Infogain Interview Questions, Process, and Tips for Experienced

Q1. Diffing algorithm
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Diffing algorithm is used to compare two sets of data and identify the differences between them.
• Diffing algorithms are commonly used in version control systems to track changes in code.

• They compare two sets of data and identify additions, deletions, and modifications.

• Examples of diffing algorithms include Myers' diff algorithm and the patience diff algorithm.
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Q1. OOPS concept of java
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OOPS concept of Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation detail...read more
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Q1. Selenium webdriver
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Q1. Process of selecting the framework
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The process of selecting a framework involves evaluating requirements, researching available options, conducting proof of concepts, and considering factors like scalability, maintainability, and community support.
• Understand project requirements and constraints

• Research available automation frameworks

• Conduct proof of concepts to evaluate framework suitability

• Consider factors like scalability, maintainability, and communi...read more
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Q1. Mulesoft support
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Q2. Mantain and managing application
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Q1. How to troubleshoot and debugging
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Troubleshooting and debugging involves identifying and resolving issues in software or systems.
• Identify the problem by gathering information and reproducing the issue

• Use debugging tools like logs, breakpoints, and profilers to pinpoint the issue

• Isolate the root cause of the problem and develop a plan to fix it

• Implement the solution and test to ensure the issue is resolved

• Document the troubleshooting process and solutio
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Q1. Tell me about yourself
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I am a dedicated Test Engineer with a strong background in software testing and quality assurance.
• Experienced in creating test plans, test cases, and executing tests

• Proficient in using testing tools such as Selenium, JIRA, and TestRail

• Skilled in identifying and documenting software defects

• Strong analytical and problem-solving skills

• Excellent communication and teamwork abilities
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Q2. Tell me about your experience
Ans. 
I have 5 years of experience in software testing, specializing in automation testing using tools like Selenium and JUnit.
• 5 years of experience in software testing

• Specialize in automation testing using Selenium and JUnit

• Experience in creating test cases, executing tests, and reporting bugs

• Familiar with Agile development methodologies

• Strong analytical and problem-solving skills
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1. Palindrome
2. convert dictionary to data frame using pandas

Q1. Explain GCP dataflow
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GCP Dataflow is a fully managed service for processing and analyzing streaming and batch data.
• GCP Dataflow allows for parallel processing of data in real-time or batch mode

• It automatically optimizes and scales the processing resources based on the workload

• Dataflow pipelines can be written in Java, Python, or Apache Beam SDK

• It integrates with other GCP services like BigQuery, Pub/Sub, and Datastore
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Q2. What is materialised view
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A materialized view is a database object that contains the results of a query and is stored as a table for faster access.
• Materialized views store the results of a query and can be refreshed periodically.

• They are used to improve query performance by pre-computing and storing the results.

• Materialized views are especially useful for complex queries that involve aggregations or joins.

• They can be refreshed manually or autom...read more
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Q1. Related to market research
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Q1. People management
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