Interview

deloitte power bi interview questions

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Deloitte: Scenario based Question | Ques Collected from a friend | Power BI Interview | 2022

Interviews for Top Jobs at Deloitte

Data Analyst Interview

Application

I applied through college or university. I interviewed at Deloitte

Interview

First Online assessment was conducted via AMCAT platform. After completion of OA result was declared after one week. Among 225 students 80 students were shortlisted.Technical interview was conducted in online and after one hour of interview, students were called for HR interview. 40 students were selected.

Interview Questions

  • 1.Tell me about yourself.2.Describe about your project.3.Medium questions about your Technical skills.4. Write a code for fibonacci numbers.

Data Analyst Interview

Application

I interviewed at Deloitte

Interview

Technical round is not just technical, but also behavioral and psychological. Puzzle questions will be asked and questions to check your IQ Mostly your approach to questions are noticed and marked. You have to be confident.

Interview Questions

  • what is 14 times 16

Data Analyst Interview

Application

I applied through college or university. I interviewed at Deloitte (Dhārwād) in Aug 2022

Interview

first it was an online exam. After that it was a JAM round, They give a topic and you must speak about that for 1 min.Next round was the techincal interview mostly about projects,and simple coding questions.Next it was a HR round.

Interview Questions

  • Binary search, tech stack used in project

Top Power BI Interview Questions & Answers

1. What are the critical characteristics of Power BI?

At the very outset Power, BI is a set of tools that can help enterprises to collect data and promptly convert the data collected into visual reports and share them as well with the desired recipients. Users can also choose to view, search, and analyze data on any given area in one go.

The security and regulation features of Power BI are so advanced that enterprises can choose to scale up their data reports using Power BI. The shareability feature of Power BI reports enables enterprises to share and view the reports on multiple platforms at the same time. Power BI also includes a natural language processor which allows the users to get assistance.

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2. What are the different versions of Power BI available?

The complete package of Power BI comprises a variety of tools, which in turn facilitates flexibility of use. In that regard, enterprises may choose to use only the version of Power BI that seems the most relevant to their use. Three of the most popularly available versions are :

  • Power BI for Desktop – As can be understood from the name, this version is best suited for those using Windows 10 and higher configurations of desktop operating systems.
  • Power BI Service -This version is helpful to launch and share the data reports through the cloud.
  • Power BI for mobile – As explained from the name, this version is best for use on mobile phones.

    • 3. Explain the five major components of Power BI

    Power BI includes five major components.

  • Power Pivot-Collects data and transmutes the relevant information to the query.
  • Power Query- This is where the data loaded is analyzed and operated on.
  • Power Q&A-Reports are made interactive using this feature. Users can engage with the findings of the reports using simple English words.
  • Power View-This component further enhances the dynamic attribute of Power BI. Users can further visualize their reports using interactive maps, graphs, and charts.
  • Power Map-This component processes the geographic locations in the datasets.

    • Candidates intellectually prepare by researching the company. Most job seekers do not research themselves by taking inventory of their experience, knowledge, and skills. Formulating a list of accomplishments prepares you to immediately respond to any question about your experience. You must be prepared to discuss any part of your background. Interviewers usually start the interview with, “So tell me about yourself.” Don’t babble endlessly. Highlight the key points from your academic and professional career – those that they will be interested to hear.

    You know that the interview is coming to an end when the interviewer asks you, “Do you have any questions for me?” Answering “no” is perhaps the worst response, as it indicates either you are not interested, or not prepared. So before each interview, make a list of five questions you will ask. “I think a good question is, ‘Can you tell me about your career?” says Kent Kirch, Director Global Talent Acquisition & Mobility, Deloitte Touche Tohmatsu Limited. “Everybody likes to talk about themselves, so youre probably pretty safe asking that question.”

    Most candidates expect to be interrogated. An interrogation occurs when one person asks all the questions and the other gives the answers. An interview is a business conversation in which both people ask and respond to questions. Candidates who expect to be interrogated avoid asking questions, leaving the interviewer in the role of reluctant interrogator. So, the tip is to go to the interview prepared with questions!

    Interviewers frequently ask candidates, “What are your weaknesses?” Traditional interview wisdom tells you to take a weakness such as “Im a perfectionist,” and turn it into a positive one. However, interviewers are not impressed by such a response – as it’s been used hundreds of times before. So instead of using this approach, highlight a skill that you wish to improve upon and describe what you are doing to enhance it. Takeaway: Interviewers do not want to focus on your weaknesses; they are more interested to see how you handle this question – as it tells them much more about you.

