Innoval Digital Solutions Consultant Interview Questions and Answers

Golang questions on threads

Q1. Design Uber App using AWS infra ?
Ans. 
Uber App can be designed using AWS infra by leveraging services like EC2, S3, Lambda, API Gateway, RDS, and DynamoDB.
• Use EC2 instances to host the backend services and databases.

• Store user data and media files in S3 buckets.

• Utilize Lambda functions for serverless computing and event-driven architecture.

• Expose APIs through API Gateway for communication between different components.

• Use RDS for relational database managem
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Q2. How you handled the difficult situation with customer ?
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Q1. What you do? Description with analysis
Ans. 
I am a Java Developer responsible for designing, developing, and maintaining Java applications.
• Design and develop Java applications

• Write clean, efficient, and maintainable code

• Collaborate with team members to troubleshoot and solve technical issues
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Q1. Java,sql,python
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Q1. What is your goal
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Resolved problems related to number systems, percentages, ratios, proportions, time and work, time and speed, and solved various puzzles, among other topics.

Resolved programs based on numbers, including one easy, one medium, and one difficult program.

Q1. Questions on Java basics .and on oops.
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Q2. Questions on sql and quest based on resume
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Q1. Self introduction.
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Q2. What questions were asked regarding the company's policies, and how comfortable are you with the location, growth, and opportunities available?
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Code was of leetcode medium level.

Q1. Easy level DS code
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Q2. Question related to database
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Q1. Questions related to SQL
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Q2. Inner join of three tables
Ans. 
Inner join of three tables in SQL
• Use the JOIN keyword to combine three tables based on a common column

• Specify the columns to select from each table

• Use the ON keyword to specify the join condition
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Q3. What is cross join
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Cross join is a type of join operation in SQL that returns the Cartesian product of two tables.
• Cross join does not require any matching condition between the tables.

• It combines each row from the first table with every row from the second table.

• Cross join can result in a large number of rows if the tables are big.

• Example: SELECT * FROM table1 CROSS JOIN table2;
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Ds and algos interview

Language coding round with LLD and HLD

Q1. Managerial round with system architecture and design
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General aptitude test with math and logic related questions. there were also coding questions which were given more weightage than the other questions.

Q1. Standard linked list questions like finding the middle of a linked list, checking if the linked list is a loop etc
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Q2. Max heap related questions.
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Q1. This interview was mostly math related questions. for eg: prove if a number is irrational.
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