Coursera Answers

Client Needs and Software Requirements Coursera Answers

by Niyander

Hello Friends in this article i am gone to share Coursera Course: Client Needs and Software Requirements All Weeks Quiz Answers with you..

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Client Needs and Software Requirements Coursera Answers

 

Week 1 Quiz Answer

Module 1 Assessment (Graded) Answer

Question 1)
Which of the statements below are relevant to the activity of eliciting requirements? (Choose three that apply)

  • Necessitate curiosity and investigation.
  • Involve the client and end users in determining their needs.
  • Start and end with a list of what to do from a client.
  • Need interaction with the client and end users to define their problem.

Question 2)
The activity of analyzing requirements involves checking to ensure requirements are:

  • written in the correct form, even if requirements conflict
  • clearly written, and consistent with client’s vision
  • a concise representation of the client’s needs, without regard to technical feasibility
  • completely capturing the client’s responses, with ambiguity expected

Question 3)
Why is there an activity to manage requirements? Choose two that are correct.

  • So requirements are expressed in a usable form.
  • So requirements are analyzed for improved clarity, consistency, and completeness.
  • So changes to requirements are tracked for impact upon other requirements and work.
  • So requirements can be referred to within other software development activities.

Question 4)
Which are examples of the business rule type of software requirement? Choose two that are correct.

  • External interfaces
  • Government regulation
  • Human interface guidelines
  • This is a correct answer because a data retention policy constrains a business, and thus how a product provided by it must behave.

Question 5)
From the course, which type of requirement describes a task that an end user can do with the software product?

  • User requirement
  • Physical setting
  • External interface
  • Functional requirement

Question 6)
Which types of non-functional requirements are involved in the following statement? “The mobile application must measure the user’s location 10 times per second, for a period of at least one hour.”

  • Performance and accuracy
  • Accuracy and usability
  • Security and dependability
  • Performance and efficiency

Question 7)
What does the product vision include? Choose two that are correct.

  • Placement among competing solutions
  • Plans for activities to develop the product
  • Future technologies needed to create the product

Question 8)
What are acceptable ways to defend against scope creep? Choose two that are correct.

  • Make expectations clear.
  • Arrange more overtime.
  • Ask the question, “Is this in scope?”
  • Assume the scope change is necessary.

 

Week 2 Quiz Answer

Module 2 Assessment (Graded) Answer

Question 1)
End users are ___ users, since they use the product. Their supervisors are ___ users, if they use the product only occasionally or indirectly. Instances of both types of users are ___, since they are affected by the product.

  • direct / tertiary / customers
  • direct / indirect / customers
  • primary / intermediary / stakeholders
  • primary / secondary / stakeholders

Question 2)
When forming the requirements for a software product to monitor a person’s physical health, what background characteristics of users should be considered? Choose two that are correct.

  • Income level
  • Personality traits
  • Sensory abilities (e.g., sight)
  • Background knowledge (e.g., computer skills)

Question 3)
Ways to elicit requirements from end-users include ___. Choose three that are correct.

  • end user interviews
  • focus group discussions
  • watching the tasks end users do
  • sequestering the users until they decide

Question 4)
Requirements elicitation is an activity with stakeholders involving interactions that are ___. Choose two that are correct.

  • balanced
  • passive
  • interrogative
  • exploratory

Question 5)
A use case description defines a task supported by the software product, including the task goal, participating ___ involved in the task, the ___ that must be met once the task is completed normally, and the main steps of the task in the ___.

  • actors / post-conditions / basic flow
  • actors / effects / basic flow
  • users / post-conditions / normal flow
  • users / effects / normal flow

Question 6)
Within a use case description, what is the difference between a precondition and a trigger?

  • The actors cause triggers to occur, while the product causes preconditions to be true.
  • When a trigger occurs, the preconditions for the use case become true for the use case.
  • A precondition is a state that is met beforehand, while a trigger is an event that causes the use case to start.
  • When a precondition for the use case become true, the trigger occurs to start the use case.

Question 7)
A wireframe used during requirements elicitation is a good way to specify ___.

