Oracle Interview Questions, Process, and Tips

Q1. Write polyfill for array map
Ans. 
Polyfill for array map function in JavaScript
• Create a function called myMap that takes a callback function as an argument

• Loop through the array and apply the callback function to each element

• Return a new array with the results of the callback function applied to each element
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Q1. Design and explain ext file system
Ans. 
Ext file system is a widely used file system in Linux for organizing and managing files on storage devices.
• Ext stands for Extended File System

• Supports features like journaling, access control lists, and extended attributes

• Uses inodes to store metadata about files and directories

• Supports different block sizes for efficient storage allocation
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Q2. A question about networking and cryptography
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A problem on dynamic programming

3 coding questions were asked and they were leetcode medium to hard level

Q1. Introduction about myself and my education
Ans. 
I am a highly motivated SDET Engineer with a strong educational background in computer science.
• Graduated with a Bachelor's degree in Computer Science

• Completed multiple courses in software testing and quality assurance

• Participated in internships where I gained hands-on experience in test automation

• Continuously learning and staying updated on the latest technologies in the field
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Q2. Deep discussions about my projects
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Q1. What was your role in your previous company?
Ans. 
I served as a Principal Consultant, leading strategic projects and driving client success through innovative solutions and expert guidance.
• Led a team of consultants to deliver high-impact projects for clients in various industries, enhancing operational efficiency.

• Developed and implemented strategic plans that resulted in a 30% increase in client satisfaction scores over two years.

• Conducted workshops and training sessi...read more
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Q1. What was your previous compensation?
Ans. 
My previous compensation was competitive, reflecting my experience and contributions to the organization.
• Base salary: $120,000 annually, which was aligned with industry standards for my role.

• Performance bonuses: Received up to 15% of my base salary based on quarterly performance metrics.

• Equity options: Participated in a stock option plan that provided additional long-term incentives.

• Benefits: Comprehensive health insur...read more
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Leetcode medium problems

Q1. System design questions
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This round was a culture fit round

Q1. Invoice creation
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Q2. P2P Cycle explanation
Ans. 
P2P cycle involves the process of procuring goods or services from a supplier.
• P2P stands for Procure to Pay cycle

• It includes steps like requisition, purchase order, goods receipt, invoice receipt, and payment

• Ensures proper controls and compliance with company policies

• Integration with suppliers and financial systems is crucial
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