Tejas Networks Data Analyst Interview Questions and Answers

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Q1. Related to resume and experience
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Analysis using scrapping

Q1. Tell about yourself Previous Experience Mindset check
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Q1. Advanced excel Pivot Table Nested Formulae Vlookup Tax calculation Tableau Basics PowerBI Basics
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Q1. HRBP - Fitment check
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Q1. Java program html objective oriented
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Q2. Self introduction
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Q1. What is the difference between Monolithic and microservice architecture?
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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...read more
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Q2. How GENAI is going to solve the Telecom pain points?
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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
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Q1. String reverse without using loop
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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.
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Q2. Finding an equilibrium point in an array
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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
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Q1. What is sql about different
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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
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Q2. What is data mining
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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
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Q3. What is a data visualization
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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
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Q4. What is a data analysis
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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...read more
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Q5. What is a Power bi
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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...read more
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Q1. Technical assigment in excel, vlookup, pivot table, power Query
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