Neudesic Technologies Interview Questions and Answers

Q1. Solid Principle, Design Patterns,
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Q2. React sharing data btw siblings without any state management.
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Q3. NodeJs is single threaded then why it feels concurrent?
Ans. 
Node.js is single-threaded but uses an event-driven model for concurrency, allowing multiple operations to run simultaneously.
• Node.js uses an event loop to handle asynchronous operations, allowing it to manage multiple tasks without blocking.

• I/O operations (like reading files or querying databases) are non-blocking, enabling other code to run while waiting for these tasks to complete.

• Callbacks, Promises, and async/awai...read more
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Q1. Questions related micro services
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Q2. Message queue related questions
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Q3. NodeJs related questions: Event loop
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I recently interviewed at Neudesic's Kochi office, where the first round was a written aptitude test. The test consisted of 15 questions, but surprisingly, one of the questions was incorrect. The instructors informed us to disregard that particular question.

After completing the test, they collect the sheets and exchange with other candidates for review. The instructors then collected the papers, but here's the puzzling part: they only considered papers with 9 or more correct answers, without even reviewing the remaining papers.

I'm still unsure about the logic behind having candidates review each other's papers. I'm confident that I scored 9 or above, but unfortunately, I didn't clear the exam. It's possible that I made a mistake or the person reviewing my paper mischecked my answers.

Regardless, the experience was certainly memorable, not in a positive way.

Medium level of coding questions.

Q1. About azure data factory
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Q2. How to copy multiple csv into single file
Ans. 
Use a command line tool like cat to concatenate multiple CSV files into a single file
• Use the cat command in the terminal to concatenate multiple CSV files into a single file

• Navigate to the directory where the CSV files are located

• Run the command 'cat file1.csv file2.csv > combined.csv' to merge file1.csv and file2.csv into a new file named combined.csv
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Q1. What is hdinsights in azure data factory
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HDInsight is a cloud-based service in Azure that makes it easy to process big data using Apache Hadoop, Spark, and other tools.
• HDInsight is a fully managed cloud service that makes it easy to process big data using open-source frameworks like Apache Hadoop, Spark, and more.

• It allows you to create, scale, and monitor Hadoop clusters in Azure.

• HDInsight integrates with Azure Data Factory to provide data orchestration and ...read more
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Q2. How to perform data copy in azure
Ans. 
Data copy in Azure can be performed using Azure Data Factory or Azure Storage Explorer.
• Use Azure Data Factory to create data pipelines for copying data between various sources and destinations.

• Use Azure Storage Explorer to manually copy data between Azure storage accounts.

• Utilize Azure Blob Storage for storing the data to be copied.
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Q1. Expectations in the company
Ans. 
I expect a collaborative environment that fosters growth, innovation, and the opportunity to work on impactful data projects.
• Opportunities for professional development, such as workshops and training sessions.

• A culture of collaboration where team members share knowledge and support each other.

• Engagement in challenging projects that allow me to apply my skills and learn new technologies, like cloud data solutions.

• Clear ...read more
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Q2. Ctc and relevant stuff
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It is on paper mcq based test consisting of 15 questions of easy to medium level and time duration 20 min

Its not full pledged coding round just pseudo code need to write on paper and explain it. Based on the explanation they validate to next question if he/she fails to explain problem they are out of race