05 Feb Extend and Include

CIS339 Object-Oriented Analysis and Design WEEK 1 Quiz Question 1 (TCO 1) In the Unified Process (UP) methodology, Testing activities occurs during the _____ phases. Inception Elaboration Construction All of the Above None of the Above Question 2 (TCO 1) The four phases of the Systems Development Life Cycle are _____. analysis, gathering, modeling, and diagramming construction, installation, testing, and converting designing, charting, formatting, and structuring planning, analysis, design, and implementation system request, feasibility, planning, and staffing Question 3 (TCO 1) Important guiding principle of requirements analysis include: do not rush into creating models for the problem use the above-listed principles to formulate the problem’s requirements use good requirements discovery techniques as your foundation All of the above None of the above Question 4 (TCO 1) In which phase of the SDLC is the project plan developed? Analysis Design Implementation Planning Reconstruction Question 5 (TCO 1) Use Cases Diagrams and Descriptions are developed in which phase of the SDLC? Analysis Design Implementation Planning System delivery Question 6 (TCO 1) Interfaces (e.g., user interface design, database design, program design, and method specification) are specified during the _____ phase of the SDLC. analysis design implementation planning system delivery Question 7 (TCO 1) UML unification is not just historical in scope, UML attempts (and largely succeeds) in being unified across several different domains. Development life cycle Application domains Implementation languages and platforms Development processes All of the Above Question 8 (TCO 1) A software engineering process (SEP), also known as a software development process, defines the ______ of developing software. who, what, when and how why, what and when why, what and how None of the above Question 9 (TCO 1 Requirements engineering is a term used to describe the activities involved in: eliciting, documenting, maintaining a set of requirements for a software system discovering what the stakeholders need the system to do for them. All of the above None of the above Question 10 (TCO 1) We can define a requirement as “a specification of what should be implemented”. There are basically two types of requirements: functional requirements – what behavior the system should offer; non-functional requirements – a specific property or constraint on the system. All of the above None of the above CIS339 Object-Oriented Analysis and Design WEEK 2 Quiz Question 1 (TCO 2) A use case include relationship represents _____. how a use case optionally include another use case an extra functional modeling of the use that is optional an integral part of the base use case how a use case inherits from another use case Question 2 (TCO 2) The flow of events in a use case description should include _____. actor, trigger, and use case relationships action nodes, flows, and object nodes include, extend, and sub flows main flow and alternate flows, Question 3 (TCO 2) A use case extend relationship represents _____. how the use case extends an actor an extra functional modeling of the use case that is optional a mandatory functionality of the use case how a use case inherits from another use case Question 4 (TCO 2) Jim has documented a functionality of a system as “to compute gross pay by multiplying the hours worked that are recorded on the time card from the time clock by the hourly rate that is recorded in the employee master file from the database.” This is an example of a(n) _____ . a possible system requirement an alternate flow of a use case a post condition of a use case use case Question 5 (TCO 2) The entity that specifies a role that some external entity adopts when interacting with your system is called a(n) _____. action actor hammer anvil Question 6 (TCO 2) The correct sequence of the major steps in creating use case diagrams is _____. find a candidate system boundary, find the actors, find the use cases. find the actors, find a candidate system boundary, find the use cases. find the use cases, find a candidate system boundary, find the actors. sequence does not matter. Question 7 (TCO 2) In an activity diagram, the action node represents _____. a simple, decomposable piece of behavior the data stored as an object discrete and atomic unit of work the control flow between processes Question 8 (TCO 2) In a use case description, the Alternate Flow section contains _____. logic that is rarely executed alternative paths that capture errors, branches, and interrupts to the main flow logic from a separate use case the starting logic in the use case Question 9 (TCO 2) The primary actor in a use case description is _____. the trigger of the use case, and the trigger type is internal the trigger of the use case, and the trigger type is external triggered by the use case, and the trigger type is internal triggered by the use case, and the trigger type is abstract Question 10 (TCO 2) Using Time as an actor is helpful to show _____. how long the Use Case takes to execute when you require the Use Case to be triggered at a specific point in time how long the interval is between Use Case executions. the development time for the Use Case. CIS339 Object-Oriented Analysis and Design WEEK 3 Quiz Question 1 (TCO 3) Which of the following is most likely not an example of an attribute? Employee name Customer address Stock number ISBN Cancel appointment Question 2 Which of the following is NOT a characteristic of attribute instance scope? by default, attributes have instance scope every object of the class gets its own copy of the instance scope attributes each object may therefore have different instance scope attribute values each object will therefore have the same class scope attribute values Question 3 (TCO 3) Polymorphism means many forms many shapes many types many attributes many vales Question 4 (TCO 3) What is NOT part of the Association syntax? an association name role names object name multiplicity navigability Question 5 (TCO 3) Objects of the same class have: