TEST BANK FOR DIGITAL BUSINESS NETWORKS 1ST EDITION BY DOOLEY 1.1 Multiple Choice Questions 1) What are the five evolution phases of data communications? A) digitization, growth of data gathering, an era of delegation, the Internet as a common tool, and pervasive computing B) analog signals, growth of data communications, an era of deregulation, the Internet as a common tool, and pervasive computing C) digitization, growth of data communications, an era of deregulation, the Internet as a common tool, and pervasive computing D) digitization, growth of data communications, an era of deregulation, the evolution of Voiceover-IP (VoIP) as a common tool, and pervasive computing Answer: C Diff: Page Ref: 2) In what year did computer technology begin to transform our social, economic, and governmental infrastructures? A) 1960s, when Internet became a core in our technology B) 1950s, when ARPA research was formed C) 1980s, when the Internet was introduced D) 1990s, when the Internet was enhanced Answer: A Diff: Page Ref: 3) The technology used in the 1960s called was/were very large and expensive and used proprietary architectures that did not support cross-platform communications A) Department of Defense PCs B) the Internet C) personal computers D) mainframes Answer: D Diff: Page Ref: 4) The term generally refers to a technology or product that is copyrighted and not available for use without some type of fee or payment to its owner A) Internet technology B) RFID (Radio Frequency Identification) technology C) Proprietary D) IEEE (Institute of Electrical and Electrical Engineers) technology Answer: C Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 5) A series of legal battles, beginning in the late and continuing into the , introduced an era of deregulation that in resulted in the federally mandated breakup of Bell Telephone/AT&T into two components A) 1970s, 1980s, 1988 B) 1960s, 1970s, 1984 C) 1960s, 1970s, 1988 D) 1980s, 1990s, 1994 Answer: B Diff: Page Ref: 6) A key goal of is to allow competitors to enter a market so that consumers in that market can have a wider selection of service providers from which to choose A) digitization B) the Internet C) deregulation D) All of the above Answer: C Diff: Page Ref: 7) In 1958, in response to the Soviet Union's launch of Sputnik, the U.S Department of Defense established A) Advanced Research Projects Agency (ARPA) B) Telecommunications Industry Association (TIA) C) Internet Engineering Task Force (IETF) D) Internet Assigned Numbers Authority (IANA) Answer: A Diff: Page Ref: 8) The Internet mostly in use today, especially in the U.S., is known as version IPv4 (Internet Protocol version 4) What is the next improved and enhanced Internet Protocol technology? A) Internet protocol v5 B) Internet protocol v3 C) Internet protocol v9 D) Internet protocol v6 Answer: D Diff: Page Ref: 9) Data communications is formally considered as a subset of A) Internet B) AT&T Bell lab technologies C) Telecommunications D) All of the above Answer: C Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 10) Telecommunications includes many different types of communication besides data, such as voice and video, and includes telephony, telegraphy, and television Where does the prefix "tele" come from? A) The Latin word communications B) The Roman word for traveling C) The English word for telecommute D) The Greek word for distance Answer: D Diff: Page Ref: 11) Telecommunications historically has supported other purposes beyond communications between and A) computers, networks B) World Wide Web, DNS C) DHCP, mainframes D) File Transfer Protocols, Proxy Servers Answer: A Diff: Page Ref: 12) A number of , both national and international, specify how, where, when, what, and who can provide telecommunications services A) Internet and network organizations B) protocols C) standards-setting bodies D) Internet technologies Answer: C Diff: Page Ref: 13) Today, the term data encompasses a much broader range of elements, no longer consisting of just numbers and text What other elements might data include? A) graphic images, sound files, or video elements B) sound files, but not video C) video elements, but not sound files D) None of the above Answer: A Diff: Page Ref: 14) One binary coding scheme in particular that will affect data communications technologies is A) Internet subnet mask B) Internet Protocol (IP) C) binary code D) Unicode Answer: D Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 15) What are the three questions that must be considered with regards to data communications? A) (1) how the data are delivered, (2) how accurate the data are once delivered, and (3) how accessible the data are to those who need to use it B) (1) how the data are received, (2) how accurate the data are once delivered, and (3) how accessible the data are to those who need to use it C) (1) how the data are delivered, (2) how accurate the data are once received, and (3) how accessible the data are to those who need to use it D) (1) how the data are delivered, (2) how accurate the data are once delivered, and (3) how accessible the data are to those who sent it Answer: A Diff: Page Ref: 16) A/an is a set of rules that determine how something is performed or accomplished A) standard B) Federal Communications Commission (FCC) C) protocol D) Internet Assigned Numbers Authority (IANA) Answer: C Diff: Page Ref: 17) In data communications, protocols must possess how many key characteristics in order for communications to successfully and effectively occur? A) three B) four C) two D) five Answer: B Diff: Page Ref: 18) When a sending device sends its data to a receiving device, the two devices must agree on the of speed that will be used in the transmission