Digital Signal 3D152 Vol. 2

37 Questions | Total Attempts: 162

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3D152 Quizzes & Trivia

3D152 Vol 2 URE's 


Questions and Answers
  • 1. 
    What happens when more bits are added to a digital signal arranged in a sequence understood by the sender and receiver?
    • A. 

      A. A code set is established

    • B. 

      B. A word is created

    • C. 

      C. An octet is formed

    • D. 

      D. Nothing

  • 2. 
    How many possible symbols can 4 bits represent?
    • A. 

      A. 2

    • B. 

      B. 4

    • C. 

      C. 8

    • D. 

      D. 16

  • 3. 
    In networking, a byte is identified as a/an
    • A. 

      A. bit

    • B. 

      B. word

    • C. 

      C. octet

    • D. 

      D. letter

  • 4. 
    What organization sets important computer networking wiring standards for residential and commercial network cabling?
    • A. 

      A. Electronic Industries Alliance (EIA)

    • B. 

      B. Telecommunications Industry Association (TIA)

    • C. 

      C. The American National Standards Institute (ANSI)

    • D. 

      D. The National Institute of Standards and Technology (NIST)

  • 5. 
    What Electronic Industries Alliance (EIA)/Telecommunications Industry Association (TIA) standard is used for commercially building telecommunications cabling?
    • A. 

      A. 568A

    • B. 

      B. 569A

    • C. 

      C. 570A

    • D. 

      D. 606A

  • 6. 
    Which of the following is an International Telecommunication Union (ITU) standardized format used for digital telecommunications services backbone system?
    • A. 

      A. E-carrier

    • B. 

      B. Structured query language

    • C. 

      C. International Organization for Standardization

    • D. 

      D. American Standard Code for Information Interchange

  • 7. 
    There is a worldwide nonprofit association of technical professionals that promotes the development of standards called the
    • A. 

      A. Internet Engineering Task Force (IETF)

    • B. 

      B. Institute of Electrical and Electronics Engineers (IEEE)

    • C. 

      C. Europen Telecommunications Standards Institute (ETSI)

    • D. 

      D. Internet Corporation for Assinged Names and Numbers (ICANN)

  • 8. 
    A collection of standards for local area network (LAN) architectures, protocols, and technologies called Project 802 were developed by the
    • A. 

      A. Internet Engineering Task Force (IETF)

    • B. 

      B. Institute of Electrical and Electronics Engineers (IEEE)

    • C. 

      C. European Telecommunications Standards Institute (ETSI)

    • D. 

      D. Internet Corporation for Assigned Names and Numbers (ICANN)

  • 9. 
    The "parent" organization, headquartered in Geneva, Switzerland, for all other telecommunications organizations is the
    • A. 

      A. Internet Engineering Task Force (IETF)

    • B. 

      B. International Telecommunication Union (ITU)

    • C. 

      C. Institute of Electrical and Electronics Engineers (IEEE)

    • D. 

      D. International Telegraph and Telephone Consultative Committee (CCITT)

  • 10. 
    What organization is responsible for the X-series and V-series standards?
    • A. 

      A. Internet Engineering Task Force (IETF)

    • B. 

      B. International Telecommunication Union (ITU)

    • C. 

      C. Institute of Electrical and Electronics Engineers (IEEE)

    • D. 

      D. International Telecommunication Union Telecommunications Standardization Sector (ITU-T)

  • 11. 
    Which series of standards are recommended for data transmission using teh telephone network?
    • A. 

      A. T

    • B. 

      B. V

    • C. 

      C. X

    • D. 

      D. Z

  • 12. 
    The definition of the Open System Interconnect (OSI) reference model was a major contribution to networking made by the
    • A. 

      A. Internet Engineering Task Force (IETF)

    • B. 

      B. International Telecommunication Union (ITU)

    • C. 

      C. International Organizaiton for Standardization (ISO)

    • D. 

