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software testing and quality assurance

Questions and Answers of Software Testing And Quality Assurance

=+e. An activity specified by your instructor.
=+8.10. What do use case "exceptions" represent?
=+8.11. Write a user story for one of the activities listed in question 8.9.
=+8.12. Consider the use case you created in question 8.9, write a nonfunctional requirement for the application.
=+8.13. Describe what an analysis pattern is in your own words.
=+8.14. Using the template presented in Section 8.5.2, suggest one or more analysis pattern for the following application domains:a. Accounting software.b. E-mail software.c. Internet browsers
=+d. Word-processing software.e. Website creation software.
=+1. An application domain specified by your instructor.
=+8.15. What does win-win mean in the context of negotiation during the requirements engi-neering activity?
=+8.16. What do you think happens when requirement validation uncovers an error? Who is involved in correcting the error?
=+8.17. What five tasks make up a comprehensive requirements monitoring program?
=+Can the actor take some other action at this point?
=+Is it possible that the actor will encounter some error condition at this.
=+point? If so, what might it be?
=+Is it possible that the actor will encounter some other behavior at this point(e.g ., behavior that is invoked by some event outside the actor's control)? If so, what might it be?
=+. Are there cases in which some "validation function" occurs during this use case?
=+ This implies that validation function is invoked and a potential error condition might occur.
=+. Are there cases in which a supporting function (or actor) will fail to re-spond appropriately? For example, a user action awaits a response but the function that is to respond times out..
=+Can poor system performance result in unexpected or improper user ac-tions? For example, a Web-based interface responds too slowly, resulting in a user making multiple selects on a processing
=+1.What mechanisms protect unauthorized use of this capability by employees of SafeHome Products?
=+2.Is security sufficient? Hacking into this feature would represent a major invasion of privacy.
=+3. Will system response via the Internet be accept-able given the bandwidth required for camera views?
=+4. Will we develop a capability to provide video at a higher frames-per-second rate when high-
=+bandwidth connections are available?
=+9.1. Is it possible to begin coding immediately after a requirements modelhas been created?
=+Explain your answer and then argue the counterpoint.
=+9.2. An analysis rule of thumb is that the model "should focus on requirements that are
=+visible within the problem or business domain. "What types of requirements are not visible in these domains? Provide a few examples
=+9.3. What is the purpose of domain analysis? How is it related to the concept of require-ments patterns?
=+9.4. Is it possible to develop an effective analysis model without developing all four ele-ments shown in Figure 9.3? Explain.
=+9.5. The department of public works for a large city has decided to develop a Web-based pothole tracking and repair system (PHTRS). A description follows:Citizens can log onto a website and report
=+potholes are reported they are logged within a "public works department repair system" and are assigned an identifying number, stored by street address, size (on a scale of 1 to 10), location
=+dress), and repair priority (determined from the size of the pothole). Work order data are associated with each pothole and include pothole location and size, repair crew identifying number, number
=+amount of filler material used, and cost of repair (computed from hours applied, number of people, material and equipment used). Finally, a damage file is created to hold information about reported
=+Draw a UML use case diagram PHTRS system. You'llhave to make a number of assumptions about the manner in which a user interacts with this system.
=+9.6. Write two or three use cases that describe the roles of various actors in the PHTRS described in Problem 9.5.
=+9.7. Develop an activity diagram for one aspect of PHTRS.
=+9.8. Develop a swimlane diagram for one or more aspects of PHTRS.
=+10.1. You have been asked to build one of the following systems:
=+a. A network-based course registration system for your university.
=+b. A Web-based order-processing system for a computer store.
=+c. A simple invoicing system for a small business.
=+d. An Internet-based cookbook that is built into an electric range or microwave
=+Select the system that is ofinterest to you and develop a processing narrative. Then use the grammatical parsing technique to identify candidate objects and classes.
=+10.2. Develop a set of operations that are used within the classes identified in Problem 10.1.
=+10.3. Develop a class model for the PHTRS system present in Problem 9.5.
=+10.4. Write a template-based use case for the SafeHome home management system
=+described informally in the sidebar following Section 10.4.
=+10.5. Develop a complete set of CRC model index cards on the product or system you chose as part of Problem 10.1.
=+10.6. Conduct a review of the CRC index cards with your colleagues. How many additional classes, responsibilities, and collaborators were added as a consequence of the review?
=+10.7. What is an analysis package and how might it be used?
=+Q1:What output video resolution is provided by SafeHome cameras?
=+What occurs if an alarm condition is encountered while the cam-Q2:era is being monitored?
=+How does the system handle cameras that can be panned and Q3 zoomed?
=+What information should be provided along with the camera view?Q4:
=+(For example, location? time/date? last previous access?)
=+Should certain elements be easier to reach (require fewer navigation
=+steps) than others? What is the priority for presentation?
=+Should certain elements be emphasized to force users to navigate in their direction?
=+How should navigation errors be handled?
=+Should navigation to related groups of elements be given priority over navigation to a specific element?
=+Should navigation be accomplished via links, via search-based access, or by some other means?
=+Should certain elements be presented to users based on the context of previous navigation actions?
=+Should a navigation log be maintained for users?
=+Should a full navigation map or menu (as opposed to a single "back" link
=+or directed pointer) be available at every point in a user's interaction?
=+Should navigation design be driven by the most commonly expected
=+user behaviors or by the perceived importance of the defined WebApp elements?
=+Can a user "store" his previous navigation through the WebApp to expe-dite future usage?
=+For which user category should optimal navigation be designed?
=+How should links external to the WebApp be handled? Overlaying the
=+existing browser window? As a new browser window? As a separate frame?
=+11.1. There are two different types of "states" that behavioral models can represent. What are they?
=+11.2. How does a sequence diagram differ from a state diagram?
=+ How are they similar?
=+11.3. Suggest three requirements patterns for a modern mobile phone and write a brief description of each. Could these patterns be used for other devices? Provide an example.
=+11.4. Select one of the patterns you developed in Problem 11.3 and develop a reason-
=+ably complete pattern description similar in content and style to the one presented in Section 11.4.2.
=+11.5. How much analysis modeling do you think would be required for www.safehomeassured.com?
=+Would each of the model types described in Section 11.5.3 be required?
=+11.6. What is the purpose of the interaction model for a WebApp?
=+11.7. It could be argued that a WebApp functional model should be delayed until design.Present pros and cons for this argument.
=+11.8. What is the purpose of a configuration model?
=+11.9. How does the navigation model differ from the interaction model?
=+1. Examine the information domain Evaluate and select design patterns for a design model and design appropriate data
=+class or a subsystem.structures for data objects and their Review design classes and revise as required.attributes.
=+5. Design any interface required with external systems
=+2. Using the andysis model, select an architectural or devices.style (pattern) that is appropriate for the software.
=+6. Design the user interface:
=+3. Partition the analysis model into design subsystems Review results of task analysis.and allocate these subsystems within the architecture:
=+Specify action sequence based on user scenarios.Be certain that each subsystem is functionally
=+Create behavioral model of the interface.cohesive.
=+Define interface objects, control mechanisms.
=+Design subsystem interfaces.
=+Review the interface design and revise as
=+Allocate analysis classes or functions to each required.subsystem.7. Conduct component-level design.
=+4.Create a set of design classes or components:
=+Specify all algorithms at a relatively low level of Translate analysis class description into a design abstraction.class.
=+Refine the interface of each component.Check each design class against design criteria;
=+Define component-level data structures.consider inheritance issues.

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