  • the quality of graphics to be displayed
  • the actors involved in using the product
  • the important information to be displayed
  • the relationships between states of the product user interface

Question 8)
Movie-style storyboards can use fictional characters with specific ___ to depict the different types of users, and their goals, behaviors, and characteristics, in the markets to be addressed by the software product.

  • ages
  • names
  • clothes
  • personas

 

Week 3 Quiz Answer

Module 3 Assessment (Graded) Answer

Question 1)
Which of the following Agile principles are applicable when exploring stakeholder needs? Choose all that are correct.

  • Continuous attention to technical excellence and good design enhances agility.
  • Deliver working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale.
  • The most efficient and effective method of conveying information to and within a development team is face-to-face conversation.
  • Welcome changing requirements, even late in development. Agile processes harness change for the customer’s competitive advantage.

Question 2)
In which traditional, standard form does a user story express the who, what, and why of a requirement?

  • As a ___, I want ___, so that ___.
  • As a ___, I need ___, because ___.
  • As a ___, I want ___, since ___.
  • As a ___, I need ___, so that ___.

Question 3)
Bill Wake devised the mnemonic INVEST to remember what makes a good user story. The “I” stands for “independent” and the “N” stands for “negotiable”. What do the “V”, “E”, “S”, and “T” stand for?

  • viable, estimatable, small, testable
  • valuable, estimatable, small, testable
  • verifiable, estimatable, specific, time-bound
  • valuable, estimatable, small, time-bound

Question 4)
Consider the following user story: As a reader, I want to advance to the next article in my reading list by clicking a green button labeled “Next”. Besides missing the reason why, what else is poor about this requirement? Choose two that are correct.

  • It is not small.
  • It is not negotiable.
  • It is not testable.
  • It describes a specific implementation.

Question 5)
To verify a user story as completed correctly, an acceptance criterion is a ___ and an acceptance test is a ___.

  • specific condition to be met / method to check for that condition
  • specific quality to be met / method to check for that quality
  • specific performance to be met / benchmark to check for that performance
  • specific condition to be met / method to ensure that condition is true

Question 6)
When employing the approach of writing user stories on index cards, what is commonly written on the back of the user story card?

  • The estimated effort
  • The priority
  • Acceptance tests and/or criteria
  • The developer assigned to implement it

Question 7)
Prior to planning, who determines the effort estimate to complete a user story on the product backlog?

  • The client
  • The developers collectively
  • The manager
  • The developer assigned to complete the user story

Question 8)
A story map takes the user stories on the product backlog and organizes them into columns that denote ___ and rows that denote ___.

  • functional categories / effort levels
  • functional categories / priorities or releases
  • stages of completion / developers
  • stages of completion / priorities or releases

 

Week 4 Quiz Answer

Ambiguous Requirements Quiz Answer

Question 1)
Consider the user story, “As a player, I want the machine to make a noise when I gain 100 points, so that I have an auditory signal when I’m doing well.”
Why is this user story considered ambiguous?

  • It does not specify how the machine will make the noise.
  • It does not specify if the noise is made every time you gain 100 points, or just the first time you gain 100 points.
  • It does not specify whether the sound is always the same every time you gain 100 points, or if the sound changes each time you gain 100 points.
  • It does not specify whether the auditory signal will be a single noise (i.e. a bell will ring one time), or if the signal will be multiple noises (i.e. plays a small tune).

Question 2)
Consider the user story, “As a player, I want the machine to make a noise when I gain 100 points, so that I have an auditory signal when I’m doing well.”
Suggest a better, less-ambiguous way of writing this user story.

  • Your answer cannot be more than 10000 characters.

Question 3)
Consider the user story, “As a multiplayer, I want both players to have a controller, so that we can play together.”
Why is this user story considered ambiguous?

  • “Multiplayer” is an ambiguous role.
  • It does not specify which type of controller they need.
  • It doesn’t specify which multiplayer mode they are using.
  • It does not specify if each multiplayer has their own controller, or if they are sharing one controller.

