Agile Scrum

Agile Scrum - Interview Questions and Answers

Generally, the duration of a scrum sprint (scrum cycle) depends upon the size of project and team working on it. The team size may vary from 3-9 members. In general, a scrum script complete in 3-4 weeks. Thus, on an average, the duration of a scrum sprint (scrum cycle) is 4 weeks. This type of sprint-based Agile scrum interview questions is very common in an agile or scrum master interview.

Velocity question is generally posed to understand if you have done some real work and familiar with the term. Its definition “Velocity is the rate at which team progresses print by sprint” should be enough. You can also add saying the important feature of velocity that it can’t be compared to two different scrum teams.

Impediments are the obstacles or issues faced by scrum team which slow down their speed of work. If something is trying to block the scrum team from their getting work “Done” then it is an impediment. Impediments can come in any form. Some of the impediments are given as –

  • Resource missing or sick team member
  • Technical, operational, organizational problems
  • Lack of management supportive system
  • Business problems
  • External issues such as weather, war etc
  • Lack of skill or knowledge

While answering impediments related agile scrum interview questions remember that you may be asked the way to remove any of the mentioned impediment.

Difference between Agile and Scrum – Agile is a broad spectrum, it is a methodology used for project management while Scrum is just a form of the Agile that describes the process and its steps more concisely. Agile is a practice whereas scrum is a procedure to pursue this practice.

This is one of the commonly asked agile scrum interview questions and a quick answer can be given this way. An increment is the total of all the product backlogs items completed during a sprint. Each increment includes all the previous sprint increment values as it is cumulative. It must be in the available mode in the subsequent release as it is a step to reach your goal.

The build-breaker is a situation that arises when there is a bug in the software. Due to this sudden unexpected bug, compilation process stops or execution fails or a warning is generated. The responsibility of the tester is then to get the software back to the normal working stage removing the bug.

Here’s how you can answer Scrum Master interview questions like this –

The scrum master is the leader as well as coach of the Scrum team. The scrum master is responsible to serve and protect his team from any kind of distractions that could affect their performance. The main role of the scrum master is to motivate his team to achieve the sprint goal. He is focused to build a self-organized and motivated team where each member is familiar with the implementation of Agile and Scrum principles and applications. The scrum master keeps a proper check on the scrum team if they are executing committed tasks properly. He is also responsible to increase the efficiency and productivity of the team so that they can achieve the sprint goal effectively.

A story point in Scrum is the unit for the estimation of total efforts that are required to perform or complete a particular task. So, here is how you can answer such agile scrum interview questions on a single line.

Key responsibilities of a Scrum Master involves:

  • Tracking and monitoring
  • Understanding requirements properly
  • Work to reach the project goal
  • Process checking master and quality master
  • Protect the team from detachments
  • Improving the performance of the team
  • Lead the meetings and resolve issues
  • Resolution of conflicts and impediments
  • Communication and reporting

Scrum-ban is a Scrum and Kanban-based model for the software development. This model is specifically used for the projects that need continuous maintenance, have various programming errors or have some sudden changes. This model promotes the completion of a project in minimum time for a programming error or user story.

You may surely get an interview question about daily stand-up. So, what should be the answer to this question? The daily stand-up is an everyday meeting (most preferably held in the morning) in which the whole team meets for almost 15 minutes to find answer to the following three questions –

  • What was done yesterday?
  • What is your plan for today?
  • Is there any impediment or block that restricts you from completing your task?

The daily stand-up is an effective way to motivate the team and make them set a goal for the day.

Some of the Agile quality strategies are –

  • Iteration
  • Re-factoring
  • Dynamic code analysis
  • Short feedback cycles
  • Reviews and inspection
  • Standards and guidelines
  • Milestone reviews

This is the theory which most of agile/scrum roles aspirant should be on tips. Four manifesto values and 12 principles should be explained as much as possible as part of this question. Even if it’s not explained in 100% accurate manner it should be fine but intentions of values and principles should come out e.g.

  • Working Software should be demonstrated at regular intervals
  • Individuals & interaction – self-organization, self-motivating should be encouraged
  • Customer collaboration
  • Welcoming change at any point in time in the project

The burn-up chart illustrates the amount of completed work in a project whereas the burn-down chart depicts the amount of work remained to complete a project. Thus, the burn-up and burn-down charts are used to trace the progress of a project.

To answer this question, describe Zero Sprint and Agile in detail, as follows –

Zero sprint – Zero Sprint can be defined as the preparation step of the first sprint in Agile. There are some activities that are required to be done before actually starting the project. These activities are considered as the Zero sprint; the examples of such activities are – setting the environment for development, preparation of backlogs etc.

Spike – Spike is the type of story that can be taken between the sprints. Spikes are commonly used for the activities related to the design or technical issues such as research, design, prototyping, and exploration. There are two types of spikes – functional spikes and technical spikes.

Sashimi plays an important role in Scrum methodology. Sashimi is a technique used by Scrum to check the completion of all the functions created by the developers. Using this technique, all the requirements such as analysis, designing, coding, testing and documentation that are used in the constitution of a product are checked and only after that the product is displayed.

  • Scrum planning, Scrum – Daily stand up, Scrum review & scrum retrospective ceremonies should be clearly expressed with the purpose of the ceremony. It’s important to remember the time-boxing of the ceremonies for a standard 4 weeks of Sprint or as per the Sprint you have used in your projects.

Scrum encourages the use of automated (automated performance or automated regression) testing to make the fastest possible delivery of the project. While answering this question, you may explain some tools that you have used for automated testing.

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