Tiger Analytics Interview Questions and Answers

Q1. Project description
Ans. 
Developed a data analysis project to optimize marketing strategies for a retail company.
• Utilized customer segmentation techniques to identify target demographics

• Analyzed sales data to determine the most effective marketing channels

• Implemented A/B testing to measure the impact of different marketing campaigns
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Q2. Architecture diagram of project
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The architecture diagram of the project showcases the overall structure and components of the system.
• The architecture diagram typically includes components like servers, databases, APIs, and client applications.

• It shows how these components interact with each other and the flow of data within the system.

• Commonly used tools for creating architecture diagrams include Microsoft Visio, Lucidchart, and draw.io.
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Q1. In depth machine learning questions
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Q2. A python coding round
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Q1. In depth questions about python programming language
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Q2. Discussed about company
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Q1. Salary expectations
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Q1. Previous Projects
Ans. 
I have worked on various machine learning projects, including predictive modeling and natural language processing applications.
• Developed a predictive model for customer churn using Python and scikit-learn, achieving an accuracy of over 85%.

• Implemented a sentiment analysis tool for social media data using NLP techniques, which helped in understanding customer feedback.

• Created a recommendation system for an e-commerce pl...read more
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Q2. Technical Knowhow
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Q3. Questions related to Model Deployment
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Q4. Questions related to model training and optimization
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Q5. ZQuestions related to Azure
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Some questions related to the File Handling, NLP Pipeline, Model Deployments

Q1. Questions on java , spring boot , containarisation tools, coding, SOLID principles
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5 coading questions were asked in it

Q1. Manegerial round
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Q1. Introduce yourself
Ans. 
I am a DevOps Engineer with 5 years of experience in automating, optimizing, and monitoring software development processes.
• 5 years of experience in DevOps

• Proficient in automating software development processes

• Skilled in optimizing and monitoring systems

• Strong knowledge of CI/CD pipelines

• Experience with tools like Jenkins, Docker, Kubernetes
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Q2. Write a CI/CD Pipeline code for a 3 tier application
Ans. 
A CI/CD Pipeline code for a 3 tier application
• Use a version control system like Git to store the application code

• Set up a CI tool like Jenkins to automate the build process

• Define stages in the pipeline for building, testing, and deploying each tier of the application

• Leverage tools like Docker for containerization and Kubernetes for orchestration

• Implement automated testing at each stage to ensure code quality and reliab...read more
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Q3. Difference between NSG and ASG
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NSG stands for Network Security Group and is used to control inbound and outbound traffic to Azure resources. ASG stands for Availability Set Group and is used to ensure high availability of virtual machines.
• NSG controls traffic by setting rules for inbound and outbound traffic based on source and destination IP addresses, ports, and protocols.

• ASG groups virtual machines together to ensure high availability by distribu...read more
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Q1. Basic ML questions based on your project, python basic questions
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Basic python questions on pandas,numpy, and basic SQL questions on windows function like lag

Q1. Selenium project realtime questions like handling Dynamic web elements
Ans. 
Handling dynamic web elements in Selenium requires strategies like explicit waits and unique locators.
• Use Explicit Waits: Implement WebDriverWait to wait for elements to become visible or clickable.

• Example: WebDriverWait(driver, 10).until(ExpectedConditions.visibilityOfElementLocated(By.id('dynamicElement')));

• Utilize Unique Locators: Identify elements using unique attributes like ID, class, or custom attributes.

• Example...read more
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Q2. SQL query for joining
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SQL query for joining tables to retrieve data from multiple related tables.
• Use JOIN keyword to combine rows from two or more tables based on a related column between them.

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
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Q3. Java program for oops concepts
Ans. 
Java program showcasing OOPs concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Create classes representing different entities with properties and methods

• Use inheritance to create a parent-child class relationship

• Demonstrate encapsulation by setting private variables and using getter and setter methods

• Show polymorphism by overriding methods in child classes

• Implement abstraction by creating abstract...read more
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Q4. Writing Xpath for any page
Ans. 
Xpath is a query language used to locate elements on a web page based on their attributes and structure.
• Identify unique attributes of the element you want to locate

• Use the '//' operator to search for elements anywhere in the document

• Use the '[@attribute='value']' syntax to specify the attribute and value you are looking for

• Combine multiple conditions using 'and' or 'or' operators

• Use functions like 'contains()', 'starts...read more
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Q5. High level test scenarios
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It was difficult and was on hackerrank

Q1. How to find a largest number in a list without using inbuilt function
Ans. 
Iterate through the list and compare each element to find the largest number.
• Iterate through the list using a loop

• Compare each element with a variable storing the current largest number

• Update the variable if a larger number is found
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