Test Bank For Business Data Communications and Networking 13th Edition by FitzGerald, Dennis, Durcikova | Complete Latest Guide.

Test Bank For Business Data Communications and Networking 13th Edition by FitzGerald, Dennis, Durcikova | Complete Latest Guide. Chapter 1 Introduction to Data Communications True-False Questions The following are possible True/False questions for tests. The statement is given and the answer is provided in square brackets. The level of difficulty (easy, moderate, difficult) and the page number(s) relevant to the topic are also furnished. 1. According to John Chambers, CEO of Cisco (a leading networking technology company), the information age is the second Industrial Revolution. Answer:True Difficulty: Easy Reference: p. 4 2. Due to recent advances in high speed communication networks, the information lag, or the time it takes for information to be disseminated around the world, has been significantly shortened. Answer:True Difficulty: Easy Reference: p.4 3. One perspective of data communications and networking as stated in the textbook, examines the management of networking technologies, including security, network design, and managing the network on a day-to-day basis and long term basis. Answer:True Difficulty: Moderate Reference: p. 5 4. The first electronic data communication system was the telephone developed by Alexander Graham Bell. Answer:False Difficulty: Easy Reference: p. 5 5. The first transcontinental telephone service was established in the 1940s. Answer:False Difficulty: Easy Reference: p. 6 6. An Inter-Exchange Carrier (IXC) provides only local telephone services to homes and businesses. Answer: False Difficulty: Easy Reference: p. 6 7. Common carriers include the RBOCs, IXCs, and Cable TV companies. Answer:True Difficulty: Moderate Reference: p. 7 8. The Telecommunications Act of 1996 now permits the RBOCs to provide long distance outside the region in which they provide local telephone services. Answer: True Difficulty: Moderate Reference: p. 7 9. The Internet was started by the U.S. Department of defense in 1969 as a network of four computers called ARPANET. Answer: True Difficulty: Moderate Reference: p. 9 10. Telecommunications is the transmission of voice and video as well as data and implies transmitting a longer distance than in a data communication network. Answer:False Difficulty: Moderate Reference: p. 11 11. A local area network (LAN) connects other LANs and BNs located in different areas to each other and to wide area networks in a span from 3 to 30 miles. Answer: False Difficulty: Moderate Reference: p. 13 12. An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization. Answer: False Difficulty: Moderate Reference: p. 15 13. A car manufacturer may give access to certain portions of its network to some of its suppliers via Internet. This is an example of an Extranet. Answer: True Difficulty: Moderate Reference: p. 15 14. The OSI model is the most widely used network model to develop and build networks today. Answer: True Difficulty: Moderate Reference: p. 16 15. The network layer is responsible for routing messages from the source computer to the destination computer. Answer: True Difficulty: Easy Reference: p. 17 16. In the OSI model, the application layer is the end user’s access to the network. Answer: True Difficulty: Moderate Reference: p. 18 17. The application layer is the seventh layer of the Internet model and provides the end user’s access to the network. Answer: True Difficulty: Moderate Reference: p. 18 18. At the transport layer in the Internet model, TCP is responsible for breaking large files received from the application layer into smaller packets and opening a connection to a server for transferring the packets. Answer: True Difficulty: Difficult Reference: p. 17 19. Ethernet is an example of a network layer protocol. Answer: False Difficulty: Easy Reference: p. 17 20. Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer. Answer: True Difficulty: Easy Reference: p. 22 21. The specification stage of the formal standardization process consists of developing nomenclature and identifying the problems to be addressed. Answer: True Difficulty: Moderate Reference: p. 23 22. ANSI is a voting participant in the ISO. Answer: True Difficulty: Easy Reference: p. 23 23. Passive optical networking, a key trend for the future, means that virtually any computer will be able to communicate with any other computer in the world. Answer: False Difficulty: Moderate Reference: p. 26 24. The high bandwidth requirements (high communications needs) for video have slowed its integration into computer networks. Answer: True Difficulty: Moderate Reference: p. 28 25. An Application Service Provider (ASP) develops a specific system and companies purchase or rent the service without installing the system on their own computers. Answer: True Difficulty: Moderate Reference: p. 29 MULTIPLE CHOICE The following are possible multiple-choice questions for tests. The question is posed and the answer is provided under the choices. The level of difficulty (easy, moderate, difficult) and the page number(s) relevant to the topic is also furnished. 