软件工程总结_软件工程的总结
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1.Software is a product and can be manufactured using the same technologies used for other engineering artifacts Answer: b 2.WebApps are a mixture of print publishing and software development, making their development outside the realm of software engineering practice.Answer: b 3.Software engineering umbrella activities are only applied during the initial phases of software development projects.Answer: b 4.Planning ahead for software reuse reduces the cost and increases the value of the systems into which they are incorporated.Answer: a 5.The eence of software engineering practice might be described as understand the problem, plan a solution, carry out the plan, and examine the result for accuracy.Answer: a 6.In agile proce models the only deliverable work product is the working program.Answer: b 7.A most software development projects are initiated to try to meet some busine need.Answer: a 8.In general software only succeeds if its behavior is consistent with the objectives of its designers.Answer: b 9.Software procees can be constructed out of pre-existing software patterns to best meet the needs of a software project.Answer: a 10.Proce technology tools allow software organizations to compre schedules by skipping unimportant activities.Answer: b 11.It is generally accepted that one cannot have weak software procees and create high quality end products.Answer: a 1.Requirements engineering is a generic proce that does not vary from one software project to another.Answer: a 2.A stakeholder is anyone who will purchase the completed software system under development.Answer: b 3.It is relatively common for different customers to propose conflicting requirements, each arguing that his or her version is the right one.Answer: a 4.Developers and customers create use-cases to help the software team understand how different claes of end-users will use functions.Answer: a 5.Use-case actors are always people, never system devices.Answer: b 6.Analysis patterns facilitate the transformation of the analysis model into a design model by suggesting reliable solutions to common problems.Answer: a 7.In win-win negotiation, the customer’s needs are met even though the developer’s need may not be.Answer: b 8.In requirements validation the requirements model is reviewed to ensure its technical feasibility.Answer: b
1.Object-oriented domain analysis is concerned with the identification and specification of reusable capabilities within an application domain.Answer: a 2.In structured analysis models focus on the structure of the claes defined for a system along with their interactions.Answer: b 3.Creation and refinement of use cases if an important part of scenario-based modeling.Answer: a 4.It is important to consider alternative actor interactions when creating a preliminary use case.Answer: b 5.Brainstorming is one technique that may be used to derive a complete set of use case exceptions.Answer: a 6.In many cases there is no need to create a graphical representation of a usage scenario.Answer: a 7.One or more attributes of a data object must be defined as a key to allow the location of an instance of the data object.Answer: a 8.Attributes are chosen for an object by examining the problem statement and identifying the entities that appear to be related.Answer: b 9.An analysis package involves the categorization of analysis model elements into useful groupings.Answer: a 10.The data flow diagram must be augmented by min-spec that can serve as a guide the design of the software component that will implement the proce.Answer: a 11.The UML sequence diagram show the order in which system events are proceed.Answer: b 12.Analysis patterns are discovered, they are not explicitly created.Answer: a 13.It is not poible to justify the time required for WebApp requirements analysis.Answer: b 14.UML activity diagrams can be used to represent the user observable functionality delivered by the WebApp as well as the operations contained in each analysis cla.Answer: a 15.Configuration analysis focuses on the architecture of the user’s web browsing environment.Answer: b 16.Content objects are extracted from use cases by examining the scenario description for direct or indirect content references.Answer: a 1.With thorough testing it is poible to remove all defects from a program prior to delivery to the customer.Answer: b 2.Program flow graphs are identical to program flowcharts.Answer: b 3.The cyclomatic complexity of a program can be computed directly from a PDL representation of an algorithm without drawing a program flow graph.Answer: a 4.Graph-based testing methods can only be used for object-oriented systems Answer: b 5.Equivalence testing divides the input domain into claes of data from which test cases can be derived to reduce the total number of test cases that must be developed.Answer: a 6.Boundary value analysis can only be used to do white-box testing.Answer: b 7.Orthogonal array testing enables the test designer to maximize the coverage of the test cases devised for relatively small input domains.Answer: a 8.Client/server architectures cannot be properly tested because network load is highly variable.Answer: b 1.The best representation of system architecture is an operational software prototype.Answer: b 2.The architectural representations can be an enabler for communication among project stakeholders.Answer: a 3.An architectural description is often documented using an architecture template.Answer: b 4.An architectural genre will often dictate the architectural approach that may used for the structure to be built.Answer: a 5.Before an architectural pattern can be chosen for use in a specific system it must have a code implementation to facilitate its reuse.Answer: b 6.Once selected, archetypes always need to be refined further as architectural design proceeds.Answer: a 7.Quantitative methods for aeing the quality of proposed architectural designs are readily available.Answer: b
Chapter 10 Self-Check Quiz
1.In the most general sense a component is a modular building block for computer software.a.True b.False
Answer: a(Section 10.1)
2.In the context of object-oriented software engineering a component contains
a.attributes and operations b.instances of each cla c.roles for each actor(device or user)d.set of collaborating claes
Answer: d(Section 10.1.1)
3.In traditional software engineering modules must serve in which of the following roles?
a.Control component b.Infrastructure component c.Problem domain component d.All of the above
Answer: d(Section 10.1.2)
4.Software engineers always need to cerate components from scratch in order to meet customer expectations fully.a.True b.False
Answer: b(Section 10.1.3)
5.Which of the following is not one of the four principles used to guide component-level design?
