Persistent Systems Interview Questions, Process, and Tips

Aptitude, Technical MCQs

Q1. Question on arrays
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Q2. Discussion about projects
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Q3. Calculator Program
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Q1. Tell me about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in developing web applications
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Q2. Which technology are you interested to work in
Ans. 
I am interested in working with artificial intelligence and machine learning technologies.
• Artificial Intelligence

• Machine Learning

• Natural Language Processing

• Computer Vision
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Q1. Tell me something about yourself
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I am a dedicated and detail-oriented professional with a background in business analysis and product ownership.
• Experienced in gathering and analyzing business requirements

• Skilled in creating user stories and prioritizing product backlog

• Strong communication and collaboration skills

• Certified in Agile methodologies such as Scrum or Kanban
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Q2. Questions on project
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Q3. What is user story
Ans. 
A user story is a concise description of a feature told from the perspective of the end user.
• Describes the desired functionality from the user's point of view

• Written in non-technical language

• Follows a specific format: As a [role], I want [feature], so that [benefit]

• Used in Agile development to capture requirements
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Q4. Difference between role of BA and PO
Ans. 
BA focuses on analyzing business needs and requirements, while PO focuses on defining product features and priorities.
• BA works closely with stakeholders to gather and analyze requirements

• PO defines product features, prioritizes them, and works closely with development team

• BA focuses on understanding business processes and identifying areas for improvement

• PO ensures that the product meets the needs of the stakeholders a
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Q5. Scrum Ceremonies
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Q6. Questions on data management
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Q7. Scenario based questions
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Q1. Related to Manual and Automation Testing
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Q2. Related to Salesforce Testing
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Q1. Questions related to Salesforce Testing and Manual Testing
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Q2. Real time scenarios and work done in previous
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Q1. Discussion on salary
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Q2. Discussion on terms and conditions
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Q1. What is a comparator?
Ans. 
A comparator is a function that compares two objects to determine their ordering.
• Used in sorting algorithms to determine the order of elements

• Returns a negative value if the first object is less than the second, zero if they are equal, and a positive value if the first object is greater

• Commonly used in Java with the Comparator interface
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Q2. What is reentrant lock?
Ans. 
A reentrant lock is a synchronization primitive that allows a thread to re-enter a critical section it already holds.
• Prevents deadlock by allowing a thread to acquire the lock multiple times

• Each lock acquisition must be followed by a corresponding release

• Commonly used in multi-threaded programming to protect shared resources
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