Mindfire Solutions Software Trainee Intern Interview Questions and Answers

Q1. My expertise are in golang. And all the questions were straight forward around golang.
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Q2. What is concurrency. How to check performance of applications. How to handle concurrency. How many no of goroutines can be created and so on.
Ans. 
Concurrency is the ability of a system to run multiple tasks simultaneously. Performance of applications can be checked using profiling tools. Concurrency can be handled using synchronization techniques like mutexes and channels.
• Concurrency allows multiple tasks to run concurrently, improving performance and responsiveness.

• Performance of applications can be checked using profiling tools like Go's built-in 'pprof' packa...read more
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Q1. How to make sure there are no vulnerabilities. What engineering principles you follow.
Ans. 
To ensure no vulnerabilities, follow secure coding practices, conduct regular security audits, use encryption, and stay updated on security threats.
• Follow secure coding practices such as input validation, output encoding, and parameterized queries.

• Conduct regular security audits to identify and address vulnerabilities in the code.

• Use encryption to protect sensitive data in transit and at rest.

• Stay updated on security t...read more
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Basic OOP questions for python programming language

Q1. What's abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
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Q2. What's the difference between SQL and NoSQL database
Ans. 
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
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Q2. Implement binary search algorithm
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
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Q1. Brief Introduction and basic questions
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Q2. Future plans and how am i going to achieve them
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Q1. Basics of SV- DA,EV,AT,SOAP UI, Functions and its types
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Q2. Some basic SQL queries
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Q1. Nothing important, just salary discussion and benefits
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It is noraml question

Basica questions for the coding

Q1. When can you join
Ans. 
I can join within 2 weeks of receiving an offer.
• I can start within 2 weeks of receiving an offer.

• My current notice period is 2 weeks.

• I am available to start immediately.
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Simple aptitude held online

Q1. Simple tech interview offline
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Q2. Oops,sql,queries,project
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Q1. Simple ame easy
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Q1. Basic details of company ?
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Q2. What is your family background and CTC expectation ?
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Q1. SQL queries for inner join and SQL commands in depth ?
Ans. 
SQL inner join combines rows from two or more tables based on a related column between them.
• Inner join retrieves rows from both tables that have matching values in the specified column

• Syntax: SELECT column_name(s) FROM table1 INNER JOIN table2 ON table1.column_name = table2.column_name

• Example: SELECT Orders.OrderID, Customers.CustomerName FROM Orders INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID
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Q2. Oops concepts and about company asked details ?
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Q1. SQL queries of select, create and delete statements?
Ans. 
SQL queries for select, create, and delete statements
• SELECT statement is used to retrieve data from a database table

• CREATE statement is used to create a new table in the database

• DELETE statement is used to remove rows from a table based on a condition
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Q2. Academic project related questions and situation based questions and ER diagram of academic project ?
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Q1. Tell us about company and why you want to join ?
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Q2. Rank the category from most important to less- stability, WFH, training, income, safety of job
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Q1. Tell us something about the company ?
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Q2. What you want to become after 5 years ?
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There was a aptitude Round along with coding questions

Q1. Tell me briefly about yourself
Ans. 
I am a software engineer with experience in developing and maintaining software applications.
• I have a Bachelor's degree in Computer Science

• I have worked on various projects using different programming languages such as Java, C++, and Python

• I am skilled in software development methodologies and have experience with Agile and Scrum

• I have strong problem-solving and analytical skills

• I am a quick learner and adapt easily to
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Q2. Why do you want to join IT sector though you are from electronics
Ans. 
I am passionate about both electronics and IT, and I believe that combining my knowledge in both fields will make me a valuable asset in the IT sector.
• I have a strong foundation in electronics, which includes knowledge of circuit design, microcontrollers, and signal processing.

• I have always been fascinated by the intersection of electronics and software development, and I have actively pursued projects that involve bot...read more
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Q3. Do you know SQL ?
Ans. 
Yes, I know SQL.
• I have experience writing SQL queries to retrieve and manipulate data from databases.

• I am familiar with basic SQL syntax and can write SELECT, INSERT, UPDATE, and DELETE statements.

• I have worked with various database management systems like MySQL, Oracle, and SQL Server.

• I understand concepts like table relationships, indexes, and normalization.

• I can use SQL to perform data analysis and generate reports.
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Q4. Explain your project
Ans. 
Developed a web-based inventory management system for a retail company
• Used HTML, CSS, and JavaScript for the frontend

• Implemented a RESTful API using Node.js and Express.js for the backend

• Utilized MongoDB as the database to store product information

• Implemented features like adding, updating, and deleting products

• Implemented user authentication and authorization for secure access

• Designed a responsive and user-friendly in
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