IT Product Quiz

The next approach for the development team should be to provide experimental data, showing the client that sales can be increased with a better sorting system. This approach aims to convince the client by presenting evidence that a different sorting system would lead to improved user experience and ultimately higher sales. By providing concrete data, the development team can make a persuasive argument and potentially convince the client to reconsider her decision.

Agile development emphasizes the importance of requirements and acknowledges that they can change throughout the development process. Unlike traditional development methods, where requirements are typically defined upfront and considered fixed, Agile recognizes that requirements can evolve as new information and feedback are received. This flexibility allows Agile teams to adapt and respond to changing customer needs and market conditions, ultimately delivering a product that better meets the stakeholders' expectations.

There are three basic methodologies in UX Research. These methodologies include qualitative research, quantitative research, and mixed methods research. Qualitative research involves gathering insights and understanding user behavior through methods such as interviews and observations. Quantitative research focuses on collecting numerical data and analyzing it statistically to draw conclusions. Mixed methods research combines both qualitative and quantitative approaches to gain a comprehensive understanding of user experiences.

Examples of fundamental business measurements for a merchandising or manufacturing company would include sales revenue, cost of goods sold, inventory turnover, and gross profit margin. For a service provider, fundamental business measurements could include billable hours, customer satisfaction ratings, revenue per client, and average service delivery time. These measurements are essential for assessing the financial performance, operational efficiency, and overall success of these types of businesses.

The correct answer is "All above" because in order to launch the project according to the lean methodology, it is important to collect all the information about the future task, segment it into subtasks, develop and test them separately, and calculate all timeframes and budgets based on real data from competitors or past projects. This ensures a comprehensive and data-driven approach to project launch, which aligns with the principles of lean methodology.

The practice of organizing the development team into pairs working in front of a single workstation improves all five aspects of Extreme Programming. Communication is enhanced as team members constantly collaborate and share ideas. Simplicity is promoted as pairs work together to simplify the code and design. Feedback is increased as pairs provide continuous feedback to each other. Respect is fostered as team members rely on each other and value each other's expertise. Courage is encouraged as pairs can support and motivate each other to take risks and try new approaches.

The Manifesto for Agile Software Development values following a plan less. This means that while planning is still important, Agile emphasizes the ability to adapt and respond to change over rigidly sticking to a predetermined plan. Agile values flexibility and prioritizes delivering working software and collaborating with customers and individuals over strictly adhering to a plan.

When we say that a software product is validated, it means that the product has undergone a process of evaluation and testing to ensure that it meets the specified requirements and performs as expected. Validation confirms that the software has been built correctly according to the user's needs and that it satisfies the intended purpose. This process involves checking the functionality, usability, and performance of the software, as well as ensuring that it is free from defects or errors. Therefore, "validated" is the appropriate term to describe a software product that has successfully gone through this validation process.

The correct answer is "All above" because in Agile, all of these risks are considered and addressed. Business risk is about ensuring that the project is aligned with the overall goals and objectives of the organization. Social risk involves assessing whether the team has the necessary skills, resources, and support to successfully complete the project. Technical risk focuses on the feasibility and compatibility of the project with the chosen platform. Risks related to cost and timing of implementation are crucial in Agile as they impact the project's success and financial viability. Therefore, considering all of these risks is essential in Agile project management.

The correct answer includes all the attributes mentioned in the options. Kano's model categorizes attributes into five categories: mandatory, univariate, attractive, unimportant, and unwanted. The answer includes all of these categories, making it the correct choice. Additionally, the answer does not include any extra attributes that are not mentioned in the options.

The next two courses after the introduction that are the basis for the "planning" course and signified by the legs of an inukshuk are Client Needs and Software Requirements, and Software Processes and Agile Practices. These courses are important for understanding the needs and requirements of clients, as well as learning about software processes and agile practices. They provide the necessary foundation for effective planning in software development.

