Pope_AIT 620 Assignment1

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Hampton University *

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600

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Information Systems

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Feb 20, 2024

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Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case CHAPTER 1: INTRODUCTION TRUE OR FALSE T F 1. The four forms of information used by modern information systems are voice, data, image, and video. T F 2. The number of computers and terminals at work in the world today is over 100 million. T F 3. Communications technologies using data networks have essentially replaced telephone networks in today’s business settings. T F 4. Computerization has enhanced the range of features available to businesses for voice communication. T F 5. The need to store and transmit images has been a driving force in the development of networking technology. T F 6. Video networks in business are used primarily to deliver programming. T F 7. Data compression is used to minimize the amount of information that must be transmitted in networks. T F 8. The major cost component for communications is the resource needed to transmit data across distance. T F 9. Wireless networks have the advantage of mobility, but the disadvantage of difficult implementation. T F 10. The basic building block of any communications facility is the transmission line. T F 11. The two media technologies currently driving the evolution of data communications networks are local area networks and cable television networks. T F 12. The most common example of packet switched technology is the modern telephone network. T F 13. Mobility is the newest frontier for ICT managers. T F 14. Cloud computing is being embraced by all major business software vendors with the exception of Oracle.

Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case T F 15. Convergence refers to the merger of previously distinct telephony and information technologies and markets. MULTIPLE CHOICE 1. The three forces that have driven the architecture and evolution of data communications and networking facilities are: A. Traffic growth, advances in technology, and legal considerations B. Traffic growth, development of services, and advances in technology C. Development of services, advances in technology, and legal considerations D. Advances in technology, lower costs, and greater capacities 2. Which of the following is NOT one of the four types of information found on networks? A. data B . control C. video D. voice 3. Which of the following is NOT one of the stated trends in technology identified as contributing to increasing traffic and services in networks? A. The emergence of the Internet B. More and more people are discovering the World Wide Web as a valuable resource C. The ever-increasing use of mobile devices and applications D. Increasing quality and variety of services in both voice and data networks 4. Among the application services lists given below, which lists the services in order such that the desired throughput rates are increasing? A. Still image transfers, large file transfers, transaction processing, and voice B. Voice, transaction processing, still image transfers, and large file transfers

Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case C. Large file transfers, voice, transaction processing, and still image transfers D. Transaction processing, voice, still image transfers, and large file transfers 5. Commonly referred to as cell relay, _________ is a culmination of advancements in both circuit switching and packet switching A. asynchronous transfer mode B. frame relay C. convergence D. MAN 6. Which of the following is NOT one of the main application areas that serve as one of the drivers in determining the design and makeup of enterprise networks? A. Transaction processing B. IP telephony C. Multimedia messaging D. E-business 7. The concept that describes the merger of previously distinct telephony and information technologies and markets is called ___________. A. unification B. outsourcing C. merger D. convergence 8. Which of the following is NOT one of the three layers in the model of business-driven convergence? A. Networks B. Infrastructure C. Applications D. Services 9. The types of networks commonly used in businesses today include: A. Local area networks, wide-area networks, and telephone networks B. Local area networks, telephone networks, and voice mail networks C. Wide area networks, voice mail networks, and email networks D. Voice mail networks, email networks, and local area networks

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Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case 10. Which of the following is the most commonly used standard for computer communications? A. SLA B. TCP/IP C. ISO D. USD 11. In the past, the data processing function was organized around a single computer. Today, it is much more common to find many computers linked by networks. This approach to data processing is called: A. decentralized computing B. client computing C. distributed computing D. connected computing 12. Which of the following are emerging enterprise network applications? A. video broadcasting and smart objects B. cloud computing and telepresence C. video enriched collaboration and cloud computing D. all of the above 13. At the ________ level the manager deals with the information network in terms of the services that must be available to ensure that users can take full advantage of the applications that they use. A. enterprise services B. communications infrastructure C. network infrastructure D. application 14. __________ is similar to online chat because it is text-based and exchanged bidirectionally in real time. A. Audio conferencing B. Instant messaging C. Presence D. Web conferencing 15. __________ allows users in two or more locations to interact simultaneously via two-way video and audio transmission. A. Web conferencing B. Unified messaging

Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case C. Videoconferencing D. Audio conferencing SHORT ANSWER 1. Two types of transmission media recently gaining in popularity in business communications are __ wireless ________ connections and fiber optic cables. 2. The type of network commonly used at business premises is called a ___ LAN _______. 3. The type of network commonly used with multiple premises in businesses is called a ___ WAN _________. 4. An architecture where multiple computers provide database functions, file services, printing services, and other specialized functions on a shared basis for many users is called a ___ client/server __________ architecture. 5. Convergence can be thought of in terms of a three-layer model of enterprixe communications: applications, enterprise services, and __ infrastructure _______. 6. Three key benefits of IP network convergence are: cost savings, transformation, and __ effectiveness _______. 7. A __ RTC ________ is the element that provides UC users with a unified user interface across communication devices. 8. ___ Presence ______ is the ability to determine, in real time, where someone is, how he or she prefers to be reached, and what he or she is currently doing. 9. _ Web conferencing _________ refers to live meetings or presentations in which participants access the meeting or presentation via a mobile device or the Web, either over the Internet or corporate intranet. 10. _ Unified messaging _________ systems provide a common repository for messages from multiple sources. 11. A classic example of ___ circuit switching _______ is the telephone network. 12. In a __ packet switching ________ network data are transmitted in a sequence of small chunks that are passed through the network from switching node to switching node along some path leading from source to destination.

Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case 13. _ ISO __________ is a nongovernmental organization that promotes the development of standardization and related activities with a view to facilitating the international exchange of goods and services, and to developing cooperation in the spheres of intellectual, scientific, technological, and economic activity. 14. The ___ ITU _______ is an international organization within the United Nations System in which governments and the private sector coordinate global telecom networks and services. 15. __ NIST ________ is a U.S. federal agency that deals with measurement science, standards, and technology related to U.S. government use and to the promotion of U.S. private sector innovation. PERSONAL INFOMATION :  Name/nickname by which you prefer to be addressed: _Anita_________  AIT 620 is: a ( required course/elective)  I will be taking AIT 622: (YES/ NO)  Describe the biggest impact, or area of impact, that the Internet has had on you personally. - The internet makes it easier for me to communicate with my close friends who do not live in the same state as me. It also has become a big part in how I have learned in th past few years, and well as how I manage my finances.  Summarize any previous networking coursework you have taken (college or high school) - College o Intro to Computers CSC 120 o Intro to Cyber Security CYS 382 o Computer Forensics and Incident Handling CYS 470 o Computer Viruses and Malicious Software CYS 475 o Risk Management CYS 485  List any Networking or IT Security Certifications you currently hold: - N/A as of now  Describe any work experience you have had in the IT field - I haven’t had any work experience in the IT field yet. However, I will be starting my summer internship with Deloitte as an Cyber Risk and Financial

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Business Data Communications Infrastructure, Networking, and Security, 7 th Edition, by William Stallings and Tom Case Advisory intern in June.  Briefly discussion what you hope to learn from this course and what areas you would like to see emphasized (whether listed on the syllabus or not). - From this course I hope to develop a better understanding of things I have learned previously. As well as learning more about business communication systems.

Pope_AIT 620 Assignment1

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