421 Review Questions

1
421 Review Questions

1. Does software engineering add documentation that
   slows down the project?
2. Is there one software process that is better than
   the others for different software types
   (engineering software, application software,
   etc)?
3. What are 3 reasons software projects fail?
4. Is there ever a reason not to add a new feature
   to my product?

2
421 Review Questions

1. Why do we use UML in the software process?
2. What are some changes that will happen in the UML
   diagrams as you migrate your models from the
   specification to implementation phases?
3. During the analysis phase, are you thinking about
   the final implementation? If not, why not? If so,
   what changes are made during analysis because of
   this?

3
421 Review Questions

1. How do use-cases help developers? End-users?
   Customers? Testers?
2. What does a use-case represent?
3. What is the difference between a user-goal and a
   system interaction?
4. Explain ltltextendsgtgt ?

4
421 Review Questions

1. What are some of the umbrella activities in a
   software project?
2. What are the goals of a software process like
   CMMI, ISO900, etc In general how do they help
   projects achieve those goals?
3. What is the problem with the requirement The
   system shall provide an immediate response to a
   user query? How should it be re-written?

5
421 Review Questions

• What is meant in XP by Test Driven Development?
• How do XP practices make the need for a
  specification disappear?
• When is a project NOT a good candidate for XP?

6
Class Diagram Questions

• How do I read this arrow
• How about this arrow

Class A
Class B
Class A
Class B
Class C
7
Sequence Diagrams/Leadership

• How do I model a return value?
• Which arrow is for a synchronous versus
  asynchronous message?
• What are the important things you do as software
  leader?

8
Diagrams - ERD, DFD, State, Activity

• Is a state diagram for a class or the whole
  system?
• What goes on the arrow between states? (Or what
  does that arrow mean?)
• Why use swimlanes?
• What is the difference between an ERD and a DFD?
• Describe a level 0 DFD.
• Can an activity diagram have parallel processing?
  If so, how?

9
More Review

• Given http//developers.sun.com/jsenterprise/learn
  ing/tutorials/jse8/uml_class_diagram/Completed-Cla
  ss-Diagram.gif
• How many Entry stations can an ATM have?
• Is it clear what to do when you put money
  (physically) into a Cashier Station? What about
  an ATM?

10
More Review

• In XP, explain the concept of Sustainable Pace?
  What specifically does it mean?
• Explain XPs Test Driven Development?
• What are the steps in the generic process
  framework?
• What is component based software development?
• What is a non-functional requirement of your web
  browser?
• Negotiation is a step in the requirements
  process what happens then?
• On sequence diagram (http//dev2dev.bea.com/images
  /articles/ssosaml-3.jpg) who starts the
  J-security check?

11
More Review

• When do you apply risk management in the software
  process?
• What is a software practice?

12

• What is a metric?
• Give me an example
• Why do we create them?
• What is defect removal efficiency?
• Does a metric need to be actionable? What does
  that mean?

13

• In Python
• root Tk()
• root.title(Some title)
• What is the name of the method to set the title?
• root.title heading title window

14

• What is verification versus validation?
• What is dynamic testing? Static?
• When should testing begin? What stage of the
  software development lifecycle?
• Testing lecture coming up in CS dept
• Essays due NEXT WEEK!

15
Test Coverage Criteria

• What is test coverage criteria and what are some
  advantages over traditional testing methods?
• What is the fault/error/failure model?

16
Test Coverage Criteria

• What is test coverage criteria and what are some
  advantages over traditional testing methods?
  stopping rule, progress metrics, better
  efficiency
• What is the fault/error/failure model?
• Fault is the actual problem in the code
• Error is the incorrect system state when running
• Faiure is the external incorrect behavior

17
Today

• Guest lecture from Ben Booth on experiences using
  Agile XP/SCRUM development techniques
• What is unit testing and how to automate some of
  it using Junit and test coverage
• Refactoring overview
• Course Evaluations Volunteers?

18
Notice

• Remember you have a paper due this semester!
• I missed your last birthday so class 10/9
  Cancelled (Midterm is 10/7. BE THERE)
• What is the difference between Agile and
  Prescriptive development?
• Why is it important to have a rationale for a
  requirement?

19
Notice

• What are some important characteristics of good
  requirements?
• Send draft User Stories to your clients for
  feedback. Explain decisions you had to make. cc
  Dan Fleck
• Today Guest speaker Ben Booth from Near Infinity
  http//www.nearinfinity.com/

20
Questions

• In XP planning game how do you calculate your
  velocity for the next phase?
• Explain test driven development?
• How might pair programming help and hurt?
• How do you model non-functional requirementsor
  constraints in User Stories?
• The system must have up-time of 99 over a week
  period

21
This Week

• Predecessors in a schedule
• Begin Analysis Phase discussion
• Answer any questions from the review
• Reminder Next week is the midterm!
• Closed book, 1 3x5 handwritten notecard allowed

22
This Week

• Finish up Analysis Phase
• Question What is the purpose of the analysis
  phase?
• CRC Cards
• Project Management and Scheduling

23
This week

• Finish up testing
• JUnit
• Review CRC Cards (example)
• Leadership what do I do?

24
Today

• Discuss Project Presentation
• Schedule presentations
• Discuss final project deliverable
• Folder everything should be in it
• Will grade final version of schedule and risk
  list
• Code Needs to be executable (not a printout)
  email is fine
• Finish up design
• Start Refactoring