Mark needs to complete the activity of performing estimates. This is because he wants to know which project management activities have been completed while he was away, and performing estimates is a crucial activity in project management that helps in determining the time, effort, and resources required for completing tasks. By performing estimates, Mark will be able to assess the progress made by the development team in his absence and plan the next steps accordingly.

The correct answer is "As a hotel manager, I want to be able to check guests in" and "Account holders will enter their banking PIN into a numeric keypad" because these statements describe specific functionalities or actions that the software should be able to perform. They represent user requirements or system requirements that need to be implemented in the software. On the other hand, "I am required to make you sign a contract" and "Users are male" are not software requirements as they do not relate to the functionality or behavior of the software system.

In this scenario, the participating actors would be the message sender and the message recipient. The message sender is Jack, who opens the application, searches for Sally, and sends the message. The message recipient is Sally, who receives the message from Jack. Both the sender and recipient are actively involved in the communication process, making them the participating actors in this use case.

Customer Development is a scientific approach to creating new companies, products, and services. This approach involves gathering data and insights from potential customers to understand their needs, preferences, and pain points. By conducting interviews, surveys, and experiments, companies can validate their assumptions and make informed decisions about their business strategies. This systematic process helps to minimize risks and increase the chances of success for new ventures.

The middle level of the sales funnel in IT product management is referred to as the "Upside". This term is commonly used to describe potential sales opportunities that have not yet been fully qualified or committed. It represents leads or prospects that show promise and have a higher likelihood of converting into actual sales. The Upside stage is where sales teams focus on nurturing and further qualifying these opportunities before moving them towards the final stage of the sales funnel.

Kano's model categorizes customer requirements into five categories. These categories are known as Attractive, One-Dimensional, Must-Be, Indifferent, and Reverse. Each category represents a different level of customer satisfaction and impact on their overall experience with a product or service. The model helps businesses understand and prioritize customer needs based on these categories, allowing them to focus on areas that will have the greatest impact on customer satisfaction.

The correct answer is "What problem does the product solve and what need does it meet?" This question is related to the proposed value because it focuses on understanding the problem that the product addresses and the need it fulfills for the consumers. By identifying the problem and need, the business can ensure that the proposed value aligns with the customers' needs and provides a solution to their problem. This question helps in defining the value proposition of the product and its relevance in the market.

The question "What does your typical consumer look like?" is the right question related to segmentation of users on the business model canvas (CustDev). This question focuses on understanding the characteristics and demographics of the target audience, which is crucial for effective segmentation. By identifying the typical consumer, businesses can create targeted marketing strategies and tailor their products or services to meet the specific needs and preferences of their target market.

The question "What is the full cost of the product?" is the right question related to cost structure on the business model canvas. It directly addresses the cost aspect of the product and helps in understanding the overall expenses involved in producing, distributing, and maintaining the product. By knowing the full cost, the team can make informed decisions about pricing, profitability, and cost optimization strategies.

The user story states that the document creator wants to store the text document in the desktop folder for easy access. The interpretation that the text document appears somewhere else other than the desktop folder could be true if the document creator wants to store multiple copies in different locations. The interpretation that another document appears in the desktop folder along with the text document could be true if the document creator wants to organize related documents together. The interpretation that in addition to what they were already doing, the document creator also stored the text document in the desktop folder could be true if they were already storing it in another location. Therefore, all of the interpretations may be true.

Mark is using parallel development because he is simultaneously working on building tests for his code and designing the architecture of his product. Additionally, he is clarifying and eliciting requirements from his client as he encounters issues, indicating that he is working on multiple aspects of the development process concurrently.

During the elaboration phase, the main aspects involve creating use case diagrams and creating class diagrams. Use case diagrams help to identify and define the interactions between system actors and the system itself, while class diagrams provide a visual representation of the classes, their attributes, and their relationships in the system. These diagrams are crucial in understanding the requirements and structure of the system being developed. Identifying a strong business case for the project and creating use cases are also important activities in the software development process, but they are not specifically mentioned as main aspects of the elaboration phase in this question.