      D. Institute of Electrical and Elecronics Engineers (IEEE)

  • 13. 
    Within how many feet of the data communicaitons equipment (DCE) connection does the electronics Industries Alliance (EIA) RS-232-C standard prescribes bipolar-voltage serical data transmission?
    • A. 

      A. 25

    • B. 

      B. 50

    • C. 

      C. 100

    • D. 

      D. 200

  • 14. 
    Which Electronics Industries Alliance (EIA) interface standard has the ability to work in either balanced or unbalanced electrical circuits?
    • A. 

      A. RS-232-C

    • B. 

      B. RS-423

    • C. 

      C. RS-485

    • D. 

      D. RS-530

  • 15. 
    What transmission rates does Electronic Industries Allinace (EIA) RS-530 Accommodate?
    • A. 

      A. 20 kilobits per second (Kbps) to 200 Kbps

    • B. 

      B. 20 Kbps to 2 megabits per second (Mbps)

    • C. 

      C. 20 Kbps to 20 Mbps

    • D. 

      D. 20 Kbps to 22 Mbps

  • 16. 
    What two sublayers did the Institute of Electrical and Electronics Engineers (IEEE) divide the Open System Interconnect (OSI) data link layer into?
    • A. 

      A. High Level Data Link Control (HDLC) and Synchronous Data Link Control (SDLC)

    • B. 

      B. Logical Link Control (LLC) and Media Access Control (MAC)

    • C. 

      C. Data communications equipment (DCE) and data terminal equipment (DTE)

    • D. 

      D. Electronic Industries Alliance (EIA) RS-232 and RS-530

  • 17. 
    At what Open System Interconnect (OSI) layer are common data compression and encryption schemes used?
    • A. 

      A. Application

    • B. 

      B. Session

    • C. 

      C. Presentation

    • D. 

      D. Transport

  • 18. 
    What Open System Interconnect (OSI) layer is closest to the end user?
    • A. 

      A. Application

    • B. 

      B. Session

    • C. 

      C. Presentation

    • D. 

      D. Transport

  • 19. 
    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. 

      A. Layer above

    • B. 

      B. Layer below

    • C. 

      C. Lowest layer

    • D. 

      D. Peer layer

  • 20. 
    Which information unit, whose source and destination are network-layer entities, uses connectionless network service?
    • A. 

      A. Frame

    • B. 

      B. Packet

    • C. 

      C. Segment

    • D. 

      D. Datagram

  • 21. 
    What data communication protocol is used to govern the flow and format of information between systems?
    • A. 

      A. Character-oriented

    • B. 

      B. Bit-oriented

    • C. 

      C. Routing

    • D. 

      D. Network

  • 22. 
    In binary-synchronous protocol, what character is used to establish and maintain character synchronization prior to the message block and during transmission?
    • A. 

      A. SEQ

    • B. 

      B. SYN

    • C. 

      C. STX

    • D. 

      D. EST

  • 23. 
    What data communication protocol is based on bits and the position of the bits?
    • A. 

      A. Character-oriented

    • B. 

      B. Bit-oriented

    • C. 

      C. Routing

    • D. 

      D. Network

  • 24. 
    What data communication protocol ensures that the receiving station can distinguish information from garbage?
    • A. 

      A. Asynchronous protocol

    • B. 

      B. Binary synchronous protocol

    • C. 

      C. Synchronous Data Link Control (SDLC)

    • D. 

      D. High-Level Data Link Control (HDLC)

  • 25. 
    A group of computers and associated devices that share a common communications line within a small geographic area is a
    • A. 

      A. Metropolitan area network (MAN)

    • B. 

      B. Local area network (LAN)

    • C. 

      C. Wide area network (WAN)

    • D. 

      D. Virtual private network (VPN)

  • 26. 
    The interconnection of several networks in a city into a single larger network is a
    • A. 

      A. Local area network (LAN)

    • B. 

      B. Wide area network (WAN)

    • C. 