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    4. What are the different data filters available in Power BI?

    The data loaded on Power BI may be filtered through the three prominent filters.

  • Drillthrough Filters – Through this filter, users are able to create a specific page in their reports, which emphasize on a particular entity.
  • Page-level Filters – Page-level Filters enable users to filter out specific information in particular pages.
  • Report level filters – This filter assists in filtering out particular data in the entire report.

    • 5. How does Power BI store data?

    Once data is loaded in Power BI, it is stored in two forms of tables.

  • Fact Tables – This is the storehouse of quantitative data. On most occasions, these aren’t normalized.
  • Dimension Tables – These stores more qualitative information. They contain the attributes and dimensions of the data in the fact tables.

    • 6. What are the important tools of Power BI?

  • The Query Editor – All the gathering and transformation of data in Power BI is done through the Query Editor. It is also referred to as the Power Query. Query Editor extracts data from different locations and also converts it into forms that are more suited to analysis. Query Editor is adept at collecting data from a variety of sources ranging from text and Excel charts to social media platforms like Facebook.
  • Once the data is extracted, the query editor converts the data into a more conducive form through a specific process. First, the information is split into multiple columns, then pivoting and unpivoting is followed, thereafter, the data types are modified. Finally, the data from the different extractions are merged into a single table.
  • The xVelocity In-memory Analytical Engine – The The technology responsible for the actual storage and retrieval of data within Power BI is called xVelocity In-memory Analytical Engine. It is often referred to by its shorter name, vertiPaq engine. It stores the aggregated data in the memory, which is then made available for querying.
  • By using an advanced data compression algorithm, the vertiPaq engine is able to hold a large amount of data in the memory. To enhance the speed of processing and compressing data, it operates as a columnar store wherein the data is organized along columns of tables rather than rows, as in the case of traditional data tables.
  • The Tabular Model – Power BI uses the tabular data model to define the relationships and hierarchies between the data tables. For making business calculations, the tabular model uses measures. Measures perform a wide range of calculations from the simple sum of a set of data to a more complex deduction of a percentage of growth etc. Data Analysis Expressions, or DAX, are used to define measures.
  • Power View – Power View is the tool that is responsible for data visualization in Power BI. The interactive and dynamic features of a Power BI report and dashboards are majorly attributed to Power View.

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    7. What do you mean by DAX? How does using variables benefit DAX?

    Data Analysis Expressions or DAX essentially define measures that are used to make calculations in Power BI. It is helpful for querying and returning data by table expression. As a formula language, DAX performs data calculations and analysis. Alongside measures, DAX also computes data and fields.

    Using variables can make DAX work smoothly. Not only can variables be reused in the Query Editor, but it also helps in avoiding any additional queries in the source databases. It is with the help of variables that we can understand the DAX expressions.

    8. What do you mean by Power BI service?

    Power BI service is what makes Power BI accessible to the users. It is a cloud-based portal through which the Power BI content can be shared. Most of the Power BI service features are free for use at PowerBI.com. However, more exclusive and accentuated features for organization-level sharing of content can be availed through Power BI Premium Licensing or Power BI Pro.

    FAQ

    How do I pass Deloitte interview?

    Our interview tips will help set you up for success.
    1. #1: Do your homework. We’re impressed when candidates have taken the time to do some research and learn about us. …
    2. #2: Make an impact. Dress for the occasion. …
    3. #3: Be confident. …
    4. #4: Ask questions. …
    5. #5: Sell yourself. …
    6. #6: Get clarification. …
    7. #7: Follow up.

    How do you explain power Bi in an interview?

    Mention some advantages of Power BI.

    It allows users to transform data into visuals and share them with anyone. It establishes a connection for Excel queries and dashboards for fast analysis. It provides quick and accurate solutions. It enables users to perform queries on reports using simple English words.

    What is power bi interview questions?

    Power BI Interview Questions For Freshers
    • How would you define Power BI as an effective solution? …
    • What are the major components of Power BI? …
    • What are the various refresh options available? …
    • What are the different connectivity modes in Power BI? …
    • What is a Power BI desktop? …
    • Where is the data stored in Power BI?

    Is Power BI a SSBI?

    What is self-service business intelligence? SSBI is an approach to data analytics that enables business users to filter, segment, and, analyze their data, without the in-depth technical knowledge in statistical analysis, business intelligence (BI).

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