Billy is the only software product manager who has a true scrum development team. Scrum development teams typically consist of cross-functional members, including developers, testers, and user interface designers. Kelsey's team lacks a user interface designer, Jim's team consists of only developers, Carry's team has separate development and testing teams, and Hillary's team sub-contracts their testing. Only Billy's team of 7 developers meets the criteria of a true scrum development team.

The Manifesto for Agile Software Development emphasizes the importance of working software over comprehensive documentation. This means that while documentation is necessary, the primary focus should be on delivering a functional and usable software product. This approach values tangible results and prioritizes the creation of software that meets the needs of the customer, rather than getting caught up in excessive documentation that may not directly contribute to the final product.

In the Waterfall model, requirements and design are two completely separate phases. This means that the requirements are gathered and documented in the initial phase, and then the design phase follows where the system architecture and detailed design are created. In this model, there is no overlap or iteration between these two phases, and each phase is completed before moving on to the next. This sequential approach allows for a clear separation of requirements and design, making it easier to manage and track progress.

When we say that a software product is verified, it means that the product has undergone a thorough review and inspection process to ensure that it meets the specified requirements and design. Verification is focused on checking the product against the defined criteria and standards. It confirms that the software is built correctly and functions as intended. Validation, on the other hand, is the process of evaluating the software during or at the end of the development process to determine whether it satisfies the specified requirements. Certification is a formal recognition that the software product meets certain standards or requirements set by an authoritative body.

The correct answer is "GOAL - Reality - Obstacles - Options - Way forward" because it follows the correct sequence of steps in the GROW framework. The GROW framework is a coaching model that helps individuals set and achieve their goals. It starts with establishing the goal, then assessing the current reality, identifying any obstacles or challenges, exploring different options to overcome those obstacles, and finally determining the way forward or action plan to achieve the goal. The given answer follows this sequence correctly.

The correct answer is "Jobs-to-be-done, Gains, Pains – Products&Services, Gains creators, Pain relievers." This answer is correct because it accurately identifies the components of a value proposition. The "Jobs-to-be-done" refers to the problems or needs that customers are trying to solve. "Gains" are the benefits or positive outcomes that customers want to achieve. "Pains" are the negative aspects or challenges that customers want to avoid. "Products&Services" refers to the offerings that are designed to address the customers' needs. "Gains creators" are the features or attributes of the offerings that create value for customers by delivering the desired benefits. "Pain relievers" are the features or attributes of the offerings that alleviate or eliminate the customers' challenges or negative aspects.

The specification phase is the phase in which an epic would first be created. In this phase, the requirements and specifications for the software project are gathered and documented. An epic is a large user story that represents a high-level business requirement. Therefore, it is in the specification phase where the epic would be identified and defined before it is broken down into smaller user stories and tasks for further development and implementation.

The correct answer is "Minimum Viable Product." This term is commonly used in the field of product development and refers to the process of creating a basic version of a product with just enough features to satisfy early customers and gather feedback for future iterations. The term "minimum" implies that only essential features are included, while "viable" suggests that the product is functional and able to deliver value to users. This approach allows for faster development and testing, reducing the risk of investing resources in a product that may not meet market needs.

The main purpose of the RICE method in IT product management is prioritization. RICE stands for Reach, Impact, Confidence, and Effort, which are used to evaluate and prioritize features or initiatives. Reach refers to the number of users or customers that will be affected, Impact measures the potential impact on the business or product, Confidence assesses the level of certainty in the estimates, and Effort evaluates the resources and time required. By using the RICE method, product managers can prioritize their initiatives based on these factors and make informed decisions about where to allocate resources.

An excessive number of tables in the restaurant, which is always too crowded, is an example of an unwanted feature. This is because having too many tables in a restaurant can lead to overcrowding and discomfort for the customers. It can also make it difficult for the staff to provide efficient service and maintain a pleasant dining experience. Therefore, this is an example of a feature that is not desirable and can negatively impact the overall experience for both customers and staff.

