Z3d152 Volume 2 Quiz

124 Questions | Attempts: 298
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Communication Quizzes & Trivia

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

      Network

    • B. 

      Physical

    • C. 

      Data Link

    • D. 

      Transport

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

      Motion Picture Experts Group-4 (MPEG-4)

    • B. 

      Joint Photographic Experts Group (JPEG).

    • C. 

      File Transfer Protocol (FTP)

    • D. 

      G.711

  • 3. 
    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. 
    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

  • 5. 
    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. 
    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. 
    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. 
    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. 
    Which Network layer protocol provides messaging that can help with troubleshooting?
    • A. 

      Internet Protocol (IP)

    • B. 

      Address Resolution Protocol (ARP)

    • C. 

      Reverse Address Resolution Protocol (RARP)

    • D. 

      Internet Control Message Protocol (ICMP)

  • 10. 
    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. 
    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 Grouper (PING)

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

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

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

      Three

    • B. 

      Five

    • C. 

      Seven

    • D. 

      Nine

  • 14. 
    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. 
    Teredo has four tunneling components. Which one is not one of them?
    • A. 

      Host-specific relay

    • B. 

      Client

    • C. 

      Server

    • D. 

      Agent

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

      Bridge

    • B. 

      Router

    • C. 

      Gateway

    • D. 

      Repeater

  • 17. 
    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. 
    Which router port is used for initial configuration?
    • A. 

      Auxiliary

    • B. 

      Console

    • C. 

      Ethernet

    • D. 

      Telnet

  • 19. 
    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. 
    On a router’s serial interface connection, what provides the timing signal for the communication link?
    • A. 

      Data communications equipment

    • B. 

      Data Terminal equipment

    • C. 

      Internal oscillator

    • D. 

      Atomic clock

  • 21. 
    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. 
    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. 
    Which topology has the stations connected in the form of a circle?
    • A. 

      Bus

    • B. 

      Ring

    • C. 

      Star

    • D. 

      Hybrid

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

      Bus

    • B. 

      Ring

    • C. 

      Star

    • D. 

      Hybrid

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

      Switch

    • B. 

      Firewall

    • C. 

      Gateway

    • D. 

      Repeater

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