RBM Software Interview Questions and Answers

Q1. Printing Array from cyclic order starting from given index
Ans. 
Printing array from cyclic order starting from given index
• Use modulo operator to handle cyclic order

• Iterate through the array starting from the given index and print each element

• Wrap around to the beginning of the array if the index exceeds the array length
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Q2. Improving performance of Mongo DB
Ans. 
Improving performance of Mongo DB involves indexing, sharding, and optimizing queries.
• Create indexes on frequently queried fields to improve query performance

• Use sharding to distribute data across multiple servers for better scalability

• Optimize queries by using the explain() method to analyze query execution plans

• Avoid unnecessary data fetching by projecting only required fields in queries
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Q3. Writing Queries with Spring JPA
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General aptitude question 45 minutes, no coding asked.

Two coding questions after my introduction.