1. Data communications and networking can be considered as a global area of study because: a. new technologies and applications emerge from a variety of countries and spread around the world b. the technologies enable global communication c. the political and regulatory issues are exactly the same in every country d. a and b e. none of the above Answer: D Difficulty: Easy Reference: p. 4 2. In 1970, a key decision regarding MCI: a. set up the Telecommunications Competition and Deregulation Act b. permitted MCI to provide limited long distance service in the U.S. c. permitted telephone and/or computer equipment that was not manufactured by Bell Telephone to be connected to AT&T’s network d. divided AT&T into two parts: one part for long distance service, and a second part, comprised of seven operating companies, for local telephone service e. set up deregulation for international telecommunications markets in 68 countries Answer: B Difficulty: Easy Reference: p. 6 3. In 1984, a federal judge broke up a highly contested telephone service monopoly and: a. set up the Telecommunications Competition and Deregulation Act b. permitted MCI to provide limited long distance service in the U.S. c. permitted telephone and/or computer equipment that was not manufactured by Bell Telephone to be connected to AT&T’s network d. divided AT&T into two parts: one part for long distance service, and a second part, comprised of seven regional operating companies, for local telephone service e. set up deregulation for international telecommunications markets in 68 countries Answer: D Difficulty: Easy Reference: p. 6 4. In 1996, the U.S. Congress replaced all current laws, FCC regulations, and the consent decree for AT&T. It: a. set up the Telecommunications Competition and Deregulation Act b. permitted MCI to provide limited long distance service in the U.S. c. permitted telephone and/or computer equipment that was not manufactured by Bell Telephone to be connected to AT&T’s network d. divided AT&T into two parts: one part for long distance service, and a second part, comprised of seven operating companies, for local telephone service e. set up deregulation for international telecommunications markets in 68 countries Answer: A Difficulty: Easy Reference: p. 7 5. Which of the following statements about the U.S. telephone marketplace is not true, as of the Telecommunications Act of 1996? a. Quickly, the local telephone industry in the U.S. went from a highly regulated monopoly to open competition. b. RBOCs may not provide long distance service outside the region in which they provide local telephone services. c. The common carriers may provide local services to customers. d. RBOCs can provide long distance services inside their region if at least one viable competitor for local telephone services exists. e. The Telecommunications Act replaced the 1984 consent decree under which AT&T was broken up. Answer: B Difficulty: Difficult Reference: p. 7 6. Modern (1990s and beyond) data communication networks are characterized by: a. decks of punch cards b. online terminals for batch processing c. isolated (stand-alone) microcomputers d. batch I/O devices e. distributed systems that rely heavily on networking Answer: E Difficulty: Easy Reference: p. 8 7. In 1983, the Internet was split into two parts, one dedicated solely to the military and one dedicated to university research centers. The two parts were called: a. Intranet and Extranet b. BITNET and NSFNET c. Milnet and Internet d. ARPANET and Milnet e. none of the above Answer: C Difficulty: Moderate Reference: p. 9 8. Which of the following is not true about a server? a. stores data and software that can be accessed by the client. b. is the pathway through which messages travel. c. in client/server computing they work together over the network with client computers to support the business application. d. can only perform one function on a network. e. stores documents and graphics that can be accessed from any Web browser. Answer: D Difficulty: Difficult Reference: p. 12 9. Networks that are designed to connect similar computers that share data and software with each other are called: a. client/server networks b. peer-to-peer networks c. host networks d. client networks e. local area networks Answer: B Difficulty: Easy Reference: p. 12 10. The function of the file server is to : a. store data and software programs that can be used by client computers on the network. b. manage all printing requests from clients on the network. c. transfer e-mail messages to other servers on the network. d. store HTML documents for an Internet or intranet web site. e. coordinate the communication of client and servers on the network. Answer: A Difficulty: Moderate Reference: p. 12 11. A local area network is: a. a large central network that connects other networks in a distance spanning exactly 5 miles. b. a group of microcomputers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information. c. a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles). d. a network spanning a large geographical area (up to 1000s of miles). e. a network spanning exactly 10 miles with common carrier circuits. Answer: B .