Question 4)
Consider the user story, “As a player, I want to see the name of the player with the highest score everyday, so that I know who has the high score.”
Suggest a better, less-ambiguous way of writing this user story.

  • Your answer cannot be more than 10000 characters.

Question 5)
Consider the user story, “As a player, I want the targets to start moving after I press Start, so that I can start hitting them.”
What is the ambiguous word in this user story, and which category of ambiguous words does it belong to?

  • I, Pronouns
  • After, Temporal Words
  • Press, Vague Words
  • After, Positional Words

Question 6)
Consider the user story, “As a player, I want the targets to start moving after I press Start, so that I can start hitting them.”
Suggest a better, less-ambiguous way of writing this user story.

  • Your answer cannot be more than 10000 characters.

Question 7)
Consider the user story, “As a player, I want the screen to always display a target, so that there’s always something to hit.”
Why is this user story considered ambiguous?

  • It does not specify how the user hits a target.
  • It does not specify if targets are all the same size, or if they vary in size.
  • It does not specify whether there is only one target displayed, or at least one target.
  • It does not specify if a target disappears after it’s been it, or if it remains on-screen and is able to be hit again.

Question 8)
Consider the user story, “As a player, I want the screen to always display a target, so that there’s always something to hit.”
Suggest a better, less-ambiguous way of writing this user story.

  • Your answer cannot be more than 10000 characters.

Question 9)
Consider the user story, “As a multiplayer, I want to beat them when I’m playing in versus mode, so that I win the game.”
Why is this user story considered ambiguous? (Select 2 answers)

  • It does not specify who “them” is in the user story.
  • It does not specify what the game is.
  • It does not specify the difference between versus and teamwork mode.
  • It does not specify how you beat them in order to win the game.

Question 10)
Consider the user story, “As a multiplayer, I want to beat them when I’m playing in versus mode, so that I win the game.”
Suggest a better, less-ambiguous way of writing this user story.

  • Your answer cannot be more than 10000 characters.

Module 4: Assessment (Graded) Answer

Question 1)
Considering the requirements criteria, a correct user story means ___.

  • it must be implemented correctly
  • it is reviewed for correctness
  • it is an accurate description of a desired requirement
  • it is in the form, “As a ___, I want ___, so that ___.”

Question 2)
An unambiguous user story would be ___, assuming also the terminology and meaning are understood.

  • clear
  • simple
  • correct
  • verifiable

Question 3)
A ___ user story means that whether it was satisfied can be tested.

  • clear
  • simple
  • correct
  • verifiable

Question 4)
A traceable user story mainly means that ___.

  • it can be traced to an end user need
  • it can be traced to related user stories
  • it can be traced to whoever originally wrote it
  • it can be traced to the code that implements it

Question 5)
While eliciting requirements with a potential photo editor user, you hear they want to be able to edit the last photo. What should you do next?

  • Ask which photo to edit.
  • Ask what kinds of edits to support.
  • Write a user story to edit the last photo.
  • Ask what benefit this capability would offer.

Question 6)
An ambiguous requirement is best resolved by:

  • Asking the stakeholder to write the requirement.
  • Requesting additional details to revise the requirement.
  • Developing a feature that covers all possible interpretations.
  • Breaking a single requirement into smaller multiple requirements.

Question 7)
Identify the unambiguous user stories for a blog site. Choose two that are correct. As an author, ___, so that I can correct an entered post.

  • I want to be able to edit my previous post.
  • I want to be able to edit my oldest post.
  • I want to be able to edit my current post
  • I want to be able to edit my newest post.

Question 8)
Identify the problem with the following user story for a restaurant menu app. Choose two that are correct. As a customer, I want to choose a dietary restriction including vegetarian and gluten-free, so that I avoid certain ingredients in my dishes.

  • Ambiguous
  • Incomplete
  • Infeasible
  • Inconsistent

 

Course Assessment (Graded) Answers

Question 1)
In the course, software requirements are defined as: ___.

  • specifying what is necessary to use a software product
  • defining a solution to a problem
  • describing client and end user needs
  • outlining general ideas of what a client wants

Question 2)
In what form should requirements be expressed?