A) protocol B) standard C) quality D) rate Answer: D Diff: Page Ref: 19) When two devices need to communicate, one of the devices may not be available for a variety of reasons: hardware failure, a downed communication link, , or A) system repair, network upgrading B) system repair, software upgrading C) system repair, mainframe upgrading D) PC repair, software upgrading Answer: B Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 20) Evolving data communications technologies, which are or depending on how one views them, are having dramatic effects on the ethical standards of conduct within our society A) invasive, pervasive B) similar, different C) active, interactive D) small, large Answer: A Diff: Page Ref: 21) If a business wants to be able to keep accurate records of its inventory, what should the business utilize? A) Wireless technologies to be connected to the network all the time B) More resources to keep track of what has been sold and what has been purchased C) GPS (Global Positioning System) D) RFID (Radio Frequency Identification) Answer: D Diff: Page Ref: 22) What are the two main types of standards? A) invasive or pervasive B) TCP/IP and Ethernet C) formal and informal D) IPv4 and IPv6 Answer: C Diff: Page Ref: 23) Standards provide well-known and published upon which a technology can be based A) guidelines B) rules C) policies D) All of the above are correct Answer: D Diff: Page Ref: 24) standards are either proprietary or nonproprietary A) Formal B) Non-formal C) FCC (Federal Communications Commission) D) De facto Answer: D Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 25) A famous example of a de facto standard that later became a formal standard is A) Internet subnet mask B) Internet Protocol (IP) C) Ethernet protocol D) Unicode Answer: C Diff: Page Ref: 10 26) Ethernet was created by Xerox Corporation and later formalized by the Institute of Electrical and Electronics Engineers (IEEE) as what standard? A) 801.2 B) 802.1 C) 802.11 D) 802.3 Answer: D Diff: Page Ref: 10 27) ISO is one of the standards-setting bodies ISO stands for A) Internet Standardization Organization B) International Standards Organization C) International Systems Organizations D) Internet Systems Organization Answer: B Diff: Page Ref: 10 28) One of the major standards-setting body organizations is ANSI, which stands for A) American Native Standards Institute B) American National Standards of Internet C) American National Standards Institute D) American Nation Systems Institute Answer: C Diff: Page Ref: 10 29) The ISO attempts to create international technological compatibility by supporting and establishing worldwide A) standards B) protocols C) IP addresses D) Ethernet protocol Answer: A Diff: Page Ref: 10 Copyright © 2014 Pearson Education, Inc 30) The defines many standards for both local area networks (LANs) and backbone networks A) ISO B) ANSI C) IEEE D) FCC Answer: C Diff: Page Ref: 10 31) The is a nonprofit organization accredited by the American National Standards Institute to develop voluntary industry standards for a wide variety of telecommunications products A) IANA B) IETF C) FCC D) TIA Answer: D Diff: Page Ref: 10 32) The attempts to create international technological compatibility by supporting and establishing worldwide standards in the field of information technology A) FCC B) OSI C) ISO D) IEEE Answer: C Diff: Page Ref: 10 33) of a technology know that, by following standards, they will create a product of much greater appeal to their market of interest A) Network engineers B) Software engineers C) Managers D) Developers Answer: D Diff: Page Ref: 34) of a technology appreciate standards because it makes for easier maintenance, upgrade, and troubleshooting of their technology infrastructures A) Managers B) Developers C) Help desk users D) All of the above Answer: A Diff: Page Ref: Copyright © 2014 Pearson Education, Inc 35) The is an open-member professional society, meaning you could join it if you wanted to It is the closest the Internet has to an owning organization It represents more than 100 countries A) OSI B) ISO C) ISOC D) IETF Answer: C Diff: Page Ref: 10 36) The is an international community, consisting of researchers, vendors, and network designers Its concern is with the evolution of the Internet's architecture and its efficient functioning A) IEEE B) FCC C) ANSI D) IETF Answer: D Diff: Page Ref: 10 37) The is responsible for actions associated with, and the final specifications of, Internet standards A) IESG B) FCC C) ANSI D) IETF Answer: A Diff: Page Ref: 11 38) The Internet Architecture Board (IAB) provides strategic direction and guidance to the IESG and the A) IANA B) FCC C) ANSI D) IETF Answer: D Diff: Page Ref: 11 39) The IANA (Internet Assigned Numbers Authority) governs the assignment of IP A) standards B) numbers C) binary codes D) All of the above Answer: B Diff: Page Ref: 11 Copyright © 2014 Pearson Education, Inc 40) The oversees and authorizes interstate and international electrical communication systems originating in the U.S A) IESG B) FCC C) ANSI D) IETF Answer: B Diff: Page Ref: 11 41) The plays a major role in ensuring that the national telephone system operates effectively A) IESG B) ISO C) FCC D) IETF Answer: C Diff: Page Ref: 11 42) The spearheaded the development of the Simple Network Management Protocol (SNMP) and reviews performance standards for bridges, routers, and router protocols A) ISO B) IEEE C) IETF D) FCC Answer: C Diff: Page Ref: 10 43) The plays a fundamental role in the defining of standards for electrical and functional characteristics of interface equipment A) TIA B) IEEE C) IETF D) FCC Answer: A Diff: Page Ref: 10 44) _'s membership list includes industry associations, consumer