the same operations and attributes the same attributes and different operations the same operations and different attributes the same operations and attributes with the same values the same attributes and different operation signatures Question 6 (TCO 3) Which of the following would NOT be an appropriate class name? Student Patient John Customer Doctor Question 7 (TCO 3) Which of the following does not make a good analysis class? its name reflects its intent it is crisp and models one specific element has well define responsibilities it has high cohesion it has high coupling Question 8 (TCO 3) Generalization is a relationship between: many general things a more general thing and a more specific thing many specific things a more general things and a less specific thing Question 9 (TCO 3) An example of a boundary classes would be: user internal system interface web form database executable program Question 10 (TCO 3) Class relationships’ multiplicity in a UML class diagram documents _____. how many inherited classes can be created from a given class a concise way to express certain business constraints relating to the “number of things” participating in a relationship how many classes should be in one class diagram how to create objects from multiple classes how to create objects from abstract classes CIS339 Object-Oriented Analysis and Design WEEK 4 Quiz Question 1 (TCO 4, 5, 8) The two types of interaction diagrams are _____ diagrams. use case and sequence class and sequence sequence and communication object and communication Question 2 (TCO 4, 5, 8) A(n) _____ describes information about an object. attribute behavior operation instance Question 3 (TCO 4, 5, 8) _____ are information sent to objects to tell them to execute one of their behaviors. Attributes Operations Messages Instances Question 4 (TCO 4, 5, 8) Which of the following objects is most likely to be destroyed at some point in time in a sequence diagram? Customer Order Item Invoice Question 5 (TCO 4, 5, 8) The order of messages on a sequence diagram goes from _____. right to left bottom to top left to right top to bottom Question 6 (TCO 4, 5, 8) In UML behavioral modeling, a message is _____. a named location in memory where information is deposited and retrieved a data structure to hold information a function or procedure call from one object to another object a relationship between two objects Question 7 (TCO 4, 5, 8) In a communication diagram, a(n) _____ between actors and objects is shown with an undirected line. procedure call data flow link message Question 8 (TCO 4, 5, 8) The time ordering of messages is represented by the _____. communication diagram object diagram use case diagram sequence diagram Question 9 (TCO 4, 5, 8) Which of the following are valid event types? call event signal event change event All of these Question 10 (TCO 4, 5, 8) The life of a lifeline is indicated by its _____ on the sequence diagram. vertical position horizontal position vertical length width CIS339 Object-Oriented Analysis and Design WEEK 5 Quiz Question 1 (TCO 6) Object-oriented design (OOD) is the phase in which the functional, structural, and behavioral analysis models are transformed into the ________ for the software implementation. project plan technical specifications blueprints user requirements Question 2 (TCO 6) What are the two possible stereotypes allowed for package: framework and private modelLibrary and protected framework and modelLibrary framework and protected Question 3 (TCO 6) Packages may be nested inside other packages to any depth. However, just ________ levels of nesting are generally enough. Much more than this, and the model may become difficult to understand and navigate. one or two two or three three or four four or more Question 4 (TCO 6) Transitivity is a term that applies to relationships. It means that if there is a relationship between thing A and thing B and a relationship between thing B and thing C, then thing A and thing C maybe related thing A and thing C may not be related there is an explicit relationship between thing A and thing C there is an implicit relationship between thing A and thing C Question 5 (TCO 6) Which of the following is NOT true for package ownership? the packages form a hierarchy; the root package may be stereotyped «lowerLevel»; by default, model elements are placed in the «topLevel» package. Every model element is owned by one package Question 6 (TCO 6) There is a different take on the number of layers and on their definitions.: According to Microsoft Certified Solution Developer Solutions Architecture exam, what is NOT a valid architectural layer? Presentation – includes all the forms that collect only input and display output. Application (or business) logic layer – contains all the algorithmic processing that transforms your input into output. Data layer – contains all the services necessary to connect to, and interact with, your data stores. Security layer – includes all the necessary controls to protect the digital assets of the organization Question 7 (TCO 6) Preliminary or architectural design is the activity that begins the transition from the analysis, or business domain, to the _______ domain. problem interface solution conversion Question 8 (TCO 6) When deciding on the package architecture, the Common Closure Principle states that packages that need changing for a similar reason should be packaged together. any conformity similar architectural Question 9 (TCO 6) In moving from analysis to design, CRC cards map to: package, subsystem, contract, constraint and method design class and object design contract and constraint design package and subsystem design Question 10 (TCO 6) If you perform the packaging correctly, you will greatly reduce the complexity of the construction and long-term maintenance activities. increase the development time decrease the development time decrease the implementation time CIS339 Object-Oriented Analysis and Design WEEK 6 Quiz Question 1 (TCO 6) Even if you skipped all the requirements analysis steps, the two steps guaranteed to be completed in any software