  • A usable form understood by the stakeholders and developers.
  • Temporary form, since requirements are no longer needed once the product is implemented.
  • Diagrams understood only by the developers.
  • Scribbles understood only by the client.

Question 3)
What is specifically achieved by the managing requirements activity? Choose two that are correct.

  • So requirements are prioritized into must do, should do, could do categories.
  • So requirements capture stakeholder needs.
  • So requirements can possibly have subsets reused in other products.
  • So requirements can be tracked throughout development.

Question 4)
Which type of requirement explains why a software product is needed?

  • Business rule
  • Business value
  • Business purpose
  • Business requirement

Question 5)
Which are examples of a business rule type of software requirement? Choose two that are correct.

  • Visual identity guidelines
  • Coding standards
  • Development constraints
  • Privacy policy

Question 6)
From the course, which type of requirement is the following statement?
The application must record the date, time, and beats per minute for a heart rate measurement.

  • User requirement
  • External interface
  • Health requirement
  • Functional requirement

Question 7)
Requirements can ___, so the ___ must be managed carefully to determine what is in or out of the product.

  • expand / team
  • expand / vision
  • change / schedule
  • change / scope

Question 8)
What are acceptable ways to defend against scope creep? Choose two that are correct.

  • Prioritize the requirements.
  • Assume product delivery can be delayed.
  • Refuse any scope changes.
  • Discuss the boundary of the product in a use case diagram.

Question 9)
While design notations like wireframes and storyboards are useful during requirements elicitation to generate product ideas, what is the main pitfall?

  • Wireframes and storyboards require artistic talent to draw.
  • Settling on a specific solution too soon.
  • These design notations are not running software.
  • Manually drawing them during elicitation is not professional.

Question 10)
When forming the requirements for a software product to train a person in different physical exercises, what characteristics of users should be considered? Choose two that are correct.

  • Eye color
  • Physical (e.g., weight)
  • Ethnicity
  • Fitness level

Question 11)
What challenging issues could arise when working with end users to form requirements for a new software product? Choose two that are correct.

  • They may give feedback on the product ideas they like and do not like.
  • They may not be able to express what they really need.
  • They may communicate what product features would be important to them.
  • They may prefer a poor product they already know rather than learn something new.

Question 12)
To ease understanding with clients and end users, a glossary should be established that everyone agrees with. What kinds of terms should be defined in this glossary?

  • Terms only if they have multiple definitions.
  • Terms from the problem domain.
  • Terms from the software programming domain.
  • Terms only if they are not already in a dictionary.

Question 13)
You work for a company that makes home automation accessories, and one of the executives has tasked you to create a new mobile app to manage someone’s deployment of the accessories. When eliciting the product’s requirements, what is a good first question to be answered?

  • When does the app need to be delivered?
  • Why is a mobile app needed?
  • What are all the requirements for the mobile app?
  • What mobile platform should the app run on?

Question 14)
What kind of scenario does the basic flow of a use case description define?

  • hypothetical
  • exceptional
  • worst case
  • “sunny day”

Question 15)
Why use a wireframe during requirements elicitation? Choose two that are correct.

  • To give context when discussing potential product ideas.
  • To design the product’s user interface layout in precise detail.
  • To decide on typefaces and color schemes.
  • To help visually in generating the tasks that need to be supported.

Question 16)
What may be depicted by the two types of storyboards? Choose two that are correct.

  • The user stories and their progress toward completion
  • A story map of the required user stories
  • States of the product user interface and their navigational relationships
  • A scenario of how actors use a product

Question 17)
Consider the following requirement:

The product shall record the starting and ending location for a ground travel expense item of a claimant.
What is an appropriate expression of the requirement in standard user story form?

  • I want to record the starting and ending location for a ground travel expense item.
  • As a claimant, I want to record the starting and ending location for a ground travel expense item, so that I can recall where the trip occurred.
  • As the product, I shall record the starting and ending location for a ground travel expense item of a claimant.
  • As a claimant, I will record the starting and ending location for a ground travel expense item, so that I can recall where the trip occurred.