groups, governmental bodies, professional associations, and other interested parties A) ISO B) IETF C) IEEE D) ANSI Answer: D Diff: Page Ref: 10 Copyright © 2014 Pearson Education, Inc 45) The has established standards that define data transmission over phone lines, email and directory services, and transmission over public digital networks A) ISO B) ITU-T C) IEEE D) ANSI Answer: B Diff: Page Ref: 10 46) determine the speed at which sending and receiving devices can communicate based on the capabilities of each device A) Protocols B) Standards C) IPv4s D) IPv6s Answer: A Diff: Page Ref: 11 1.2 True/False Questions 1) Networked data communications are not changing our world Answer: FALSE Diff: Page Ref: 2) In 720 B.C., the Greeks used homing pigeons to carry messages Answer: FALSE Diff: Page Ref: 3) Global Positioning System (GPS) provides instant messaging and assistance Answer: FALSE Diff: Page Ref: 4) The evolution of data communications can be divided into five phases Answer: TRUE Diff: Page Ref: 5) The evolution of data communications can be divided into six phases Answer: FALSE Diff: Page Ref: 6) Deregulation is one of the six evolution phases of data communications Answer: FALSE Diff: Page Ref: 7) Deregulation is not one of the five evolution phases of data communications Answer: FALSE Diff: Page Ref: 10 Copyright © 2014 Pearson Education, Inc 5) What is the main definition of protocol and for what is it used? Answer: Protocol is a set of rules that determine how something is performed or accomplished Many kinds of protocols rule our daily lives, some formal, some casual When a customer goes into a bank to make a transaction, protocol states that the customer politely wait in line until it is his or her turn to speak with a teller Diff: Page Ref: 6) In data communications, protocols must possess four key characteristics in order for communications to successfully and effectively occur What are these four key characteristics? Answer: First, an agreement, or protocol, must specify how the data are to be packaged, or formatted, so that they can be sent between sending and receiving devices The ability of the communicating devices to understand the formatting protocols being used A third characteristic that data communication protocols should address is the speed of the communication When two devices need to communicate, one of the devices may not be available for a variety of reasons: hardware failure, a downed communication link, system repair, or software upgrading Diff: Page Ref: and 7) What does RFID stand for? For what is RFID used? Answer: RFID stands for Radio Frequency Identification RFID help businesses to track and monitor inventory With the use of RFID, businesses can keep accurate records of inventory Businesses will also know what is in their warehouses or selling from the shelves of retailers Businesses will have a better understanding of what items should be increased, or decreased, in terms of production Diff: Page Ref: 8) What are the main differences between protocols and standards? Answer: Protocols are the rules that determine how devices communicate Standards define the establishment of the essential rules, functionalities, and operations a protocol must fulfill Diff: Page Ref: 15 Copyright © 2014 Pearson Education, Inc 9) Describe two of the Standards-setting organizational bodies Answer: The ITU-T concerns itself with international telecommunications issues The ITU-T's particular areas of interest are phone and data systems The ITU-T has established standards that define data transmission over phone lines, e-mail and directory services, and transmission over public digital networks ANSI represents the United States on the ISO However, ANSI does not have a formal affiliation with the Federal Government; it is a nonprofit, private corporation ANSI's membership list includes industry associations, consumer groups, governmental bodies, professional associations, and other interested parties ANSI is the principal standards-setting body in the United States The IEEE defines many standards for both local area networks (LANs) and backbone networks (BNs) Emphasizing electronics and electrical engineering, the IEEE is the world's largest professional engineering society The IEEE is playing a critical part in establishing new wireless communication standards (See this chapter's "Topic in Focus" to find out more about the IEEE.) The TIA is a nonprofit organization accredited by the American National Standards Institute (ANSI) to develop voluntary industry standards for a wide variety of telecommunications products The TIA plays a fundamental role in the defining of standards for electrical and functional characteristics of interface equipment Diff: Page Ref: 10 10) What is the main purpose of the ISO (International Standards Organization)? Answer: The ISO is an international body of voluntary organizations with great influence in the field of information technology The ISO attempts to create international technological compatibility by supporting and establishing worldwide standards Diff: Page Ref: 10 16 Copyright © 2014 Pearson Education, Inc ... many standards for both local area networks (LANs) and backbone networks A) ISO B) ANSI C) IEEE D) FCC Answer: C Diff: Page Ref: 10 31) The is a nonprofit organization accredited by the American... Answer: RFID stands for Radio Frequency Identification RFID help businesses to track and monitor inventory With the use of RFID, businesses can keep accurate records of inventory Businesses will... performance standards for bridges, routers, and router protocols A) ISO B) IEEE C) IETF D) FCC Answer: C Diff: Page Ref: 10 43) The plays a fundamental role in the defining of standards for