Setu Senior Devops Engineer Interview Questions and Answers

Q1. Normal java and sql question
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Q1. Sping boot and microservice
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It was about DS Algo and Java garbage collection,multithreading

Q1. Low level design of rate limiter
Ans. 
Rate limiter is a system that controls the rate of traffic sent or received by a network interface.
• Implement a token bucket algorithm to track and limit the rate of requests

• Use a sliding window algorithm to track the number of requests within a specific time frame

• Consider using a distributed rate limiter for scalability and fault tolerance
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Q2. Springboot basics, java basics, future interfaces, basic sql queries
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Q1. Questions based on DSA
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Q1. Java specific Interview
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Q1. Hiring Manager Interview
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Hackerrank questions

Q1. Coding through screen sharing
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Q1. Discussion on previous projects
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Q1. Behavioural analysis
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Q1. Behavioural questions and discussions
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Q1. Design Rate Limiter LLD
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Q2. What are SOLID Principles? Springboot questions
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Questions on alogirithm analysis

Data structures and algo. 2 ques were asked in hackerrank

Q1. Questions related to System design
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Q1. Basic question related to Spring and Java
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Q1. Design a in-memory cache
Ans. 
Design a high-performance in-memory cache system for storing and retrieving data efficiently.
• Use a hash table or a key-value store to store data in memory

• Implement caching strategies like LRU (Least Recently Used) or LFU (Least Frequently Used) to manage cache eviction

• Consider using a distributed cache for scalability and fault tolerance

• Optimize cache size and expiration policies based on the application's data access
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