer network or host computer for transmission over the WAN
    • A. 

      CPE

    • B. 

      DCE

    • C. 

      DTE

    • D. 

      CO

  • 4. 
    Consists of devices that put data on the local loop. Provides an interface to connect subscribers to a communication link on the WAN cloud.
    • A. 

      CPE

    • B. 

      DCE

    • C. 

      DTE

    • D. 

      PPP

  • 5. 
    Splits traffic into data packets that are routed over a shared network
    • A. 

      Packet Switching

    • B. 

      Toll Network

    • C. 

      Circuit Switching

    • D. 

      CSU/DSU

  • 6. 
    The local loop connects the CPE to the CO
    • A. 

      True

    • B. 

      False

  • 7. 
    Which two items describe Integrated Services Digital Network (ISDN)
    • A. 

      Circuit Switching

    • B. 

      Packet Switching

    • C. 

      Enables the local loop of a PSTN to carry digital signals

    • D. 

      Contains a 5 byte header followed by a 48 byte payload

  • 8. 
    Uses labels, which tell the router what to do with the packet.
    • A. 

      Frame-Relay

    • B. 

      MPLS

    • C. 

      ATM

    • D. 

      Ethernet Wan

  • 9. 
    How many DS0 channels are bundled to produce a 1.544 Mbps T1 line?
    • A. 

      48

    • B. 

      24

    • C. 

      36

    • D. 

      12

  • 10. 
    Which technology requires the use of PPPoE to provide PPP connections to customers?
    • A. 

      DSL

    • B. 

      Satellite

    • C. 

      Cable

    • D. 

      WIMAX

  • 11. 
    PPP authentication is Performed at which OSI layer?
    • A. 

      Layer 1

    • B. 

      Layer 2

    • C. 

      Layer 3

    • D. 

      Layer 4

  • 12. 
    Which protocol is used by PPP to provide authentication and protection from playback attacks?
    • A. 

      PAP

    • B. 

      CHAP

    • C. 

      VPN

    • D. 

      NHRP

  • 13. 
    With which layers of the OSI model do the PPP control protocols interface? CHOOSE TWO
    • A. 

      NCP - interface with Layer 3

    • B. 

      NCP interfaces with Layer 2

    • C. 

      LCP interface with Layer 1

    • D. 

      LCP interfaces with layer 3

  • 14. 
    What function does the NCP perform in the establishment of a PPP session?
    • A. 

      Completes the Specific configuration of the network layer protocol that is being used.

    • B. 

      Used to enhance security

    • C. 

      Provides load balancing

    • D. 

      Reduces the amount of bits that must travel across the link.

  • 15. 
    Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?
    • A. 

      Fiber Optic

    • B. 

      Satellite

    • C. 

      Wi-Fi

    • D. 

      Copper

  • 16. 
    A new corporation needs a data network that must meet certain requirements. The network must be fast and reliable to transmit secure video conferencing calls between two branches. If cost is not a consideration, which two types of WAN infrastructure would best meet the requirements? (Choose two.)
    • A. 

      Public infrastructure 

    • B. 

      Private infrastructure

    • C. 

      Dedicated

    • D. 

      Switched

    • E. 

      Internet

    • F. 

      Option 6

  • 17. 
    Which two WAN infrastructure services are examples of private connections? (Choose two.)
    • A. 

      T1/E1

    • B. 

      Frame Relay

    • C. 

      DSL

    • D. 

      Wireless

  • 18. 
    Which public WAN technology provides security by using encrypted tunnels over Internet connections?
    • A. 

      3G/4G

    • B. 

      DSL

    • C. 

      VPN

    • D. 

      Cable

  • 19. 
     the default serial encapsulation method when connecting two Cisco routers. 
    • A. 

      PPP

    • B. 

      PPPoE

    • C. 

      HDLC

    • D. 

      PAP

  • 20. 
    There are many advantages to using PPP (Choose Two)
    • A. 

      The link quality management feature (LQM) monitors the quality of the link.

    • B. 

      It is proprietary

    • C. 

      Supports PAP and CHAP

    • D. 

      Most of the work happens in the application layers

  • 21. 
    At the physical layer, you can configure PPP on a range of interfaces. The only absolute requirement imposed by PPP is
    • A. 

      Half-Duplex

    • B. 

      Full Duplex

    • C. 

      MTU has to be 1494

    • D. 

      LCP work in the Network Layer

  • 22. 
    At the physical layer, PPP can use Synchronous media or Asynchronous media
    • A. 

      True

    • B. 

      False

  • 23. 
    Standard ACLs filter IP packets based on...
    • A. 

      Source and Destination Address

    • B. 

      Source Only

    • C. 

      Destination Only

    • D. 

      Height

    • E. 

      Weight

    • F. 

      Looks

  • 24. 
    Extended ACLS filter IP Packets based on several attributes. (choose two)
    • A. 

      Source and Destination Addresses

    • B. 

      Source and Destination TCP and UDP ports

    • C. 

      Named only

    • D. 

      Numbered only

  • 25. 
    This is so much studying and my Brain Hurts!!
    • A. 

      True

    • B. 

      False