a.Dependency Inversion Principle b.Interface Segregation Principle c.Open-Closed Principle d.Parsimonious Complexity Principle
Answer: d(Section 10.2.1)
6.The use of stereotypes can help identify the nature of components at the detailed design level.a.True b.False
Answer: a(Section 10.2.2)
7.Claes and components that exhibit functional, layer, or communicational cohesion are relatively easy to implement, test, and maintain.a.True b.False
Answer: a(Section 10.2.3)
8.Software coupling is a sign of poor architectural design and can always be avoided in every system.a.True b.False
Answer: b(Section 10.2.4)
9.WebApp content design at the component level focuses on content objects and the manner in which they interact.a.True b.False
Answer: b(Section 10.4.1)
10.A WebApp functional architecture describes the key functional components and how they interact with each other.a.True b.False
Answer: a(Section 10.4.2)
11.Which of these is a graphical notation for depicting procedural detail?
a.box diagram b.decision table c.ER diagram d.flowchart
Answer: d(Section 10.5.1)
12.A decision table should be used
a.to document all conditional statements b.to guide the development of the project management plan c.only when building an expert system d.when a complex set of conditions and actions appears in a component
Answer: d(Section 10.5.2)
13.A program design language(PDL)is often a
a.combination of programming constructs and narrative text b.legitimate programming language in its own right c.machine readable software development language d.useful way to represent software architecture
Answer: a(Section 10.5.3)
14.In component-based software engineering, the development team examines the requirements to see which are amenable to composition, rather than construction, before beginning detailed design tasks.a.True b.False
Answer: a(Section 10.6)
15.Which of the following is not one of the major activities of domain engineering?
a.analysis b.construction c.diemination d.validation
Answer: d(Section 10.6.1)
16.Which of the following factors would not be considered during component qualification?
a.application programming interface(API)b.development and integration tools required c.exception handling d.testing equipment required
Answer: d(Section 10.6.2)
17.Which is the following is a technique used for component wrapping?
a.black-box wrapping b.clear-box wrapping c.gray-box wrapping d.white-box wrapping
Answer: b(Section 10.6.2)
18.Which of the following is not one of the iues that form a basis for design for reuse?
a.object-oriented programming b.program templates c.standard data d.standard interface protocols
Answer: a(Section 10.6.3)
19.In a reuse environment, library queries are often characterized using the ________ element of the 3C Model.a.concept b.content c.context d.all of the above
Answer: c(Section 10.6.4)
1.The importance of software design can be summarized in a single word a.b.c.d.Answer: d(Section 8.1)
2.Which of the following is not a characteristic common to all design methods?
a.configuration management b.functional component representation c.quality aement guidelines d.refinement heuristics
Answer: a(Section 8.2.2)
3.Which of the following can be used to represent the architectural design of a piece of software?
a.Dynamic models b.Functional models c.Structural models d.All of the above
Answer: d(Section 8.3.2)
4.Design patterns are not applicable to the design of object-oriented software?
a.True b.False
Answer: b(Section 8.3.3)
5.Since modularity is an important design goal it is not poible to have too many modules in a proposed design.a.True b.False
Answer: b(Section 8.3.5)
6.Information hiding makes program maintenance easier by hiding data and procedure from unaffected parts of the program.accuracy complexity efficiency quality
a.True b.False
Answer: a(Section 8.3.6)
7.Cohesion is a qualitative indication of the degree to which a module
a.can be written more compactly.b.focuses on just one thing.c.is able to complete its function in a timely manner.d.is connected to other modules and the outside world.Answer: b(Section 8.3.7)
8.Coupling is a qualitative indication of the degree to which a module
a.can be written more compactly.b.focuses on just one thing.c.is able to complete its function in a timely manner.d.is connected to other modules and the outside world.Answer: d(Section 8.3.7)
9.When using structured design methodologies the proce of stepwise refinement is unneceary.a.True b.False
Answer: b(Section 8.3.8)
10.Software designs are refactored to allow the creation of software that is easier to integrate, easier to test, and easier to maintain.a.True b.False
Answer: a(Section 8.3.10)
11.Which of the following is not one of the five design cla types
a.Busine domain claes b.Entity claes c.Proce claes d.User interface claes
Answer: b(Section 8.3.13)
12.Which design model elements are used to depict a model of information represented from the user’s view?
a.Architectural design elements b.Component-level design elements c.Data design elements d.Interface design elements
Answer: c(Section 8.4.1)
13.Which design is equivalent to the floor plan of a house?
a.Architectural design b.Component-level design c.Data design d.Interface design
Answer: a(Section 8.4.2)
14.Which design model is equivalent to the detailed drawings of the acce points and external utilities for a house?
a.Architectural design b.Component-level design c.Data design d.Interface design
Answer: d(Section 8.4.3)
15.Which design model is equivalent to a set of detailed drawings for each room in a house?
a.Architectural design b.Component-level design c.Data design d.Interface design
Answer: b(Section 8.4.4)
16.The deployment design elements specify the build order for the software components.a.True b.False
Answer: b(Section 8.4.5)
