OpsVeda Member Technical Staff Interview Questions and Answers

Q1. Basic questions on data structures
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Q1. Related to resume and some technical basic questions about projects
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Q1. Resume and Technical questions
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Q1. Difference between session and workflow in informatica
Ans. 
Session is a unit of work that extracts, transforms and loads data. Workflow is a collection of sessions that run in a specific order.
• Session is a single task that performs ETL operations on data

• Workflow is a collection of sessions that are executed in a specific order

• Sessions can be reused in multiple workflows

• Workflows can have multiple sessions

• Sessions can have multiple tasks

• Workflows can have multiple sessions with
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Q2. Explain about source qualifier
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Source qualifier is a transformation in Informatica used to filter, join or modify data from source tables.
• Source qualifier is used in mapping to extract data from source tables

• It can be used to filter, join or modify data before passing it to target

• It can be used to define the SQL query to extract data from source

• It can be used to define the order in which data is extracted from source
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Q1. Asked few questions in C and Python
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Q2. C basics and more about pointers and python basics
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Q3. AWS basic questions
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Q1. Projects and questions about AWS cloud
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Q1. Salary discussion and location
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General aptitude questions

Q1. C programming questions
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Q2. Technical discussion
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Q1. Why we hire you
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I have the technical skills, experience, and passion to contribute effectively to the team and help achieve company goals.
• Strong technical skills in relevant areas

• Proven track record of success in previous roles

• Passion for the work and dedication to continuous learning and improvement
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Questions on Time and distance

Q1. STRESS strain curve
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Q2. Questions on fem
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Q3. Questions on som
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Q4. Questions on meshing
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Q5. Questions on skills
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Q1. How to perform string reverse
Ans. 
To perform string reverse, we can use built-in functions or loop through the string and swap characters.
• Use built-in functions like reverse() in Python or StringBuilder.reverse() in Java

• Loop through the string and swap characters from both ends until the middle is reached

• Convert the string to an array, reverse the array, and then convert it back to a string
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Q2. Explain oops concepts
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OOPs concepts are the principles of Object-Oriented Programming that help in designing and implementing software systems.
• Encapsulation - bundling of data and methods that operate on that data

• Inheritance - ability of a class to inherit properties and characteristics from a parent class

• Polymorphism - ability of objects to take on multiple forms or behaviors

• Abstraction - hiding of complex implementation details and showin...read more
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Mostly engineering questions only they ask

Q1. About the project you done in engineering
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