The correct answer is 4 because CustDev, short for Customer Development, is a framework that consists of four stages. These stages are problem discovery, customer validation, customer creation, and company building. Each stage focuses on different aspects of the customer development process, starting from identifying and understanding the customer's problem to building a scalable and profitable business. Therefore, knowing the four stages of CustDev is essential for effectively implementing this framework.

The correct answer is Customer discovery. Customer discovery refers to the process of understanding the needs, problems, and preferences of potential customers. Idea search is a part of customer discovery where entrepreneurs or businesses search for ideas and potential solutions that can address the identified customer needs. This involves conducting research, interviews, and experiments to gather insights and validate assumptions. By engaging in customer discovery, businesses can effectively develop products or services that meet customer demands and create value in the market.

By asking her team to focus on one aspect of the project at a time, Audrey is implementing the principle of eliminating waste in Lean software development. This principle aims to reduce unnecessary work and activities that do not add value to the final product. By focusing on one aspect at a time, the team can avoid multitasking and improve efficiency, ensuring that resources are used effectively and waste is minimized.

The complaint "I can only play the game for so long before my hand gets tired" represents a physical limitation because it indicates that the person's hand becomes fatigued after playing the game for a certain period of time. This suggests that the physical act of clicking the circles on the mobile device is causing strain or discomfort in their hand, limiting their ability to continue playing the game.

The correct answer is "Are there enough people to meet the criteria?" and "Will it really change their lives for the better? It's for them." These questions are important because they address the potential market size and the impact of the product on the target audience. By considering if there are enough people who meet the criteria, the business can determine if there is a viable market for their product. Additionally, understanding if the product will truly improve the lives of the target audience is crucial for creating a successful and impactful product.

Unit economics is the calculation of the direct revenues and costs that are specifically associated with a particular business model. These calculations are expressed on a per unit basis, meaning they are measured for each individual unit of a product or service. This approach allows businesses to analyze the profitability and financial performance of their business model by considering the costs and revenues at a granular level. By understanding the unit economics, companies can make informed decisions about pricing, production, and resource allocation to maximize their profitability.

The correct answer is "Smartphone with wireless charging capability." This is because wireless charging is a desirable feature that allows users to conveniently charge their smartphones without the need for cables. It eliminates the hassle of plugging in and unplugging the charging cable, making it a convenient and attractive feature for users.

Mura is a Japanese term used in Lean methodology to describe unevenness or inconsistency in processes. It refers to variations in workload or demand that can lead to inefficiencies and waste. "Overload" can be seen as a form of Mura, where there is an excessive amount of work or demand that exceeds the capacity or capability of the system. This can result in bottlenecks, delays, and poor quality output. Therefore, "Overload" is related to Mura in the context of Lean methodology.

Frequent client communication allows for better understanding of client needs and preferences, making it easier to incorporate changes as needed. Neat, commented source code helps in understanding and modifying the codebase efficiently. Continuously reviewing and improving the project ensures that it remains adaptable to change. An updated, prioritized list of features helps in managing changes effectively. Having a development team that is open to change ensures a positive and flexible attitude towards adapting the software product.

The assignment "Establishing the database" is an activity and not a task because it involves a broader and more complex process of setting up the entire database system, rather than a specific and discrete action. Activities often require multiple tasks to be completed and may involve a series of steps or actions to achieve a larger goal. In this case, establishing the database would involve tasks such as creating tables, defining relationships, and configuring settings, among others.

After the development and testing stage in the Spiral Model, the next stage is planning for the next iteration. This stage involves analyzing the results of the previous iteration, identifying any necessary changes or improvements, and determining the goals and objectives for the next iteration. Mark, who is using the Spiral Model for the first time, would need to plan for the next iteration in order to continue the iterative and incremental development process.

