Hasura Technical Support Engineer Interview Questions and Answers

Dsa. , oops and basics of database management

Q1. System design questions basics
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Q2. Hiring managers questions
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Q1. Largest island (graph question)
Ans. 
Find the largest connected component in a grid representing islands using graph traversal techniques.
• Use Depth-First Search (DFS) or Breadth-First Search (BFS) to explore the grid.

• Count the size of each island by marking visited cells.

• Example: In a 2D grid, '1' represents land and '0' represents water.

• Keep track of the maximum size encountered during traversal.
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Q2. SQL question related to joins
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Q1. About the databases and questions from system design
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Q1. Questions based on concurrency , suitable databases HLD,LLD,book my show design
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Q1. Salary discussion
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There were 3 questions, which I had to do in 2 hours.
the questions were from arrays and Strings

Q1. They asked me concepts on OOPS and OS, also coding question on strings. all these were basic questions
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Q1. Questions such as where do you see yourself in coming years, interests and hobbies.
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Q1. DP related problems.
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Q2. Networking related questions
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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Q1. Implement cache in the given architecture where read and write both are pretty frequent. What are the cache eviction mechanisms and which one should we follow here ?
Ans. 
Implementing a cache with efficient eviction mechanisms for frequent read/write operations.
• Cache eviction mechanisms include LRU (Least Recently Used), LFU (Least Frequently Used), and FIFO (First In, First Out).

• LRU evicts the least recently accessed items, making it suitable for workloads with temporal locality.

• LFU evicts the least frequently accessed items, ideal for scenarios where certain data is consistently acces...read more
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Q2. Rotten oranges - leetcode graph question
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Q1. Linux basic Commands, Network Command, Jira , fresh desk
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Analytics based case given. Simple to moderate

Q1. Intro Why Joveo Past work experience Job details Guesstimate
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