15+ TOP Agile Interview Questions and Answers
1. What is an agile or agile methodology?
Agile is an iterative approach of software development methodology using short iterations of 1 to 4 weeks. Due to the agile methodology, the development process is aligned to deliver the changing business requirement.
2. What are some quality strategies of agile?
Some quality strategies of agile are:
3. Dynamic code analysis
4. Short feedback cycles
5. Reviews and inspection
6. Standards and guidelines
7. Milestone reviews
3. What do you know about the Agile Manifesto and its Principles?
Agile Manifesto is the outcome of the frustration that crept into the minds of business leaders due to the issues that surfaced from the time lag between the requirements gathering and actual delivery of the product. The Agile Manifesto constitutes four foundational values and 12 supporting principles which drive the Agile approach to software development.
Agile methodology preaches the following 12 principles:-
1. Customer Satisfaction via prompt delivery of working software.
2. Adapt to the changing requirements for the benefit of the customer.
3. Deliver frequent releases of working software to the customer. Plan every deliverable in shortest possible time, maybe weeks.
4. There should be close coordination between the developers and the business people for the entire duration of the project.
5. Projects need motivated people. Trust them by providing the support they need.
6. Face-to-face discussion is the best mode of communication with the team.
7. Working software reflects the current state of the project.
8. Agile processes promote sustainable development. Developers should be capable of maintaining a uniform pace.
9. Consistent efforts to be made to achieve technical excellence and robust design.
10. Add simplicity by filtering out the things that do not add value. Focus on the most needed features to avoid unnecessary work.
11. Self-organized teams usually create the best designs.
12. The group adapts to the changes regularly.
These principles outline the core values of the Agile methodology defined in the Agile manifesto.
4. What are the burn-up and burn-down chart?
The burn-up chart depicts the amount of work done in the project, whereas the burn-down chart illustrates the amount of work remaining in the project. Thus, the burn-up and burn-down are used to describe the progress report of the project.
5. What do you understand about Scrum?
Scrum is a framework that helps agile teams work together to develop, deliver, and sustain the complex product in the shortest time. The product provides by scrum team in this shortest period is known as a sprint.
6. What are the advantages of using Agile Methodology?
Agile offers the following advantages:
i. In Agile methodology, the delivery of software is continuous and quick.
ii. The customers are satisfied because after every Sprint a working software with some new feature is demonstrated to them.
iii. Customers take a look of the working software regularly. It helps to ensure that the product is going as per their expectations.
iv. If the Customer suggests any change in the feature, the team can plan to accommodate it in the current sprint.
v. in Agile methodology, it is necessary to have a daily interaction between the business people and the developers.
vi. Agile allows accommodating changes in the requirements even at the later stages of the development.
vii. Reduces rework as the project remains in-tune with customer needs at every step.
7. What are the potential drawbacks of Agile methodology?
Like other development approaches, Agile may have drawbacks for some products and teams.
• Anticipates High Level of Commitment:
The agile model works well only when the whole development team is committed to the project for the entire duration. It may become challenging if multiple releases are happening concurrently. An individual team member may also find it difficult to cope with the rapid development.
• A probability for Escalation of Cost and Deadline:
It may be due to change, or addition of some new requirement towards the end of the Sprint. Despite, high-level of planning, it is always possible that some deliverables may not get completed on time due to some unidentified issues. It’s a bare truth of all projects. Addition of Sprints may be required to handle these, which means an increase in cost to the customer.
Agile requires a high level of collaboration between the Customer and the team, which promotes a high level of interaction. For customers and the development teams that work on different geographical location, this may become an added challenge.
• A trend to ignore documentation:
The Agile Manifesto stresses more on delivering working software over comprehensive documentation. It is beneficial, as it reduces the unnecessary work. However, depending on the project, the team will have to strike a proper balance between the code and the documentation.
8. Mention few differences between Agile and conventional methodologies.
1. Agile promotes incremental methodology, whereas sequential methods are used by conventional techniques.
2. Agile focuses on a complete group associated with the project and the required interaction in between them. Compared to which, other ways only emphasize processes and tools.
3. Agile focuses on an end product which must be best to the functions but without documentation priority. The conventional methods work opposite it.
4. Agile methods include clients as an integral part of the whole project development, whereas this may not be a case for other methodologies.
9. What is velocity in Agile?
In Agile, velocity is a metric which is calculated by addition of efforts estimates associated user stories completed in an iteration. The speed will predict how much work Agile can achieve in the sprint and the required time for its completion.
10. What are the different roles in Scrum?
There are three different roles in scrum. These are the Scrum Master, Product Owner, Agile Development Team:
1. Scrum Master: The Scrum Master is a team leader and facility provider who help the team member to follow agile practices so that they can meet their commitments and customers requirements.
2. Product Owner: The Product Owner is one who runs the product from a business perspective. He defines the requirements and prioritizes their values.
3. Agile Development Team: Agile development team provides the judgment on the technical feasibility or any dependencies.
11. What are different ceremonies and their importance in Scrum?
To clearly express the Scrum planning, Scrum review, Scrum Daily stand up, and scrum retrospective is the purpose of the ceremony. The importance of these ceremonies is to use sprint as per your project.
12. What do you know about Scrum ban?
Scrum-ban is a Scrum and Kanban-based model for software development. This model is used in the project that needs continuous maintenance, various programming error, or some sudden changes.
13. What do you understand by the term agile testing?
The agile testing is the software testing process which is fully based on the principle of agile software development. It is the iterative approach where the user story becomes the output of the collaboration between the product owner and the development team.
14. Name the agile frameworks.
Some of the agile frameworks are:
3. Feature Driven Development
4. Test Driven Development.
15. Name some methodologies and development where you have used the agile model.
While answering this type of question, keep in mind to mention those methodologies from which you are familiar whit.
Some of the methodologies where agile is used are:
1. Crystal methodologies
2. Lean software development
3. Dynamic development
4. Feature-driven development.