Questions and Answers of Modern Systems Analysis And Design

What are the basic operations that must be implemented for most kinds of associations? Which ones must be implemented for specific kinds of associations?
Propose a generic implementation for the query getBooks(aBookFilter:BookFilter):Set,Book.. Try to keep it as general and reusable as possible.
Propose an implementation for the system commands and delegate methods presented in Figures 9.42 and 9.44. changeOwner(new Ownerld,aLicense) FIGURE 9.42 Communication diagram with a link replacing
Look at the four contracts for the deleteBook operation in Section 8.7.3. Write a system test in your favorite language or in pseudocode to test each of the versions of that operation.Section 8.7.3.
Prepare a use case test table for the use case in Figure 5.4. Use case 01/02: Buy books (joins Order books and Pay order) 1. The customer provides keywords for searching books. 2. The system
Chose at least three use cases of the Livir system (Table 4.7): a CRUD, a report, and a nonstereotyped use case. Create a complete interface model for them.Table 4.7 Table e4.7 Suggestion for Use
Research some sources concerning the MVC (Model-View-Controller) and MVP (Mode-View-Presenter) design patterns. How many different definitions and variations for those models are you able to find?
Explain the differences between a business use case and a system use case.
Explain the differences among COCOMO II, function point analysis, and use case point analysis. What are their relative advantages and disadvantages?
In use case point analysis what is the difference between technical and environmental factors? Why does use case point analysis consider them as separate groups?
Let E be the total effort for developing a project, and T the ideal calendar time recommended for the same project. What happens with E when the project must be developed in a time shorter than T?
How do you determine the ideal duration of an iteration for a given project?
How do you establish a list of priorities for use cases?
What is the difference between an essential use case and a real use case? Why is the essential use case more interesting for requirements purposes?
Explain the differences between mandatory, complementary, and unsuitable use case steps.
Expand the main flow of use case 03, Deliver order, presented in Figure 3.10.Figure 3.10: f eposit manager Receive books Deliver order Register delivery confirmation Register order return 0000000
Finalize the expansion of the use case of Figure 5.2 by indicating its alternate flows.FIGURE 5.2: Use case 02: Pay order 1. The system generates the pending order summary (title, author, quantity,
Design the system sequence diagram for the main flow of the use case of Figure 5.2, choosing one of the following strategies: stateless or stateful. After designing the diagram for the main flow, add
What is the purpose of the controller class? What is its relation with dependent and independent concepts?
List some examples of data types that could be defined as primitive
In Figure 7.18, the Transaction class needs another invariant. A transaction cannot be linked to entries that are linked to the same account. Elaborate that invariant in OCL.Figure 7.18, Account
Complete the diagram of Figure 7.12 with information about orders, items, books, and customers. Then use OCL to define the derived attribute amount for both subclasses of Discount.Figure 7.12
What is the difference between exceptions in command contracts and in query contracts?
What are the five possible postconditions, and what basic commands define each of them? How can they be represented in OCL contracts?
Produce the contract for the searchBook query in Figure 8.2. loop ok. Customer loop 1: keyword* 2: book" Livir interface 3: selected book, quantity [ Reference system sequence diagram. Livir
Read again the last paragraph of Section 9.3.2. Try to draw a communication diagram that illustrates that situation. Why is it a worse design than the diagram presented in Figure 9.29?Section 9.3.2.
Draw a sequence diagram equivalent to the one in Figure 9.43.Figure 9.43 add2Cart(aCartId,anIsbn,aQuantity) 3: insertItem(aBook,aQuantity) : Livir 1: aCart=getCart(aCartld) 2: aBook:=getBook(anIsbn)
What are the four fundamental principles of the Unified Process?
What is the goal of each of the four phases of the Unified Process?
How do the phases of UP differ from waterfall's phases?
What is the purpose of business modeling?
What is the difference between a business worker and a business actor?
Which aspects of a business may be detailed by an activity diagram? Which may be detailed by a state machine diagram?
