SWE201c

• Which of the following software development models can best respond to requirements changes?

  
  

  A. The V-model

  B. The Waterfall model

  C. Agile models

  C
• In which of the following software development models are the software development activities performed sequentially rather than in iterations?

  
  

  A. Agile models

  B. The Waterfall model

  B
• Which is the right description about the requirement specification process?

  
  

  A. Requirement specification is a process to design the solution to the problem.

  B. Requirement specification is a process that identifies and specifies the problem and possible solutions to the problem.

  C. Requirement specification is a process to identify and specify the problem to solve.

  D. Requirement specification is a process of solving the requirements.

  C
• A constraint to only use Microsoft Project during the system development is a non-functional requirement.

  
  

  A. True.

  B. False.

  A
• Which of the following are non-functional requirements:

  
  

  A. Some product requirements, like using a specific encryption protocol, are non-functional requirements.

  B. Organization requirements imposed by the company, like a specific coding style, are non-functional requirements.

  C. External requirements imposed by external organization, like using a specific development style, are non-functional requirements.

  D. All of the above.

  D
• WRSPM stands for:

  
  

  A. Wide, Requirement, Software, Planning and Model.

  B. World, Requirement, Specification, Program and Machine.

  C. None of the above.

  A
• Looking at the difference between user requirements and system specifications in the ATM example, we know that swiping the card and prompting for a PIN are requirements, while reading the card details and a 4-digit PIN are specifications.

  
  

  A. True.

  B. False.

  A
• The purpose of the WRSPM model is to ensure that:

  
  

  A. Specifications meet the requirements.

  B. Requirements meet specifications.

  C. None of the above.

  A
• A subsystem in an architecture must:

  
  

  A. be created separately and can operate individually.

  B. have business value.

  C. be integrated with one another or with existing subsystems.

  D. All of the above.

  D
• Partitioning of a large system into smaller subsystems helps the buy-or-build decision because we can examine each subsystem and reason about possible buy-or-build options for each.

  
  

  A. True.

  B. False.

  A
• A UNIX program where the output of one program is the input of another, is an example of which of the software architecture models below:

  
  

  A. Pipe-and-Filter Model.

  B. Event-based Model.

  C. Layered Model.

  D. Client-Server Model.

  E. Blackboard Model.

  A
• An online banking system is best modeled by:

  
  

  A. Pipe-and-Filter Model.

  B. Blackboard Model.

  C. Client-Server Model.

  D. Event-based Model.

  C
• A vehicle identification and tracking system, where each moving vehicle is tracked and monitored through a shared program, is best modeled by:

  
  

  A. Pipe-and-Filter Model.

  B. Blackboard Model.

  C. Layer Model

  D. Client-Server Model

  E. Event-based Model

  B
• The difference between subsystems and modules are:

  
  

  A. Subsystems can independently comprise the business logic by itself while modules can't.

  B. Subsystems can communicate with other subsystems while modules cannot communicate with other modules.

  C. All of the above.

  A
• Software architecture concerns itself with both estimation and quality but not partitioning.

  
  

  A. True.

  B. False.

  B
• Which of the following is considered the most difficult in the software development process?

  
  

  A. Accurately identifying user needs

  B. Developing a Java program to meet the designed solution

  C. Determining the accurate market price for the finished product

  D. Testing the solution with users

  A
• What is a Requirements Specification?

  
  

  A. A process, how the requirements are written (specified)

  B. A product, a written specification of the requirements

  C. Both

  D. Neither

  C
• Based on the NASA statistics on budget and schedule overrun vs. time spent on requirements process, what is the recommended amount of time to spend on the requirements stage?

  
  

  A. 0% of the total time spent on the project

  B. 5-10% of the total time spent on the project

  C. 20% of the total time spent on the project

  D. The same amount as you expect to spend on testing.

  B
• Which of the following matches the terms to the correct definition?

  
  

  A. Requirements - user needs in user language; Specification - solution properties designed to solve problem

  B. Requirements - solution properties designed to solve problem; Specification - user needs in user language

  A
• Which of these is a user requirement?

  
  

  A. Allow an authorized user to post a message of no more than 136 characters to the Facebook POST API

  B. Use the MariaDB database for internal data persistance

  C. Retry posting the message up to 3 times every 5 minutes if the post is rejected by the server

  D. Allow the user to post a message to Facebook

  D
• Which of the following is NOT an example of a non-functional requirement.

