3D152 Ure Volume 2

124 Questions | Total Attempts: 811

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3D152 Quizzes & Trivia

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Questions and Answers
  • 1. 
    (201) At what Open System Interconnection (OSI) layer are virtual circuits established, maintained and terminated?
    • A. 

      Network.

    • B. 

      Physical.

    • C. 

      Data Link.

    • D. 

      Transport.

  • 2. 
    (201) Which of the following is an example of a video compression standard?
    • A. 

      Motion Picture Experts Group-4 (MPEG-4).

    • B. 

      Joint Photographic Expert Group (JPEG).

    • C. 

      File Transfer Protocol (FTP).

    • D. 

      G.711.

  • 3. 
    (202) In the Open System Interconnect (OSI) model, a layer will communicate with three other OSI layers. Which one is not one of those layers?
    • A. 

      Layer above.

    • B. 

      Layer below.

    • C. 

      Lowest layer.

    • D. 

      Peer layer.

  • 4. 
    (203) What data communication protocol uses characters or "handshaking" to control the link and represent information?
    • A. 

      Asynchronous protocol.

    • B. 

      Binary synchronous protocol.

    • C. 

      Synchronous Data Link Control (SDLC).

    • D. 

      High-Level Data Link Control (HDLC).

  • 5. 
    (203) In binary-synchronous protocol, which characters establishes and maintains character synchronization prior to the message block and during transmission?
    • A. 

      SEQ.

    • B. 

      SYN.

    • C. 

      STX.

    • D. 

      EST.

  • 6. 
    (203) Which data communication protocol is based on bits and the position of the bits?
    • A. 

      Character-oriented.

    • B. 

      Bit-oriented.

    • C. 

      Network.

    • D. 

      Routing.

  • 7. 
    (203) Which data communication protocol is a transmission code that supports a variety of link types and topologies?
    • A. 

      Asynchronous protocol.

    • B. 

      Binary synchronous protocol

    • C. 

      Synchronous Data Link Control (SDLC).

    • D. 

      High-Level Data Link Control (HDLC).

  • 8. 
    (204) Which network layer protocol matches a known Internet protocol (IP) address for a destination device to a Media Access Control (MAC) address?
    • A. 

      IP.

    • B. 

      Address Resolution Protocol (ARP).

    • C. 

      Reverse Address Resolution Protocol (RARP).

    • D. 

      Internet Control Message Protocol (ICMP).

  • 9. 
    (204) Which Network layer protocol provides messaging that can help with troubleshooting?
    • A. 

      Internet Protocol (IP).

    • B. 

      Address Resolution Protocol (ARP).

    • C. 

      Reserve Address Resolution Protocol (RARP).

    • D. 

      Internet Control Message Protocol (ICMP).

  • 10. 
    (204) Which Transport layer protocol provides reliable data delivery services?
    • A. 

      Internet Protocol (IP).

    • B. 

      User Datagram Protocol (UDP).

    • C. 

      Transmission Control Protocol (TCP).

    • D. 

      Internet Control Message Protocol (ICMP).

  • 11. 
    (204) Which Application layer protocol is used to synchronize the clocks of computers on a network?
    • A. 

      Simple Network Management Protocol (SNMP).

    • B. 

      Dynamic Host Configuration Protocol (DHCP).

    • C. 

      Network Time Protocol (NTP).

    • D. 

      Packet Internet Groper (PING).

  • 12. 
    (205) Which network Class has the most addresses for hosts?
    • A. 

      A.

    • B. 

      B.

    • C. 

      C.

    • D. 

      D.

  • 13. 
    (205) How many subnet bits are required to support 90 subnets on a Class B network?
    • A. 

      Three.

    • B. 

      Five.

    • C. 

      Seven.

    • D. 

      Nine.

  • 14. 
    (206) Internet protocol version 6 (IPv6) addresses are represented by
    • A. 

      8 groups of dotted decimal numbers.

    • B. 

      8 groups of hexadecimal numbers.

    • C. 

      4 dotted decimal numbers.

    • D. 

      128 decimal numbers.

  • 15. 
    (206) Teredo has four tunneling components. Which one is not one of them?
    • A. 

      Host-specific relay.

    • B. 

      Client.

    • C. 

      Server.

    • D. 

      Agent.

  • 16. 
    (207) Which device has multiport connectivity that directs data between nodes on a network?
    • A. 

      Bridge.

    • B. 

      Router.

    • C. 

      Gateway.

    • D. 

      Repeater.

  • 17. 
    (207) Which routing protocol do internet backbones use?
    • A. 

      Border Gateway Protocol (BGP).

    • B. 

      Open Shortest Path First (OSPF).

    • C. 

      Routing Information Protocol (RIP).

    • D. 

      Enhanced Interior Gateway Routing Protocol (EIGRP).

  • 18. 
    (208) Which router port is used for initial configuration?
    • A. 

      Auxiliary.

    • B. 

      Console.

    • C. 

      Ethernet.

    • D. 

      Telnet.

  • 19. 
    (208) When configuring a router, you control access to privileged EXEC mode by configuring which password?
    • A. 

      Line console.

    • B. 

      Line vty.

    • C. 

      Enable.

    • D. 

      Secret.

  • 20. 
    (208) On a router's serial interface connection, what provides the timing signal for the communication link?
    • A. 

      Data communication equipment.

    • B. 

      Data terminal equipment.

    • C. 

      Internal oscillator.

    • D. 

      Atomic clock.

  • 21. 
    (209) Virtual Private Networks (VPNs) allow the AF to extend network resources across a/an
    • A. 

      Department of Defense Network.

    • B. 

      Air Force Network.

    • C. 

      Local Area Network.

    • D. 

      A Public Network.

  • 22. 
    (210) Which topology defines the way in which devices communicate and data is transmitted throughout the network?
    • A. 

      Physical.

    • B. 

      Logical.

    • C. 

      Hybrid.

    • D. 

      Star.

  • 23. 
    (210) Which topology has the stations connected in the form of a circle?
    • A. 

      Bus.

    • B. 

      Ring.

    • C. 

      Star.

    • D. 

      Hybrid.

  • 24. 
    (210) Which topology combines two or more different physical topologies in a single network?
    • A. 

      Bus.

    • B. 

      Ring.

    • C. 

      Star.

    • D. 

      Hybrid.

  • 25. 
    (211) Which device subdivides a network into smaller logical pieces, or segments?
    • A. 

      Switch.

    • B. 

      Firewall.

    • C. 

      Gateway.

    • D. 

      Repeater.