SWE201c EXAM QUESTIONS AND
ANSWERS 100% CORRECT
Which of the following software development models can best respond to requirements
changes?
- ANSWER -
A. The V-model
B. The Waterfall model
C. Agile models - ANSWER - 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 - ANSWER - 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. - ANSWER - C
A constraint to only use Microsoft Project during the system development is a non-
functional requirement. - ANSWER - True
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. - ANSWER - D
WRSPM stands for:
A. Wide, Requirement, Software, Planning and Model.
B. World, Requirement, Specification, Program and Machine.
C. None of the above. - ANSWER - B
,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. -
ANSWER - True
The purpose of the WRSPM model is to ensure that:
A. Specifications meet the requirements.
B. Requirements meet specifications.
C. None of the above. - ANSWER - 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. - ANSWER - 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. - ANSWER - True
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. - ANSWER - 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. - ANSWER - 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 - ANSWER - 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. - ANSWER - A
Software architecture concerns itself with both estimation and quality but not
partitioning. - ANSWER - False
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 - ANSWER - A
Software design is the process of transforming the stated problem into a ready-to-use
implementation. - ANSWER - False
Abstract solutions do not require extensive domain knowledge and effectively reduce
the costs during the software design phase. - ANSWER - False
It is often advised that abstract solutions do not provide optimization details regarding
the implementation. - ANSWER - True
When it comes to software design, it is always best to follow a solution that is widely
popular in the industry - ANSWER - True
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. - ANSWER - True
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 - ANSWER - B
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 - ANSWER - 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. - ANSWER - 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 - ANSWER - 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 - ANSWER - 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. -
ANSWER - 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
ANSWERS 100% CORRECT
Which of the following software development models can best respond to requirements
changes?
- ANSWER -
A. The V-model
B. The Waterfall model
C. Agile models - ANSWER - 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 - ANSWER - 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. - ANSWER - C
A constraint to only use Microsoft Project during the system development is a non-
functional requirement. - ANSWER - True
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. - ANSWER - D
WRSPM stands for:
A. Wide, Requirement, Software, Planning and Model.
B. World, Requirement, Specification, Program and Machine.
C. None of the above. - ANSWER - B
,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. -
ANSWER - True
The purpose of the WRSPM model is to ensure that:
A. Specifications meet the requirements.
B. Requirements meet specifications.
C. None of the above. - ANSWER - 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. - ANSWER - 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. - ANSWER - True
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. - ANSWER - 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. - ANSWER - 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 - ANSWER - 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. - ANSWER - A
Software architecture concerns itself with both estimation and quality but not
partitioning. - ANSWER - False
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 - ANSWER - A
Software design is the process of transforming the stated problem into a ready-to-use
implementation. - ANSWER - False
Abstract solutions do not require extensive domain knowledge and effectively reduce
the costs during the software design phase. - ANSWER - False
It is often advised that abstract solutions do not provide optimization details regarding
the implementation. - ANSWER - True
When it comes to software design, it is always best to follow a solution that is widely
popular in the industry - ANSWER - True
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. - ANSWER - True
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 - ANSWER - B
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 - ANSWER - 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. - ANSWER - 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 - ANSWER - 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 - ANSWER - 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. -
ANSWER - 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