development are policy and procedure development use case activity diagram testing method design and coding data conversion and user training Question 2 (TCO 6) An analysis view may only have between ___ and ___ of the classes that are in the detailed design 1% and 5% 1% and 10% 10% and 20% 20% and 30% Question 3 (TCO 6) Analysis view are invaluable for: introducing new people to the project; understanding the system months or years after delivery; understanding how the system satisfies user requirements; All of these None of these Question 4 (TCO 6) Analysis is about modeling ___ the system should do. Design is about modeling ___ that behavior may be implemented. what; how how; what how; how what; what Question 5 (TCO 6) The minimal characteristics that a design class must have to be considered well-formed are: complete and sufficient; primitive and high cohesion; low coupling. All of these None of these Question 6 (TCO 6) With interface realization you get: an interface – a set of public operations, attributes and relationships that have no implementation. interface – the public operations of the base classes; implementation – the attributes, relationships, protected and private operations of the base classes. All of these None of these Question 7 (TCO 6) Nested classes allow: you define a class inside another class; the nested class exists in the namespace of the outer class – only the outer class can create and use instances of the nested class; nested classes are known as inner classes in Java, and are used extensively for event handling in GUI classes. All of these None of these Question 8 (TCO 6) Some excellent advice on minimizing connascence includes: Minimize overall connascence by breaking the system into encapsulated elements. Minimize any remaining communication that crosses encapsulation boundaries. Maximize connascence within encapsulation boundaries. All of these None of these Question 9 (TCO 6) Cohesion is one of the most desirable features of a(n) _____. inheritance method object class Question 10 (TCO 6) The system architecture is compromise when coupling is between ________. interactions objects data subsystems CIS339 Object-Oriented Analysis and Design WEEK 7 Quiz Question 1 (TCO 7) Implementation is about transforming a design model into __________. executable code user procedures policies and procedures test scripts Question 2 (TCO 7) Artifacts – represent the specifications of real-world things such as: source files design documents test data test results Question 3 (TCO 7) The ________ maps the software architecture created in design to a physical system architecture that executes it. architectural diagram sequence diagram deployment diagram state chart diagram Question 4 (TCO 7) The construction of the deployment diagram is a two-step process. In the implementation workflow, the main focus is on: assigning artifact instances to node instances (instance form), or artifacts to nodes (descriptor form) node or node instances and connections software to hardware routers to networks Question 5 (TCO 7) Which of the following in NOT why the construction phase is important: a large part of the software development the central activity in software development the individual programmer’s productivity can improve enormously Construction’s product, the user training, is often the only accurate description of the software project. Question 6 (TCO 7) Which of the following is NOT a way data and information hiding and encapsulation improves construction and maintenance? Data type changes isolate the change to a single class, and the entire program is not affected. Adding additional details is isolated to a single class. Programming to an interface makes the code more logical. Coupling is increased Question 7 (TCO 7) Which of the following is NOT a self-documenting code technique meaning that the programmer uses program structure and easily understood programming techniques, such as good: color coding constants routine names variable names Question 8 (TCO 7) According to McConnell (2004), what is NOT a way comments can be broken down into the following categories. Marker in the code Summary of the code Description of the programmer’s intent Repeat of the code Question 9 (TCO 7) In information systems development, quality is driven by more by _____ than it is by program construction. good requirements analysis and design program coding program testing system testing Question 10 (TCO 7) The pseudocode generated in the method design can be used for actual coding of the method can be used as comments in the code cannot be reused during the programming activity cannot be used for user training. CIS339 Object-Oriented Analysis and Design WEEK 8 Final Exam Question 1 (TCO 1) UML unification is not just historical in scope, UML attempts (and largely succeeds) in being unified across several different domains. Development life cycle Application domains Implementation languages and platforms Development processes All of the Above Question 2 (TCO 1) Requirements engineering is a term used to describe the activities involved in: eliciting, documenting, maintaining a set of requirements for a software system discovering what the stakeholders need the system to do for them. All of the above None of the above Question 3 (TCO 2) If a use case becomes too complex, it should be _____. rewritten to simplify it decompose into alternative flows written with a series of repeating steps to simplify it written from the perspective of an independent observer to simplify it Question 4 (TCO 2) In writing Use Cases, the analyst should _______. keep Use Cases short and simple. focus on the how and not the what. promote functional decomposition. focus on the what and not the how. Question 5 (TCO 3) CRCs are created by performing a textual analysis of _____. collaboration and responsibility cards object lists use case diagrams use case descriptions Question 6 (TCO 3) Which of the following does not make a good analysis class? its name reflects its intent it is crisp and models one specific element has well define responsibilities