Question 18)
What is a key difference between use cases and user stories?

  • A use case description defines the interactive steps of a task, while a user story generally does not.
  • A use case description defines a benefit, while a user story generally does not.
  • A use case description defines an actor, while a user story generally does not.
  • A use case description defines a goal, while a user story generally does not.

Question 19)
The traditional, standard form of a user story correspondingly expresses the ___, ___, and ___ of a requirement. Choose two that are correct.

  • who / what / why
  • actor / goal / action
  • who / what / where
  • role / goal or desire / benefit

Question 20)
Consider the following user story: As a traveler, I want the journal application to have a good user interface, so that I enjoy using it regularly.
What is poor about this requirement? Choose two that are correct.

  • It is not negotiable.
  • It is too small.
  • It is an epic.
  • It is not testable.

Question 21)
Consider the following user story for an application:
As a meal planner, I want to see nutrition information for a given amount of a specific food, so that I prepare a healthy meal.
What are suitable acceptance tests? Choose two that are correct.

  • See nutrition information for a given amount of a given food.
  • Correct nutrition information is shown for a given amount of a given food.
  • Enter the name of an item of food not in the system and confirm an error message is displayed.
  • Enter 250 g of baked Pacific salmon and confirm the correct nutrition information is displayed.

Question 22)
A product backlog consists of what must be worked on to complete the product, such as ___ and ___. A person in a specific role ___ the product backlog items.

  • found defects / work tasks / writes
  • found defects / found security issues / fixes
  • user stories / found defects / prioritizes
  • user stories / found defects / implements

Question 23)
A story map visually organizes the user stories on the product backlog into columns by functional categories. What can this technique enable? Choose three that are correct.

  • Ensure testable user stories.
  • Prioritizing user stories against others in the same category.
  • Development of user stories evenly across categories.
  • Recognizing missing stories in corresponding categories.

Question 24)
For an initial product, a story map helps to identify a ___ and useful set of valuable capabilities from across functional categories for an initial product.

  • complete
  • working
  • minimal
  • verifiable

Question 25)
According to the requirements criteria, the requirements should be complete. What does that mean?

  • The requirements are completed according to the Scrum definition of done.
  • The requirements are approved as complete before development.
  • The requirements fully describe the product to be developed.
  • The information to be entered for a use case or user story is complete.

Question 26)
Which of the following criteria for requirements would need to be checked holistically across the set of user stories, not by considering each user story independently? Choose two that are correct.

  • Complete
  • Consistent
  • Verifiable
  • Traceable

Question 27)
Consider the following user story:
As an expense claimant, I want the expense entry form to have a good user interface, so that I will know what to enter next.
Assuming sufficient resources and feedback from end users, this user story is ___. Choose two that are correct.

  • feasible
  • not verifiable
  • not feasible
  • verifiable

Question 28)
A manageable user story means that ___.

  • a manager organizes it
  • it is a requirement that benefits management
  • it is easy to manage without impacting other stories
  • the “who” involved is that of a manager

Question 29)
While eliciting requirements with a potential smart watch user, you hear they will “never” need to display the times for more than two time zones at once. What should you do next?

  • Discuss a design that always shows two times.
  • Ask what typeface to use when showing two times.
  • Ask why two time zones are enough.
  • Write a user story assuming the two time zone maximum.

Question 30)
An ambiguous requirement is best resolved by:

  • Letting the developers choose the interpretation involving the least work
  • Replacing the trouble words with synonyms
  • Ignoring it since stakeholders seem not to know what they need
  • Rewriting it for one meaning and checking it with the stakeholder

Question 31)
Identify the ambiguous partial user story for an internet radio service.
As a listener, ___.

  • I want to be able to play an audio stream.
  • I want to be able to end the audio stream I am listening to.
  • I want to be able to mute the audio stream I am listening to.
  • I want to be able to pause the audio stream I am listening to.

Question 32)
Consider the following user story for an ebook app by itself, and identify the potential problems. Choose three that are correct.
As a parent user, I want to see what my child is reading.

  • Infeasible
  • Incomplete
  • Unclear
  • Inconsistent