Zopsmart Technology Interview Questions, Process, and Tips

2 coding questions .
topics were array and string

Q1. 2D array question and a linkedlist question (find the middle element of the list)
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Q2. Dbms questions like keys ,normalization, acid properties, types of network layer , deadlock in os
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Q1. Detect loop in a linkedlist
Ans. 
Use Floyd's Tortoise and Hare algorithm to detect loop in a linked list.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps.

• If they meet at any point, there is a loop in the linked list.
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Q2. SQL queries basic level .
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Q1. Oops questions like inheritance and interface
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Q2. Sql queries from leetcode hard level
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Consist 3 coding questions medium level

Q1. Asked about java concept
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Q2. Sql query basics
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Q1. Asked medium to advance level oops java concept
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Q2. Deep discussion over project
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Q1. Hard level linked list questions
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Q2. Advanced level sql query
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Two coding question were asked of medium level.

Q1. Interviewer was friendly and asked DSA related question
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Q1. Advance level round where DSA level was increased.
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Q1. Last F2F round .
Ans. 
The last face-to-face round of the interview process.
• Prepare to discuss your experience and skills in more detail.

• Be ready to answer any final questions the interviewer may have.

• Show enthusiasm and interest in the position and company.

• Ask about next steps in the hiring process.

• Thank the interviewer for the opportunity.
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Q1. Questions on DSA were asked by the interviewer at first.
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Q2. Some theoretical questions from DBMS and oops and also asked to write some SQL queries.
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Q1. This round was also similar to the first technical round at first given a DSA question.
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Q2. After that I was asked to write some SQL queries and also questions from resume were asked.
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Q1. This was managerial round which was was offline in person interview. At first he asked sone basic DBMS and oops questions.
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Q2. Then gave me a question and asked me to write a complex SQL query.
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Q1. Tell me about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Worked on developing web applications
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Q2. Brief about existing project
Ans. 
The existing project is a web application for online shopping.
• The project uses React for the front-end and Node.js for the back-end.

• It integrates with a payment gateway for processing transactions.

• The project includes features like user authentication, product search, and order tracking.
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Q3. Coding question to revert the sentence
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Q4. SQL query for fetching some info
Ans. 
SQL query to fetch specific information from a database
• Use SELECT statement to specify the columns you want to retrieve

• Use FROM clause to specify the table from which to retrieve the data

• Use WHERE clause to add conditions for filtering the data

• Use JOIN clause to combine data from multiple tables if needed
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Aptitudes on operating system, code snippets

Q1. Binary tree recursion
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Q2. Linked list reverse
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Q1. Sql based commands
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Q2. Java based classed and objecfs
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