Imagine you are a decision-maker about to allocate millions of dollars to-ward an SoS. The analysts have told you that the SoS configuration they recommend was developed using an agent-based model.
Choose one of the items below to complete:a. Prepare an abstraction depiction /‘paper model ’and complete pseudo-code that would implement a fire escape ABM for a university class-room.
Find an example of an undirected network in the real world. Provide justi-fication as to why this network operates as an undirected network.
Define a“ cycle” in a network. Describe a cycle assuming a fully connected network with nodes numbered 1,2,3,4,5, and 6.
In your own words ,explain why as sort ativity could be important to System of Systems theory.
Design an undirected network with N=7 and L=12. Based on how you drew your network, classify it as either fully connected ,random, or scale-free. Justify your decision with a short paragraph
Using the same graph from the question above, create an adjacency matrix that defines relationships within the graph.Data from in question aboveDesign an undirected network with N=7 and L=12. Based
Design a directed network that has N=6 and L=10. Choose directional-ity on your directed network. Once directionality is established, build the adjacency matrix associated to your graph.
Design a network with an average degree of 2.
For the following network (Figure 5.11), do hand calculations (show your hand written work) to compute(a) for each node: degree ,cluster-ing coefficient, betweenness centrality, and degree
Why would we use agent- based models in stead of analytic models?
Define two of the agent behavior types.
Explain the phenomenon of emergence in SoS . Why is this property impor-tant?
What is the “ultimate goal” of ABM ? Explain what is gained from this “ultimate goal.”
Can emergence be observed at the α level of an SoS? Why or why not?
What are the three features of an appropriate lexicon for SoS?
Does an SoS always have a centralized control?
Are Disruptors and Driver sendogenous or exogenous entities?
What is a potential risk associated with moving directly from the definitionphase of an SoS problem to the implementation phase?
In which phase of the DAI process are the SoS stake holder identified? Met-rics for the analysis defined? Appropriate models identified and discussed? ROPE table built?
Where have you seen DAI-like process esimplemented in engineering? Dis-cuss examples of how Definition, Abstraction, and Implementation are used in the engineering disciplines.
Context and boundary are important for defining (and modeling) a system.a. Trueb.False
Is it difficult to solve many SoS problem effectively by manipulating ele-ments ONLY at the α level (i.e., lowest level)?a. Yes b.No
How many hierarchical levels are required in a ROPE table?a. 4 b.2c. 6d. It depends on the particular problem/scope
Which of the following is NOT a source of complexity in an SoS?a. Uncertainty of requirementsb.Multiplicity of perspectives among stakeholdersc. Lack of diversity among componentsd. Unmodeled
Which of the following is NOT the barrier to successful SoS modeling and analysis?a. Tendency of fragmented perspectives for practical development b.Lack of mathematical understanding of physical
Which of the following would you NOT be concerned with during the ab-straction phase of the DAI SoS M&A process?a. Specifying the main classes of actors b. Recognizing the “big picture”
What are the ROPE table categories?a. Research, Operations, Project, Economics b.Resources, Operations, Politics, Environmentc. Resources, Operations, Policy, Economicsd. Reusability, Operations
Which is NOT a class of SoS design variables?a. Composition b.Configurationc. Controld. Communication
Design a system hierarchy forareal- world System of Systems problem. Perform background research on the different levels of system hierarchies and decide on an application of interest .Discuss why
Think of an SoS problem of interest. With the help of the example provided in this chapter ,try to fill a ROPE table for the specific problem. Do not focus only on the Resources (component
Although the customer loyalty project at Petrie Electronics had gone slowly at first, the past few weeks had been fast-paced and busy, Jim Watanabe, the project manager, thought to himself. He had
Malocal bank, kan ufficers must evaluate loan application hefare approving or denying them. During this evaluation proces many factors regarding the loan request and the ap plicant's background are
Draw a use case diagram for the situation described in Problem and Exercise 9.Problem and Exercise 9Starting with a context diagram, draw as many nested DFDs as you consider necessary to represent
