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BT Business Data Quality Analyst Interview Questions and Answers
BT Business Data Quality Analyst Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed before Mar 2019. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. My resume was fully scanned and all the Technologies that I have worked on were asked to me in detail.
- Q2. SQL, Salesforce queries, MS Excel formulas
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Selected
I applied via Walk-in and was interviewed in Oct 2024. There was 1 interview round.
(5 Questions)
- Q1. What is sql about different
- Ans.
SQL is a language used for managing and querying databases.
SQL stands for Structured Query Language
It is used to communicate with databases to retrieve, update, and manipulate data
SQL can be used to create, modify, and delete database tables and records
Common SQL commands include SELECT, INSERT, UPDATE, DELETE
- Q2. What is data mining
- Ans.
Data mining is the process of discovering patterns and relationships in large datasets.
Data mining involves extracting useful information from large datasets
It uses various techniques such as machine learning, statistics, and database systems
Examples include market basket analysis, anomaly detection, and clustering
- Q3. What is a data visualization
- Ans.
Data visualization is the graphical representation of data to help people understand the significance of data by placing it in a visual context.
Data visualization helps in identifying trends, patterns, and outliers in data
It makes complex data more understandable and accessible
Examples include charts, graphs, maps, and dashboards
- Q4. What is a data analysis
- Ans.
Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information, draw conclusions, and support decision-making.
Data analysis involves examining raw data to find patterns, trends, and insights.
It includes cleaning and organizing data to ensure accuracy and reliability.
Statistical techniques and tools are often used to analyze data and make predictions.
Data analysis he...
- Q5. What is a Power bi
- Ans.
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
Power BI is a data visualization tool used to create interactive reports and dashboards
It allows users to connect to multiple data sources, clean and transform data, and create visualizations
Users can share their reports and dashboards with others, and collaborate in real-time
Power BI integ...
Skills evaluated in this interview
Data Scientist Interview Questions & Answers
Colt Technology Services
Anonymous
posted on 28 Oct 2024
Selected
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. What is the difference between Monolithic and microservice architecture?
- Ans.
Monolithic architecture is a single-tiered software application where all components are tightly coupled, while microservice architecture is a distributed system where each component is loosely coupled and independently deployable.
Monolithic architecture is a single, indivisible unit, while microservice architecture is composed of small, independent services.
In monolithic architecture, all components share the same cod...
- Q2. How GENAI is going to solve the Telecom pain points?
- Ans.
GENAI will use advanced data analytics to identify and address pain points in the telecom industry.
Utilizing machine learning algorithms to analyze customer data and predict churn rates
Implementing predictive maintenance to reduce network downtime
Optimizing network performance through data-driven insights
Personalizing customer experiences through targeted marketing strategies
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
Hybrid Work 90 sec to speak
(1 Question)
- Q1. Related to resume and experience
Analysis using scrapping
Selected
I applied via Approached by Company and was interviewed in Nov 2023. There were 4 interview rounds.
(1 Question)
- Q1. Tell about yourself Previous Experience Mindset check
(1 Question)
- Q1. Advanced excel Pivot Table Nested Formulae Vlookup Tax calculation Tableau Basics PowerBI Basics
(1 Question)
- Q1. HRBP - Fitment check
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. String reverse without using loop
- Ans.
Reverse a string without using a loop.
Use the built-in string manipulation functions in your programming language.
Convert the string to an array of characters, reverse the array, and then convert it back to a string.
Use recursion to reverse the string by swapping the first and last characters.
- Q2. Finding an equilibrium point in an array
- Ans.
Finding an equilibrium point in an array
An equilibrium point is a position in an array where the sum of elements on the left is equal to the sum of elements on the right
Iterate through the array and calculate the sum of elements on the left and right of each position
If the sums are equal, return the position as the equilibrium point
If no equilibrium point is found, return -1
Skills evaluated in this interview
Selected
I applied via campus placement at Lokmanya Tilak College of Engineering, Navi Mumbai and was interviewed in Oct 2023. There were 2 interview rounds.
DQL,DDL,DML Visualisation in Tableau
Section 370 Right or Wrong
Interview Preparation Tips
- Sql
- Python
- Java
- Power bi
- Tableau
- Excel
Selected
I applied via Job Portal and was interviewed in May 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Java program html objective oriented
- Q2. Self introduction
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Nov 2022. There were 3 interview rounds.
Linguistic assignment, three tasks connected with a job.
(2 Questions)
- Q1. 1 st language test in english (phone), questions stricly related to the job offer
- Q2. Do you mind monotonous job? Are you detail oriented? Do you know what AI is?
(1 Question)
- Q1. How did i learn german? Where i see myself in 5 years?
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