Test Bank Business Data Communications and Networking, 13th Edition by FitzGerald, Dennis, Durcikova

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Chapter 2 Application Layer True-False Questions The following are possible True/False questions for tests. The statement is given and the answer is provided. The level of difficulty (easy, mediu... m, hard), the reference section relevant to the topic, and learning objective are also furnished. 1. An application architecture is the way in which the functions of the application layer are performed solely by the clients in the network. Answer: False Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 2. The four general functions of any application program are: data storage, data access logic, application logic and presentation logic. Answer: True Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 3. A server farm is a group of computers that are linked together so they act as a one computer. Answer: True Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 4. Host-based and client-based networks are similar in that the client computer performs most of the work. Answer: False Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 5. The earliest data communications networks were client-server networks. Answer: False Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 6. As the demand for more and more network applications grow; host-based computing becomes the best solution. Answer: False Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 7. Your typical web browsing scenario where a person using a web browser accesses a web page from a server on the Internet is a good example of a client-server application architecture. Answer: True Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 8. In a client-server network, the presentation logic is the responsibility of the client computer. Answer: True Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 9. The two functions of middleware are to: 1) provide a standard way of communicating that can translate between software from different vendors, and 2) manage the message transfer between clients and servers so that clients do not need to ‘know’ which server contains the application’s data. Answer: True Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 10. Middleware is the software that sits between the application software on the client and the application software on the server. Answer: True Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 11. In the three-tier architecture, the software on the client computer is responsible for the presentation logic, an application server is responsible for the application logic and a separate database server is responsible for the data access logic and data storage. Answer: True Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 12. A “thin client” approach places most of the application logic on the client. Answer: False Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 13. The application architecture called the distributed computing model uses the “thick” client approach. Answer: False Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 14. Scalability refers to the ability to increase or decrease the capacity of the computing infrastructure in response to changing capacity needs. Answer: True Difficulty: Easy Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 15. To use the Web, each client computer requires a data link layer software package called a Web browser. Answer: False Difficulty: Easy Reference: World Wide Web L.O.: Understand how the Web works 16. The standard protocol for communication between a Web browser and a Web server is the web protocol. Answer: False Difficulty: Medium Reference: World Wide Web L.O.: Understand how the Web works 17. The World Wide Web was conceived at University of Utah as part of the development of the Internet. Answer: False Difficulty: Easy Reference: World Wide Web L.O.: Understand how the Web works 18. A request header for an HTTP request starts with a command, such as GET, and ends with the HTTP version number that the browser understands. Answer: False Difficulty: Easy Reference: World Wide Web L.O.: Understand how the Web works 19. All three parts (request line, request header, request body) of an HTTP request from a web browser to a web server are required when a request is made. Answer: False Difficulty: Medium Reference: Electronic Mail L.O.: Understand how email works 20. The Simple Mail Transfer Protocol is the least commonly used e-mail standard. Answer: False Difficulty: Easy Reference: Electronic Mail L.O.: Understand how email works 21. The two-tier e-mail architecture does not require any application software on the client computer. Answer: False Difficulty: Easy Reference: Electronic Mail L.O.: Understand how email works 22. Using the POP standard for client to server e-mail communication, the e-mail messages remain on the server computer. Answer: False Difficulty: Easy Reference: Electronic Mail L.O.: Understand how email works 23. Web-based e-mail like Hotmail is an example of three-tier client-server architecture that provides access to e-mail messages. Answer: True Difficulty: Medium Reference: Electronic Mail L.O.: Understand how email works 24. The fundamental problem in client-based networks is that all data on the server must travel to the client for processing. Answer: True Difficulty: Medium Reference: Application Architectures L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 25. Cloud-hosted virtual desktops are now available through a service called DaaS allowing users to access the same client computer (virtual desktop) from any computer and any location. Answer: True Difficulty: Medium Reference: Other Applications L.O. : Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 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, medium, hard), the reference section relevant to the topic, and learning objective are also furnished. 1. A(n) __________ is the way in which the functions of the application layer software are spread among the clients and servers in the network. a. anonymous FTP b. data access logic c. fat client d. application architecture e. response status architecture Answer: D Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 2. A ________ is a very large general-purpose computer that is capable of performing very many functions as if these are done simultaneously, and storing extremely large amounts of data. a. workstation b. transaction terminal c. cluster d. mainframe e. personal computer Answer: D Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 3. A ________ is a group of computers linked together so that they appear to act as one computer. a. workstation b. transaction terminal c. server farm d. network computer e. transaction terminal Answer: C Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 4. With the two-tier client-server architecture, the server is responsible for the ________ logic. a. application b. presentation c. data access d. session e. physical Answer: C Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 5. Which of the following is not a general function by any application program? a. data storage b. data access logic c. application logic d. presentation logic e. application access storage Answer: E Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 6. _________ is an application program function that deals with storing and retrieving data. a. data storage b. data access logic c. application logic d. presentation logic e. application access storage Answer: A Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 7. An application program function is __________, or the processing required to access data. a. data storage b. data access logic c. application logic d. presentation logic e. application access storage Answer: B Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 8. ______________, or the algorithms or business logic programmed into the application, can be simple or complex depending on the application. a. data storage b. data access logic c. application logic d. presentation logic e. application access storage Answer: C Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 9. ________ is the presentation of information to the user and the acceptance of the user’s commands. a. data storage b. data access logic c. application logic d. presentation logic e. application access storage Answer: D Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 10. One underlying problem with a host-based network is that: a. there are economies of scale because all computer resources are centralized b. the server can get overloaded since it must process all messages c. the architecture is relatively simple and works well d. the server is the one point of control which simplifies security e. clients (terminals) do not require sophisticated hardware/software because they do not perform most of the work in this type of architecture Answer: B Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 11. With a client-based network, one fundamental problem is that: a. the clients each must store all the data b. the server does not have any data storage capability c. the host or server must perform presentation logic, application logic, and data access logic at the same time d. all data on the server must travel to the client for processing e. the clients must perform the data storage logic Answer: D Difficulty: Easy Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 12. With the two-tier client-server architecture, the client is responsible for the ________ logic. a. session b. presentation c. data access d. data storage e. networking Answer: B Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 13. Client-server architectures: a. cannot connect computers that use different hardware b. are one of the least used network architectures today c. can use middleware to provide a standard way of communicating between software from more than one vendor d. assign the responsibility for the presentation logic to the server e. were the earliest type of network architectures Answer: C Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures 14. How are the application architecture functions split up in a client-server network? a. the presentation logic and data storage are on the client, while the data access logic is on the server b. the data storage, data access, and presentation logic are on the client c. the presentation logic is on the client, while the data storage and data access logic are on the server d. the data storage and data access logic are on the client, while the presentation logic are on the server e. the presentation logic and data access logic are on the client, and the data storage is on the server Answer: C Difficulty: Medium Reference: Application Architectures L.O.: Understand host-based, client-based, client-server, cloud-based, and peer-to-peer application architectures [Show More]

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