it has high cohesion it has high coupling Question 7 (TCO 4, 5, 8) Which of the following are valid event types? call event signal event change event All of these Question 8 (TCO 4, 5, 8) There are many different types of interaction diagram, each of which emphasizes a different aspect of the interaction. Sequence diagrams – these emphasize the time-ordered sequence of message sends between lifelines. Communication diagrams – these emphasize the structural relationships between objects and are very useful in analysis. Interaction overview diagrams – these show how complex behavior is realized by a set of simpler interactions. All of these Question 9 (TCO 4, 5, 8) In a communication diagram, a(n) _____ between actors and objects is shown with an undirected line. procedure call data flow link message Question 10 (TCO 4, 5, 8) The life of a lifeline is indicated by its _____ on the sequence diagram. vertical position horizontal position vertical length width Question 11 (TCO 4, 5, 8) An analyst depicts the dynamic view of an information system with _____. use case models structural models interaction models None of these Question 12 (TCO 6) After a set of candidate packages has been identified, you should then attempt to minimize the public members of the packages and the dependencies between the packages by: moving classes between packages renaming packages removing packages. adding more packages Question 13 (TCO 6) There is a different take on the number of layers and on their definitions.: According to Microsoft Certified Solution Developer Solutions Architecture exam, what is NOT a valid architectural layer? Presentation – includes all the forms that collect only input and display output. Application (or business) logic layer – contains all the algorithmic processing that transforms your input into output. Data layer – contains all the services necessary to connect to, and interact with, your data stores. Security layer – includes all the necessary controls to protect the digital assets of the organization Question 14 (TCO 6) Cohesion means that each class should model a ______ and should have a __________ that support the intent of the class. single method; set of properties set of method; single property single object; name single abstract concept; set of operations Question 15 (TCO 6) Inheritance has certain undesirable characteristics. It is the strongest form of coupling possible between two or more classes. Encapsulation is weak within a class hierarchy. It is a very inflexible type of relationship. All of these None of these Question 16 (TCO 6) Some excellent advice on minimizing connascence includes: Minimize overall connascence by breaking the system into encapsulated elements. Minimize any remaining communication that crosses encapsulation boundaries. Maximize connascence within encapsulation boundaries. All of these None of these Question 17 (TCO 7) There are cases where an explicit implementation modeling activity, performed by trained OO analyst/designers, might be very important. If you intend to generate code directly from the model and if you are doing component based development (CBD) to reuse components. If you are considered a packaged solution from a software vendor. If you are re-developing an existing application for security reasons. If the project is not based on OO principles Question 18 (TCO 7) Which of the following is NOT a way data and information hiding and encapsulation improves construction and maintenance? Data type changes isolate the change to a single class, and the entire program is not affected. Adding additional details is isolated to a single class. Programming to an interface makes the code more logical. Coupling is increased Question 19 (TCO 7) A node represents a type of: database instance computational resource database tables network router Question 20 (TCO 7) The deployment diagram brings ________, _______ and ______ together to specify the physical architecture of the system components, artifacts and nodes hardware, software and nodes components, software and nodes hardware, software and artifacts Question 21 (TCO 1) Briefly summarize the purpose of the design phase in SDLC. Explain why it exists and what it contributes to the completion of the system. Question 22 (TCO 1) What are the three axioms of UP? Question 23 (TCO 4) What is a sequence diagram used for? How do you read it? If a client sends a message to an architect object, called Get_Estimate(), which class would the Get_Estimate method be written in? Question 24 (TCO 2) Distinguish between the Extend and Include relationships in use case diagrams. What does INCLUDE: VALIDATE CREDIT CARD mean in a use case description named PROCESS SALE? Show how to use it in the use case description normal flow section. Question 25 (TCO 3) Define a structural model. Why should a systems analyst create one? What is class cohesion? Give an example of class cohesion. In your example, discuss attributes and operations. Question 26 (TCO 3) Define the following terms: class, attribute, and operation. Give examples of each in a class. Question 27 (TCO 5) In a communication diagram, a teacher object and course object are connected with a line. Above the line it states “CourseAttendance()” and it points to the course object from the teacher object. Another message on the line is “UpdateCreditHrsTaught()” and it points from the course object to the teacher object. Explain what this information means. Include in your answer which object is sending the messages to which object and which objects contain the methods. Question 28 (TCO 6) Explain the concept of polymorphism. Give an example. Question 29 (TCO 7) Explain what is meant by the implementation model. Question 30 (TCO 8) Give an explanation and an example of an object that would be an excellent candidate to diagram in an object state diagram besides the ones in your course project or text. Give an explanation and example of an object that would be a poor candidate to diagram in an object state diagram. Justify your answers.

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