The two courses that are the basis for the "planning" course and signified by the legs of an inukshuk are Client Needs and Software Requirements, and Software Processes and Agile Practices. These courses provide the necessary foundation and knowledge for effective planning in software development. Client Needs and Software Requirements focuses on understanding and gathering client needs and translating them into software requirements. Software Processes and Agile Practices, on the other hand, covers different software development processes and agile methodologies that can be used for effective planning and execution of software projects.

In Scrum, the product owner is responsible for prioritizing and managing the product backlog, which includes all the features and requirements for the project. Therefore, according to Scrum practices, any feature requests should go through the product owner, in this case, Penny. By sending an email back to the CEO asking for all feature requests to come through Penny, the software product manager is following the correct practice of involving the product owner in decision-making and ensuring that the backlog is managed effectively.

Just-in-time manufacturing is the term from the manufacturing industry that inspired the philosophy in Kanban to only do one thing at a time, when it is needed. Just-in-time manufacturing is a production strategy where items are produced and delivered just in time to be used, reducing waste and inventory costs. This philosophy aligns with the principles of Kanban, which emphasizes the importance of limiting work in progress and focusing on completing tasks as they are needed.

In the software process, the phase where you determine what the software is expected to do is the specification phase. This is when you gather requirements and define the functionality, performance, and constraints of the software. It involves understanding the needs of the stakeholders and translating them into specific and detailed specifications that will guide the development process. This phase sets the foundation for the subsequent phases of design and implementation, as well as verification and validation, where the software is built and tested against the specified requirements.

Refining software requirements primarily helps to detect potential misunderstandings in the product before it is built. This is because spending time on refining requirements allows for a thorough examination of the details and specifications of the software, ensuring that all stakeholders have a clear understanding of what needs to be developed. By identifying and addressing any misunderstandings early on, the chances of costly errors and rework during the development process are minimized.

The correct answer is input: Donated money and bicycles; output: Working bicycles. In this scenario, the organization receives both money and bicycles from donors, which are the functional inputs. They use these inputs to rebuild the bicycles and make them work again, which is the functional output of the organization. The other options either miss one of the inputs or include irrelevant inputs like aluminum.

The primary agile principle that can lead to better software products and project success is the customer being satisfied with the early and continuous delivery of valuable software. This principle emphasizes the importance of delivering working software to the customer in a timely manner, allowing for feedback and further improvements. By involving the customer throughout the development process and continuously delivering valuable software, the team can ensure that the final product meets the customer's needs and expectations. This approach fosters collaboration, adaptability, and customer satisfaction, ultimately leading to better software products and project success.

The two user stories that conflict with each other are "As a child customer, I want to order my own meal, so that I get my desired meal" and "As a customer, I want to be able to order for my family, so that I can monitor what they eat." These two stories conflict because in the first story, the child customer wants to order their own meal, indicating that they have the autonomy to choose their desired meal. However, in the second story, the customer wants to be able to order for their family, suggesting that they have control over what their family members eat. These two stories contradict each other in terms of who has the authority to make the meal choices.

In the specification phase of the software life cycle process, the task of working on the security features for the database would occur. This phase involves gathering and documenting the requirements and specifications for the software. Since the client is very concerned with security, it is important to specify and define the security features that need to be implemented in the product during this phase.

The 'guest' role in this application can perform the tasks of creating an account, searching recipes, and browsing recipes. However, they cannot add optional information to their profile or post recipes.

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The primary task of the Product Owner is to make decisions about the product. This involves prioritizing and managing the product backlog, defining and communicating the product vision, and ensuring that the development team understands the requirements and expectations. The Product Owner is responsible for making decisions on what features and functionalities should be included in the product, based on customer needs, market trends, and business goals. They collaborate with stakeholders, gather feedback, and make informed decisions to maximize the value of the product.

A software process organizes how the work of people happens in distinct phases to develop a software product. This means that it outlines the steps and activities that need to be followed in order to create a software product. It helps to ensure that the development process is organized, efficient, and follows a structured approach. By breaking down the work into distinct phases, it allows for better planning, coordination, and control of the software development process.