  
  

  A. The messages between the client and server shall be in YAML 1.2 format.

  B. The user shall be able to select the course number.

  C. Communication between the client and server will be expressed in EBCDIC endoding.

  D. The developing team shall use the spiral model of software development lifecycle.

  B
• What element(s) of the WRSPM model belong in the system (including the overlap between environment and system)?

  
  

  A. S

  B. W,R,S

  C. S,P,M

  D. S,P

  E. W

  F. R,S

  G. W,R

  H. R,S,P

  I. P,M

  J. M

  C
• Which of these is proper definition of software architecture?

  
  

  A. integrating small systems with no individual business value into larger ones

  B. partitioning large systems into smaller ones that can be created seperately, have individual business value, and can be easily integrated

  C. planning and pricing the resources involved with developing a large-scale software system, including presenting such plans and budgets to senior level executives for funding

  D. all of the above

  B
• Which of the following models is best suited for a system with significant shared data that needs to be shared across a variety of components or sub-systems, somewhat like global variables, but with better data integrity?

  
  

  A. pipe-and-filter

  B. layered

  C. blackboard

  D. event-based

  E. client-server

  C
• Which of the following models is best suited for a system that includes several subsets of functionality that are used in more than one area of the system?

  
  

  A. client-server

  B. event-based

  C. pipe-and-filter

  D. blackboard

  E. layered

  C
• Which of the following models is best suited for a system that benefits from the separation of complexity and processing between work which can be done locally and that which should be completed on a shared, remote service?

  
  

  A. layered

  B. pipe-and-filter

  C. client-server

  D. blackboard

  E. event-based

  C
• Which of the following would be considered a sub-system, rather than a module?

  
  

  A. A set of classes which convert various values based on environment or parameter information

  B. A class which represents the paying customer

  C. A set of classes which generates reports

  D. A class which provides a service (e.g. AccountCreationService)

  C
• What element(s) of the WRSPM model belong in the environment (including the overlap between environment and system)?

  
  

  A. W

  B. W,R

  C. W,R,S

  D. R,S

  E. R,S,P

  F. S

  G. S,P

  H. S,P,M

  I. P,M

  J. M

  C
• Software design is the process of transforming the stated problem into a ready-to-use implementation.

  
  

  A. False

  B. True

  B
• Abstract solutions do not require extensive domain knowledge and effectively reduce the costs during the software design phase.

  
  

  A. False

  B. True

  A
• It is often advised that abstract solutions do not provide optimization details regarding the implementation.

  
  

  A. True

  B. False

  A
• When it comes to software design, it is always best to follow a solution that is widely popular in the industry

  
  

  A. False

  B. True

  A
• While a solution coming from software design does not include implementation details, there are still common cases where pseudocode may be provided to correctly capture the sense of a complex algorithm.

  
  

  A. True

  B. False

  A
• Which of the four aspects of modularity is defined as: How well modules work together.

  
  

  A. Information Hiding

  B. Coupling

  C. Cohesion

  D. Data Encapsulation

  B
• Which of the four aspects of modularity can be described as: Abstracting away implementation details.

  
  

  A. Information Hiding

  B. Data Encapsulation

  C. Cohesion

  D. Coupling

  A
• Which of the four aspects of modularity can be described as: How well a module meets a single well-defined goal.

  
  

  A. Information Hiding

  B. Cohesion

  C. Coupling

  D. Data Encapsulation

  B
• Which of the four aspects of modularity can be described as: Containment of constructs and concepts within a module.

  
  

  A. Information Hiding

  B. Data Encapsulation

  C. Cohesion

  D. Coupling

  B
• Three goals of ______ can be described as (1) Decomposability, (2) Composability, and (3) Ease of Understanding.

  
  

  A. Modularity

  B. Cohesion

  C. Coupling

  A
• You have a sort function that provides no details on which sorting algorithm is used. This is an example of which aspect of modularity?

  
  

  A. Cohesion

  B. Information Hiding

  C. Data Encapsulation

  D. Coupling

  B
• A benefit to using ______ is that you know if your data is corrupted, then it must have been corrupted by the module.

  
  

  A. Cohesion

  B. Data Encapsulation

  C. Information Hiding

  D. Coupling

  B