      C. Virtual private network (VPN)

    • D. 

      D. Metropolitan area network (MAN)

  • 27. 
    What type of network connects networks that are typically separated by geographical distances?
    • A. 

      A. Local area network (LAN)

    • B. 

      B. Wide area network (WAN)

    • C. 

      C. Virtual private network (VPN)

    • D. 

      D. Metropolitan area network (MAN)

  • 28. 
    What type of network enables a group of two or more computer systems to communicate over the public Internet?
    • A. 

      A. Local area network (LAN)

    • B. 

      B. Wide area network (WAN)

    • C. 

      C. Virtual private network (VPN)

    • D. 

      D. Metropolitan area network (MAN)

  • 29. 
    Which type network enables users to share resources, files, and printers in a decentralized way?
    • A. 

      A. Intranet

    • B. 

      B. Extranet

    • C. 

      C. Peer-to-peer

    • D. 

      D. Client-server

  • 30. 
    What Network layer protocol provides information about how and where data should be delivered, including the data's source and destination addresses?
    • A. 

      A. Internet protocol (IP)

    • B. 

      B. Address Resolution Protocol (ARP)

    • C. 

      C. Reverse Address Resolution Protocol (RARP)

    • D. 

      D. Internet Control Message Protocol (ICMP)

  • 31. 
    Which Network layer protocol matches a known internet protocol (IP) address for a destionation device to a Media Access Control (MAC) address?
    • A. 

      A. IP

    • B. 

      B. Address Resolution Protocol (ARP)

    • C. 

      C. Reverse Address Resolution Protocol (RARP)

    • D. 

      D. Internet Control Message Protocol (ICMP)

  • 32. 
    Which Network layer protocol provides the internet protocol (IP) address for a device that knows its own Media Access Control (MAC) address?
    • A. 

      A. IP

    • B. 

      B. Address Resolution Protocol (ARP)

    • C. 

      C. Reverse Address Resolution Protocol (RARP)

    • D. 

      D. Internet Control Message Protocol (ICMP)

  • 33. 
    Which Transport layer protocol does not guarantee that packets will be received at all?
    • A. 

      A. Internet protocol (IP)

    • B. 

      B. User Datagram Protocol (UDP)

    • C. 

      C. Transmission Control Protocol (TCP)

    • D. 

      D. Internet Control Message Protocol (ICMP)

  • 34. 
    Which Application layer protocol is used to send and receive files by way of transmission control protocol/interent protocol (TCP/IP)?
    • A. 

      A. File Transfer Protocol (FTP)

    • B. 

      B. Trivial File Transfer Protocol (TFTP)

    • C. 

      C. Simple Mail Transfer Protocol (SMTP)

    • D. 

      D. Hypertext Transfer Protocol (HTTP)

  • 35. 
    Which protocol is simpler than File Transfer Protocol (FTP) when transferring files between computers?
    • A. 

      A. FTP

    • B. 

      B. Trivial File Transfer Protocol (TFTP)

    • C. 

      C. Simple Mail Transfer Protocol (SMTP)

    • D. 

      Hypertext Transfer Protocol (HTTP)

  • 36. 
    Which Application layer protocol is a terminal emulation used to log on to remote hosts?
    • A. 

      A. Teletype Network

    • B. 

      B. Trivial File Transfer Protocol (TFTP)

    • C. 

      C. Simple Mail Transfer Protocol (SMTP)

    • D. 

      D. Hypertext Transfer Protocol (HTTP)

  • 37. 
    Which Application layer protocol is an automated means of assigning a unique internet protocol (IP) address to every device on a network?
    • A. 

      A. Dynamic Host Configuration Protocol (DHCP)

    • B. 

      B. Trivial File Transfer Protocol (TFTP)

    • C. 

      C. Simple Mail Transfer Protocol (SMTP)

    • D. 

      D. Hypertext Transfer Protocol (HTTP)