Effective software product management can help to achieve desirable characteristics such as having regular client demos, meeting client needs, and having clear project progress. Regular client demos ensure that the client is involved throughout the development process, allowing for feedback and adjustments to be made in a timely manner. Meeting client needs ensures that the final product aligns with the client's expectations and requirements. Having clear project progress ensures that the development team stays on track and is able to deliver the project within the specified timeframe.

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The correct answer is ARPA / Gross MRR Churn. LTV (Lifetime Value) is a metric used to estimate the average revenue a customer will generate over their lifetime as a paying customer. The formula for calculating LTV is the Average Revenue Per Account (ARPA) divided by the Gross Monthly Recurring Revenue (MRR) Churn. ARPA represents the average revenue generated per customer, while Gross MRR Churn measures the total revenue lost due to customer churn. Dividing ARPA by Gross MRR Churn gives an estimate of how much revenue is generated per customer compared to the revenue lost due to churn.

This answer is correct because having too many buttons on the steering wheel can be considered an unwanted feature. It can distract the user and make it difficult for them to focus on driving.

The primary users of the system are the receptionists and the customers. The receptionists use the system to book appointments for the customers, whether they call or visit the salon. The customers also have the option to create an online account and book their own appointments from the salon's website. Therefore, both the receptionists and the customers are the primary users of the system. The owner of the salon and the hair stylists are not mentioned as primary users in this scenario.

The business model canvas is a strategic management tool that helps organizations visualize, analyze, and design their business models. It consists of nine key building blocks: customer segments, value propositions, channels, customer relationships, revenue streams, key resources, key activities, key partnerships, and cost structure. Each block represents a crucial aspect of the business and contributes to its overall success. Therefore, the correct answer is 9, as there are nine blocks in the business model canvas.

A product backlog is a prioritized list of features, enhancements, and bug fixes that need to be developed and delivered in a product. User requirements are essential for understanding what features and functionalities the product should have, and bugs represent issues that need to be fixed. Including user requirements and bugs in the product backlog ensures that they are properly addressed and prioritized during the development process. Non work-related duties are unrelated to the product development and are not typically included in the product backlog. The product vision provides a high-level overview of the product's goals and direction, but it is not a specific item that can be included in the backlog.

The question "How do you build, maintain and develop relationships with consumers?" is the right question related to interaction with consumers on the business model canvas (CustDev). This question focuses on understanding the strategies and approaches a company uses to establish and nurture relationships with its customers. It highlights the importance of customer engagement and satisfaction, which are crucial for long-term success and profitability. By asking this question, a company can gain insights into its customer relationship management practices and identify opportunities for improvement.

The word "processed" in the user story is categorized as a vague word. Vague words are those that lack clarity or precision, making it difficult to understand their exact meaning or requirements. In this case, it is unclear what specific actions or steps are involved in processing the purchases for an order. The ambiguity of the word "processed" could lead to different interpretations and potentially impact the completion of the order.

The correct answer is "Unevenness and mismatch of load, overload." This answer aligns with the concept of MURA in lean methodology, which refers to the unevenness or variability in workload distribution. When there is a mismatch of load and overload, it can lead to inefficiencies, delays, and increased stress for employees. It is not advisable because it can negatively impact productivity and overall work quality.

The linear process model is characterized by each phase happening sequentially without any looping or repetition. This means that once a phase is completed, the next phase begins, and there is no going back or repeating any previous phases. This model ensures a clear and structured flow of work, with each phase building upon the previous one until the product is complete. It is a straightforward and linear approach to project management, suitable for projects with well-defined requirements and minimal changes expected throughout the process.

The reason to stay between the new solution and the existing one is based on existing habits and allegiance. This suggests that customers may choose to stick with the current product due to their established routines and loyalty towards it. They may be resistant to change and find comfort in familiarity, which makes it difficult for them to switch to a new solution.