Draw a use case diagram for the situation described in Problem and Exercise 10.Problem and Exercise 10Starting with a context diagram, draw as many nested DFDs as you consider necessary to represent
Draw a use case diagram for the situation described in Problem and Exercise 11.Problem and Exercise 11Develop a context diagram and level-0 diagram for the hospital pharmacy system described in the
Draw a use case diagram for the situation described in Problem and Exercise 12.Problem and Exercise 12Develop a context diagram and a level-0 diagram for the contracting system described in the
Draw a use case diagram for the situation described in Problem and Exercise 13.Problem and Exercise 13Develop a context diagram and as many nested DFDs as you consider necessary to represent all
Draw an activity diagram for the following employee hiring process. Projects, Inc., is an engineering firm with approximately 500 engineers in different specialties. New employees are hired by the
See Problem and Exercise 12 in Appendix 7A. One of the use cases for the auto rental system in this exercise is "Car reservation." Draw a sequence diagram, in instance form, to describe the sequence
Assume that at PVF, each product (described by Product No., Description, and Cost) is composed of at least three components (described by Component No., Description, and Unit of Measure), and
Each semester, each student must be assigned an adviser who counsels students about degree requirements and helps stu- dents register for classes. Students must register for classes with the help of
Consider the E-R diagram in Figure 8-15b.a. What would be the identifier for the CERTIFICATE associative entity if Certificate Number were not included?b. Now assume that the same employee may take
Find out what database management systems are available at your university for student use. Investigate which data types these DBMSS support. Compare these DBMSS based on the data types supported and
Contrast the following terms.a. File server, client/server architecture, local area network. (LAN)b. Hypertext Markup Language (HTML), Hypertext Trans- fer Protocol (HTTP), domain naming system
Summarize the six possible architectures for client/server systems.
Why do many commercial websites have both operational and informational systems?
Briefly describe and contrast the components of a two-tier versus a three-tier data warehouse.
What is a data mart and why do some organizations use it to support organizational decision making?
Develop a table that summarizes the comparative capabili ties of the six client/server architectures. You might start with Table 12-1 for some ideas.Table 12-1 TABLE 12-1 Several Differences between
Suppose you are responsible for the design of a new order entry and sales analysis system for a national chain of auto part stores. Each store has a PC that supports office func tions. The company
An extension of the three-tiered client/server architec- ture is the -tiered architecture, in which there are many specialized application servers. Extend the reasons for the three-tiered
Obtain access to a typical PC DBMS, such as Microsoft Access. What steps do you have to follow to link an Access database to a database on a server? Do any of these steps change depending on the DBMS
There is a movement toward wireless mobile computing using thin-client technology. Go to the Web and visit some of the ma jor computer vendors that are producing thin-client products such as handheld
Building on the research conducted in Problem and Exercise 9, what challenges does each device present for designers when delivering an electronic commerce application? Are some devices more suitable
Data warehousing is an important part of most large-scale commercial electronic commerce sites. Assume you are an executive with a leading company like Amazon.com; develop. a list of questions that
Scan the literature and determine the various LAN oper- ating systems available. Describe the relative strengths and weaknesses of these systems. Do these systems seem to be adequate for distributed
Examine the capabilities of a client/server API environ- ment. List and describe the types of client-based operations that you can perform with the API. List and describe the types of server-based
Explain the code-testing process.
What is self-training?
What is e-learning?
How are CASE tools used in the maintenance of information systems?
How has systems analysis and design changed over the past four decades?
What is RAD?
What is object-oriented analysis and design?
How might prototyping be used as part of the SDLC?
Compare Figures 1-2 and 1-12. How do they differ? How are they similar? Explain how Figure 1-12 conveys the idea of speed in development.Figures 1-2Figures 1-12 Maintenance Planning Implementation

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