Naptico Services Interview Questions, Process, and Tips

A question that is both tricky and simple.

Q1. Questions about biochemistry
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Questions based on both numerical data and case studies.

Q1. Can you tell me about yourself?
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Q2. What interests you in working for this company?
Ans. 
I am interested in working for this company because of its innovative projects and strong reputation in the industry.
• Innovative projects that challenge me to grow as a programmer

• Strong reputation in the industry for quality work

• Opportunities for career advancement and professional development
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Q1. All employees having same salary in the smae department sql and pysprk
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Q2. How to create pipeline in databricks
Ans. 
To create a pipeline in Databricks, you can use Databricks Jobs or Apache Airflow for orchestration.
• Use Databricks Jobs to create a pipeline by scheduling notebooks or Spark jobs.

• Utilize Apache Airflow for more complex pipeline orchestration with dependencies and monitoring.

• Leverage Databricks Delta for managing data pipelines with ACID transactions and versioning.
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Q3. Palindrome, 2nd char in every word make is to upper case, sql rank and dense rank releated questions , given 2 tables country and city we need to calculate total population in each continent by joining the...read more
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Q4. String manuplation questions inpython
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Q1. What is an abstract class?
Ans. 
An abstract class is a class that cannot be instantiated and may contain abstract methods that must be implemented by its subclasses.
• Cannot be instantiated directly

• May contain abstract methods

• Used as a blueprint for other classes
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Q2. What is abstraction?
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Abstraction is the process of hiding complex details and showing only the essential features of an object or system.
• Abstraction allows us to focus on what an object does, rather than how it does it

• It helps in simplifying complex systems by breaking them down into smaller, more manageable parts

• Examples of abstraction include using a car without needing to understand its internal combustion engine, or using a smartphone
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Q3. Best sorting algo?time complexity of it?
Ans. 
QuickSort is one of the best sorting algorithms with an average time complexity of O(n log n).
• QuickSort is a divide and conquer algorithm that works by selecting a 'pivot' element and partitioning the array around the pivot.

• It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).

• Example: ['apple', 'banana', 'cherry', 'date', 'fig'] can be sorted using QuickSort.

• Example: ['3', '1', '4'...read more
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Q4. You have been provided a sorted list time complexity achieved after we apply bubble sorting
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Bubble sorting has a time complexity of O(n^2) for a sorted list.
• Bubble sorting has a worst-case time complexity of O(n^2) for a sorted list.

• The time complexity does not change even if the list is already sorted.

• Example: If we have a sorted list of size n, bubble sorting will still take O(n^2) time.
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Q1. Have you ever been to a state other than jharkhand?
Ans. 
Yes, I have been to multiple states other than Jharkhand.
• I have traveled to states like Maharashtra, Karnataka, and Tamil Nadu for work and leisure.

• I have visited tourist destinations in states like Rajasthan, Kerala, and Himachal Pradesh.

• I have family in states like Uttar Pradesh, Bihar, and West Bengal, which I have visited multiple times.
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It was an assessment test consisting of data structures and algorithms (DSA) and multiple-choice questions (MCQs).

Q1. 30 min Technical round. Question on Node js, React, and Javascript
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Q1. What were the in-depth concepts of Node, React, and JavaScript that were covered in the technical round?
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Q1. Final Technical Round cosist of Topics like System Design, Node js, React
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Q1. What is the Java code for reversing a linked list?
Ans. 
Reversing a linked list in Java using iterative approach.
• Create three pointers: prev, current, and next.

• Iterate through the list, updating pointers to reverse the links.

• Return the new head of the reversed list.
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Q2. How do you handle the StaleElementReferenceException in your code?
Ans. 
Handle StaleElementReferenceException by re-locating the element before interacting with it.
• Use try-catch block to catch StaleElementReferenceException

• Re-locate the element using findElement method before interacting with it

• Use WebDriverWait to wait for the element to become stale
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Q1. Can you describe your project experiences?
Ans. 
I have worked on various projects involving test automation, performance testing, and quality assurance processes.
• Developed automated test scripts using Selenium WebDriver for web applications

• Conducted performance testing using JMeter to identify bottlenecks and optimize system performance

• Implemented quality assurance processes to ensure software meets requirements and standards

• Collaborated with cross-functional teams ...read more
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Q2. What is your strategy for designing an automation framework?
Ans. 
My strategy for designing an automation framework involves identifying key functionalities, selecting appropriate tools, creating reusable components, implementing robust error handling, and integrating with CI/CD pipelines.
• Identify key functionalities to be automated based on priority and impact on testing.

• Select appropriate tools and technologies based on the application under test and team expertise.

• Create reusable ...read more
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Q1. Tell me about yourself?
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Q2. Tell me about your recent Project in Detail?
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Q3. What is the Diff between Parameters and Hyper Parameters?
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Q4. Can we use Logistic Regression for Multi Class Classification?
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Q5. What will happen if we will increase the value of K in KNN?
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Q6. If you have 50 GB of training data and you want to train your Neural Network on you Local 2 GB RAM, what will you do?
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Q7. What is imbalanced Data?
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