There are two approaches in UX research. UX research can be conducted using qualitative or quantitative methods. Qualitative research involves gathering insights and understanding user behavior through methods such as interviews, observations, and usability testing. On the other hand, quantitative research involves collecting and analyzing numerical data to measure user behavior and preferences. These two approaches provide different perspectives and can be used in combination to gain a comprehensive understanding of user needs and preferences.

The ability to make calls on a new smartphone is a mandatory feature because it is one of the primary functions of a smartphone. Users expect to be able to make and receive calls on their devices, and it is a basic requirement for any smartphone to have this capability. Without the ability to make calls, the device would not fulfill its purpose as a communication device. Therefore, this feature is essential and necessary for a new smartphone.

The example of mandatory features in this question is "Buttons on the shirt." Mandatory features are essential elements or characteristics that are required or expected in a particular product or service. In the context of a shirt, buttons are necessary for it to function as intended. Without buttons, the shirt would not be able to be worn and would not serve its purpose as a garment. Therefore, buttons on the shirt are a mandatory feature.

In a self-organizing team, the team members take responsibility for their own work and make decisions collectively. They agree upon certain practices to follow, such as Agile methodologies. They also have the autonomy to self-assign tasks as they complete them, without the need for a leader to assign tasks. This allows for greater flexibility and efficiency in the development process.

The location of the car's gas tank is an unimportant feature because it does not affect the overall functionality or performance of the car. It is merely a design choice and does not impact the car's ability to operate or fulfill its purpose of transportation.

The color of the printer's body is an example of an unimportant feature because it does not affect the functionality or performance of the printer. The printer's primary purpose is to print documents, and the color of its body does not impact its ability to do so. Therefore, it can be considered an unimportant feature in comparison to other factors such as print quality, speed, and connectivity options.

If Mark's code does not build, it means that there are errors or issues in his code that prevent it from being compiled successfully. As a result, the code cannot be executed or tested because it is not in a runnable state. Building the code is an essential step before testing, as it ensures that the code is syntactically correct and can be executed. If the code does not build, it will not be able to go through the testing process.

The correct answer is "Business rule" because a business rule is a specific statement that defines or constrains some aspect of the business. In this case, the requirement for the invoicing product to calculate sales tax is a specific rule that needs to be implemented. It is not a general business requirement, which would describe the overall goals or objectives of the product.

Software requirements are specific descriptions of your client's needs. This means that they are the detailed explanations of what the client expects the software to do and the features it should have. These requirements help in guiding the development process and ensure that the software meets the client's expectations and requirements. By understanding and documenting the client's needs, the development team can effectively design and build the software to meet those needs.

The correct answer is Direct, Secondary, Indirect. This answer includes the types of competitions that are relevant and important for identification. Direct competitions are those that offer the same product or service to the same target market. Secondary competitions are those that offer a similar product or service to a different target market. Indirect competitions are those that offer a different product or service to the same target market. These three types of competitions cover a wide range of potential rivals and provide valuable insights for strategic planning.

The given answer suggests that it is not advisable to follow the Lean methodology because it leads to unjustified difficulties in work. This means that implementing Lean principles may create unnecessary challenges and obstacles in the work process. It implies that the Lean methodology may not be suitable for the specific situation or organization, and adopting it could cause more harm than good. The answer also implies that the Lean methodology may result in unevenness and mismatch of workload, as well as consequences of mistakes in management.

The Agile principles that are most related to requirements are welcoming changing requirements, encouraging face-to-face interaction, focusing on simplicity, and delivering working software frequently. Welcoming changing requirements acknowledges that requirements may change throughout the project and emphasizes the importance of being flexible and adapting to these changes. Encouraging face-to-face interaction promotes effective communication and collaboration between team members and stakeholders, which is crucial for gathering and understanding requirements. Focusing on simplicity highlights the need to keep requirements clear, concise, and easy to understand. Delivering working software frequently ensures that requirements are continuously validated and adjusted based on feedback from users.

