ar games using vuforia sdk coursera week 4 answers

Technical interview quiz

1. Imagine an interviewer asks, “What is your approach to a project?” It’s an important question a potential employer might ask in order to get a strong sense of how you may approach a challenge. How would you respond?

“My approach to a project can be summarized in three key steps: planning, execution, and evaluation. Firstly, I believe in thorough planning to set a clear direction and define the project’s objectives, scope, and timeline. This involves conducting research, gathering requirements, and creating a detailed project plan with well-defined tasks and milestones.

Once the planning phase is complete, I focus on effective execution. This involves assembling the right team, delegating tasks, and promoting open communication and collaboration. I encourage team members to take ownership of their responsibilities and provide them with the necessary resources and support. I also emphasize the importance of adaptability, as projects often encounter unforeseen challenges. In such situations, I promote a problem-solving mindset and encourage the team to find innovative solutions while keeping the project’s goals in mind.

Throughout the project, I believe in maintaining regular communication with stakeholders, ensuring everyone is informed about progress, risks, and any necessary adjustments. This helps manage expectations and fosters a sense of transparency and trust. I also prioritize continuous monitoring and tracking of the project’s progress, making necessary adjustments to ensure we stay on track and meet the desired outcomes.

Finally, I believe in conducting a comprehensive evaluation at the end of the project. This includes reviewing the project’s deliverables, analyzing the success metrics, and seeking feedback from stakeholders. By reflecting on both the achievements and areas for improvement, I can apply lessons learned to future projects and continuously enhance my approach.

Overall, my approach to a project is characterized by careful planning, effective execution, continuous communication, and thorough evaluation. I believe in fostering a collaborative and adaptable environment that empowers the team to deliver high-quality results within the defined constraints.”

2. Potential employers may ask, “what is your work process?” because they want to hear how you can respond to shifting customer demands and changing environments. How would you respond?

“My work process is centered around adaptability, customer-centricity, and continuous improvement. I understand that customer demands and environments can change rapidly, and it is essential to stay responsive and flexible to meet those evolving needs. Here is an overview of how I approach my work process:

  1. Active Listening and Understanding: I prioritize active listening and understanding the needs, preferences, and pain points of customers. By gathering feedback and insights, I can stay attuned to their changing demands and adjust my approach accordingly.

  2. Agile and Iterative Approach: I believe in adopting an agile and iterative approach to work. This means breaking down complex tasks or projects into smaller, manageable chunks. By doing so, I can deliver incremental value and respond quickly to changes. It also allows for regular feedback loops with customers and stakeholders, enabling us to make adjustments early on.

  3. Collaboration and Communication: Effective collaboration and communication are crucial when responding to shifting customer demands and changing environments. I actively engage with cross-functional teams, stakeholders, and customers to ensure a shared understanding of goals, priorities, and challenges. By fostering open lines of communication, we can quickly address emerging needs and adapt our strategies accordingly.

  4. Continuous Learning and Improvement: I believe in a growth mindset and continuous learning. I regularly seek opportunities to expand my knowledge and skills, staying updated with industry trends and best practices. This enables me to bring fresh ideas and innovative solutions to the table. I also encourage the team to share lessons learned and apply them to future projects, fostering a culture of continuous improvement.

  5. Monitoring and Evaluation: To ensure that my work aligns with shifting customer demands, I emphasize regular monitoring and evaluation. This involves setting key performance indicators (KPIs) and tracking progress against them. By gathering data and insights, I can identify trends, anticipate potential challenges, and make data-driven decisions to adapt my approach as needed.

By following this work process, I can effectively respond to shifting customer demands and changing environments. I remain customer-centric, adaptable, and continuously strive for improvement, ensuring that my work aligns with the evolving needs and expectations of customers.”

3. Communication and collaboration are key when it comes to working on teams. That’s why a potential employer might ask, “How do you collaborate with team members?” How would you respond?

“I strongly believe in the power of communication and collaboration when working on teams. It is essential to foster a collaborative environment that encourages open dialogue, trust, and collective problem-solving. Here is an overview of how I approach collaboration with team members:

  1. Establishing Clear Goals and Expectations: At the outset of a project or task, I ensure that clear goals and expectations are established. This involves discussing roles, responsibilities, and desired outcomes with each team member. By setting a shared understanding of what needs to be achieved, we can align our efforts and work towards a common goal.

  2. Active Listening and Respectful Communication: Effective collaboration begins with active listening and respectful communication. I value each team member’s ideas, perspectives, and contributions. I encourage open discussions where everyone feels comfortable sharing their thoughts and opinions. By actively listening, I can understand different viewpoints and encourage a diversity of ideas, fostering an environment of mutual respect.

  3. Encouraging Participation and Engagement: I believe in creating an inclusive environment where all team members feel valued and encouraged to participate. I actively seek input from individuals, ensuring that everyone has a voice and an opportunity to contribute. By promoting a culture of inclusion and participation, we can harness the collective intelligence of the team and make more informed decisions.

  4. Leveraging Strengths and Delegating Tasks: Collaboration is about leveraging the strengths and expertise of team members. I recognize and appreciate the unique skills and talents each individual brings to the team. When delegating tasks, I consider the strengths and interests of team members, matching them with the responsibilities that align with their abilities. This fosters a sense of ownership and empowerment, leading to higher engagement and productivity.

