CVM Solutions HR Recruiter Interview Questions and Answers

The first round was DSA round and they gave 2 DSA Questions.

It was an online test where you to solve two basic programming problems.

It was a GD where 21 other candidates were present alongside me. The interviewer asked basic questions which we had to answer after raising our hands. It was on fcfs basis. The questions were mostly about basics OOPs concepts, arrays, linkedlist, tree, sorting, searching and time-space complexities. The difficulty of GD round is nominal. All you have to response first and clearly.

Q1. OOPs Concepts and Java
Ans. The technical round was held in Office face to face. I was given 3 coding problems of which I was able to solve 2 problems. After that I was asked to write a program for linkedlist. After that the interviewer asked me some basic questions about OOPs and basic code structure in Java(because I was coding in Java). Make sure you have knowledge of everything which is included in any basic program including keywords, import
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Q1. Tell me about yourself? What are your expectations? Any doubts regarding the job?
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Q2. It more of a discussion about what happens next. If you giving the HR round that means you're selected for the job
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There was 2 Case Study Questions

The Group Discussion round was basically to analyze the analytical skills .
Firstly , They asked to Introduce
Then some situational questions were asked.

Q1. This was final round to check confidence and basic general knowledge.
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Q2. Questions based on key skills candidate have.
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Q1. What is the difference between classes and struct
Ans. 
Classes are reference types while structs are value types.
• Classes support inheritance while structs do not.

• Classes have default access modifier as internal while structs have it as private.

• Classes have a destructor while structs do not.

• Classes are allocated on heap while structs are allocated on stack.

• Classes can be null while structs cannot.
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Q2. Dispatch Queue vs operations
Ans. 
Dispatch Queue is a thread-safe way to execute tasks asynchronously, while Operations are a way to encapsulate tasks.
• Dispatch Queue is a high-level API for managing concurrent operations.

• Operations are objects that encapsulate a single task or multiple tasks.

• Dispatch Queue is simpler to use and recommended for most use cases.

• Operations provide more control over task dependencies and cancellation.

• Both can be used togeth
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It was medium level aptitude . but still many of the students didn't qualify that.
qualify criteria was around 50% marks in aptitude test.
20 questions in 30 minutes

2 coding questions of medium level from leetcode
1. inplace 90 degree matrix rotation
2. longest substring

it was on a paper , not an online mode

General gd round , mainly to check communication

Q1. Oops medium data structure sql questions
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It was good. We were given two situation for which we have to find the solutions.

In this round companies offical started asking about the happening around us and their reasons.

Q1. How do you approach debugging a complex issue in a large codebase with minimal documentation?
Ans. 
Approach debugging by understanding the code flow, using debugging tools, isolating the issue, and testing solutions.
• Start by understanding the code flow and identifying potential areas where the issue may be occurring.

• Use debugging tools like breakpoints, logging, and stack traces to pinpoint the source of the problem.

• Isolate the issue by reproducing it consistently and narrowing down the scope of the problem.

• Test pot...read more
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Q2. Describe a situation where you had to refactor existing code to improve performance or maintainability. What challenges did you face, and how did you overcome them?
Ans. 
Refactored a legacy codebase to improve performance by optimizing database queries.
• Identified bottlenecks in the codebase by profiling and analyzing performance metrics.

• Rewrote complex and inefficient database queries to improve response times.

• Implemented caching mechanisms to reduce redundant database calls.

• Refactored code to follow best practices and improve maintainability.

• Tested the changes thoroughly to ensure the
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Q3. How do you ensure your code is both efficient and scalable when working under tight deadlines? Can you provide an example?
Ans. 
By prioritizing tasks, using efficient algorithms, and conducting code reviews.
• Prioritize tasks based on impact and complexity to focus on critical components first.

• Utilize efficient algorithms and data structures to optimize code performance.

• Conduct code reviews with team members to identify potential bottlenecks and suggest improvements.

• Example: Prioritize implementing a caching mechanism for frequently accessed data
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Q4. Explain how you would handle a situation where your preferred solution to a problem conflicts with the opinion of a senior team member or client.
Ans. 
I would approach the situation by respectfully discussing the pros and cons of both solutions and finding a compromise.
• Listen to the senior team member or client's perspective and understand their reasoning

• Present your preferred solution along with the reasons why you believe it is the best approach

• Engage in a constructive discussion to find common ground or a compromise

• Consider the impact of each solution on the proje...read more
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Q5. What is your process for staying updated with the latest programming languages, frameworks, and technologies relevant to your role?
Ans. 
I regularly attend tech conferences, read industry blogs, participate in online courses, and collaborate with colleagues to stay updated.
• Attend tech conferences to learn about new technologies and trends

• Read industry blogs and articles to stay informed

• Participate in online courses and tutorials to expand knowledge

• Collaborate with colleagues to share insights and learn from each other
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Q6. How do you manage dependencies and third-party libraries in your projects to avoid potential security or compatibility issues?
Ans. 
I use package managers, regularly update dependencies, and conduct security audits.
• Utilize package managers like npm, pip, or Maven to manage dependencies

• Regularly update dependencies to ensure compatibility and security patches

• Conduct security audits using tools like OWASP Dependency-Check or Snyk

• Consider using dependency locking to ensure consistent builds
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Q7. Describe a time when you had to implement a feature that required learning a new technology or framework on the job. How did you approach the learning curve?
Ans. 
I implemented a new feature using React Native and had to learn the framework on the job.
• Researched online resources and documentation to understand React Native

• Experimented with small projects to practice using React Native

• Sought help from colleagues or online communities when facing challenges
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Q8. Can you walk us through a time when you identified a potential bottleneck in a system before it became a problem? How did you address it?
Ans. 
Identified and addressed a potential bottleneck in a system before it became a problem.
• Monitored system performance regularly to identify any potential bottlenecks

• Analyzed system logs and metrics to pinpoint the root cause of the bottleneck

• Implemented optimizations such as caching, indexing, or code refactoring to address the bottleneck

• Collaborated with team members to implement a long-term solution to prevent similar
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Q9. How do you prioritize and manage multiple tasks or projects when they all seem equally important?
Ans. 
I prioritize tasks based on deadlines, impact, and dependencies, and use tools like to-do lists and project management software.
• Evaluate deadlines and prioritize tasks that are due soon

• Consider the impact of each task on the overall project or team goals

• Identify dependencies between tasks and prioritize accordingly

• Use tools like to-do lists, project management software, or time-blocking techniques to stay organized

• Regu
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Q10. What strategies do you use to ensure that your code is both clean and well-documented for future developers who may work on it?
Ans. 
I use consistent naming conventions, inline comments, and thorough documentation to ensure clean and well-documented code.
• Follow consistent naming conventions for variables, functions, and classes to make the code easier to understand.

• Include inline comments to explain complex logic or algorithms within the code.

• Write thorough documentation for each function, class, and module to provide context and usage instructions ...read more
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Q11. How would you approach integrating a new feature into an existing system without disrupting the current functionality? Can you provide an example from your past experience?
Ans. 
Approach integrating new feature into existing system without disruption
• Analyze the existing system to understand its architecture and dependencies

• Identify the impact of the new feature on the current functionality

• Implement the new feature in a separate branch or environment for testing

• Conduct thorough testing to ensure the new feature works as expected and does not break existing functionality

• Gradually integrate the n...read more
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