The correct answer is Customer lifetime value. Customer lifetime value refers to the predicted net profit that a company can expect to gain from a customer over the entire duration of their relationship with the company. It is a key metric used to assess the long-term profitability of acquiring and retaining customers.

The question "How will you sell the product?" is the right question related to channels on the business model canvas (CustDev). This question focuses on the specific channel strategy and tactics that will be used to reach the target customers and sell the product. It addresses the key aspect of channel selection and implementation, which is crucial for the success of any business. By answering this question, the company can outline its sales approach, distribution methods, and marketing strategies to effectively reach and engage with its target market.

The type of plastic the juice bottle is made of is an example of an unimportant feature because it does not directly affect the functionality or performance of the bottle. While the type of plastic may have implications for recycling or environmental concerns, it does not impact the primary purpose of the bottle, which is to hold and dispense juice.

Idea realization, in the context of CustDev study, refers to the process of transforming an idea into a tangible product or service that can be offered to customers. This process involves creating and developing the product or service based on customer feedback and needs. Therefore, the correct answer is "Customer creation" as it aligns with the idea of creating a product or service for customers.

Developers and software product managers are responsible for creating time estimates. Developers have the technical expertise and knowledge of the tasks involved in the development process, making them well-suited to estimate the time required for each task. Software product managers, on the other hand, have a broader understanding of the project goals, requirements, and dependencies, allowing them to provide input and insights into the time estimates. The client and CEO may have input in terms of project priorities and deadlines, but they are not directly responsible for creating time estimates.

The bottleneck is located in the acceptance testing phase because it has the lowest amount of work that can be completed per week compared to the other phases. This means that the acceptance testing phase will take longer to complete compared to the other phases, causing a delay in the overall development process.

The given answer suggests that the consequences of mistakes in management are a result of using lean methodology and MUDA. This implies that implementing lean methodology without proper management can lead to negative outcomes. It is important to have effective management practices in place to avoid mistakes and ensure smooth operations.

The correct answer is "Free two-day delivery from an online store." This is an example of an attractive feature because it offers convenience and saves time for the customer. It is a desirable service that many people value when shopping online as it allows them to receive their purchases quickly without any additional cost.

Verification and validation are processes that ensure that a product or system meets specified requirements and expectations. Writing tests for selecting a character and executing tests for changing the color of characters are tasks that fall under the verification and validation phase. These tasks involve testing the functionality and performance of the character selection screen to ensure that it works as intended and meets the desired criteria. Planning what the characters will look like and writing the source code for multiplayer selection are not directly related to the verification and validation phase, as they involve design and development rather than testing and validation.

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The fuel consumption meter per kilometer on the dashboard of the car is an example of an attractive feature because it provides real-time information about the car's fuel efficiency. This feature allows the driver to monitor and adjust their driving habits to optimize fuel consumption, saving money and reducing environmental impact. It also provides useful feedback and helps the driver make informed decisions about refueling. Overall, this feature enhances the user experience and adds value to the car.

The input work product for the activity of formulating potential approaches would be a backlog of requirements. This is because during this activity, the product manager and development team brainstorm and come up with various approaches or ideas to achieve the client's goal of creating an app for payment. These approaches or ideas need to be documented and organized in a backlog of requirements, which will serve as a reference for the development team to prioritize and implement the necessary features and functionalities in the app.

The direct benefits or outcomes of using planning include determining the tasks that need to be completed, assigning those tasks to individuals or teams, and creating schedules to ensure that the tasks are completed in a timely manner. Planning helps in organizing and prioritizing the work, ensuring that everyone knows what needs to be done and when it needs to be done. It also helps in managing resources effectively and avoiding overcommitment.

The two acceptance tests that would be applicable in this scenario are: a test that confirms when a user buys a ticket, a valid ticket appears, and a test that confirms when a user selects a show time, movies playing at that time appear. These tests are important as they verify the core functionalities of the cinema app, ensuring that users are able to successfully purchase tickets and view the available movies for a selected show time.