  5. Building Trust and Resolving Conflicts: Trust is the foundation of successful collaboration. I prioritize building trust among team members by being reliable, transparent, and supportive. I also recognize that conflicts can arise during the collaborative process. In such situations, I address conflicts promptly and respectfully, seeking win-win solutions. I encourage open dialogue to resolve differences and focus on maintaining positive working relationships.

4. While no one wants to receive negative feedback, it happens. How you react to it and rise from it goes a long way in who you are as an employee and teammate. That’s why interviewers often ask prospective AR developers, "How do you respond to unpleasant feedback?" What would your response be?

“I believe that receiving feedback, even if it’s unpleasant, is an opportunity for growth and improvement. Constructive criticism can provide valuable insights and help me enhance my skills and performance. Here is how I typically respond to unpleasant feedback:

  1. Remain Open and Listen Attentively: When receiving feedback, I maintain an open mindset and actively listen to understand the perspective being shared. I try to detach myself from any initial emotional response and focus on the message being conveyed. By truly listening, I can gain a better understanding of the specific areas where improvement is needed.

  2. Avoid Taking Feedback Personally: It’s important not to take feedback personally. Instead, I view it as an objective evaluation of my work or actions. I remind myself that the intention is to help me grow professionally and contribute more effectively. This mindset allows me to approach the feedback with a level-headed and constructive attitude.

  3. Seek Clarification and Ask Questions: If the feedback is not clear or requires further clarification, I proactively seek additional information. I ask questions to ensure I fully comprehend the feedback and the expectations for improvement. Seeking clarification demonstrates my commitment to understanding and applying the feedback effectively.

  4. Reflect and Analyze: After receiving feedback, I take some time for self-reflection. I analyze the feedback objectively and compare it to my own self-assessment. I evaluate the validity of the feedback and identify specific areas where I can make adjustments or improvements. This introspective process helps me identify patterns, recognize areas for growth, and develop action plans for improvement.

  5. Develop an Action Plan: Once I have analyzed the feedback, I develop a clear action plan to address the areas of improvement. I set specific goals and identify actionable steps to enhance my performance or skills. This proactive approach demonstrates my commitment to personal and professional development.

5. AR development is deadline driven and with that, challenges may arise. What would your response be to a potential employer asking, “How do you deal with tough or shifting deadlines?”

“I understand that AR development projects are often deadline-driven and can encounter challenges along the way. When faced with tough or shifting deadlines, I approach them with a proactive and solution-oriented mindset. Here is how I typically deal with such situations:

  1. Assess and Prioritize: When confronted with tough or shifting deadlines, I begin by assessing the situation and understanding the reasons behind the changes. I evaluate the impact on the project timeline and prioritize tasks accordingly. By identifying critical activities and potential bottlenecks, I can focus my efforts on the most important aspects to meet the revised deadlines.

  2. Communicate and Collaborate: Effective communication is key when dealing with shifting deadlines. I proactively communicate with stakeholders, such as project managers, clients, and team members, to ensure everyone is aware of the changes and their implications. I collaborate with them to identify potential solutions and make necessary adjustments to the project plan. By keeping everyone informed and involved, we can collectively work towards finding the best way to manage the new deadlines.

  3. Reevaluate and Adjust: Shifting deadlines often require reevaluating the project plan and adjusting timelines and resources. I conduct a thorough review of the project scope, requirements, and available resources. I identify areas where efficiencies can be gained, tasks can be streamlined, or additional resources can be allocated. This allows me to make informed decisions and adapt the plan to the new realities while maintaining the desired quality of deliverables.

  4. Break Down and Delegate: In situations with tight deadlines, breaking down complex tasks into smaller, manageable subtasks can help with time management and resource allocation. I delegate tasks to team members based on their strengths and expertise, ensuring that responsibilities are distributed effectively. Regular communication and follow-up are essential to ensure everyone is on track and any obstacles are addressed promptly.

  5. Adaptability and Flexibility: To navigate tough or shifting deadlines, I emphasize adaptability and flexibility. I am open to exploring alternative approaches or adjusting the project scope, if feasible, to meet the revised timelines. I prioritize the essential features or functionalities required by the deadline while keeping in mind the long-term goals of the project. I also encourage the team to remain flexible and agile, ready to pivot and make necessary adjustments as needed.

AR games using Vuforia SDK quiz

6. Fill in the blank. ______________________________ helps build an understanding, in AR, of the surrounding physical environment. Select the best answer.

  • AR Plane (Script) component
  • AR raycast
  • Plane detection
  • AR Plane GameObject

7. Which of the following are features of Vuforia that you can use to develop an AR app? Select all that apply.

  • Image tracing
  • Ground plane
  • Image targets
  • Area targets

8. From the perspective of a user, what is the most important measure of the performance of an app? Select the best answer.

  • Frame rate
  • Plane detection
  • Interactivity
  • Detect touch

Shuffle Q/A 1

9. What technique do you use so that the position of the touch of a user is detected on the screen? Select the best answer.

  • Instantiation
  • Raycasting
  • Marker tracking
  • If node

10. Fill in the blank. You will define the Original input when you instantiate a new GameObject in an AR application using plane detection in order to correctly __________________________on the plane. Select the best answer.

  • Position the object at the same position
  • Invoke the method to spawn the object
  • Place the object horizontally or vertically
  • Match the object’s rotation with the rotation

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