VVDN Technologies Senior Technical Lead Interview Questions and Answers

Hacker Rank test, problem solving. Java 8

Q1. Java 8 feature related questions.
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Q2. Jvm architecture and memory management
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Q3. Sql self join query and query tuning
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Q4. Spring boot microservices design pattern discussion
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Q1. Problem solving based on java and case study
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Q2. Team handling and management skills
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Q3. Docker and Orchetratetion framework
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Q4. Aws cloud and cicd and related technologies
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Q1. Core java interview ques time
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Q2. All questions were simple
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Q1. Skills overview and technical questions
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Q1. Higher L2 interview
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Q1. Salary discussion
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Basic question on general aptitude like percentage, train and speed, dates, reasoning

Leetcode medium problem on string and easy problem on array sorting

Q1. Behavioral question like why you want to changes etc etc
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Q1. Write a program to find a prime number from 1 to n, where n is integer.?
Ans. 
Program to find prime numbers from 1 to n
• Iterate from 2 to n and check if each number is prime

• Use a nested loop to check divisibility by numbers less than the current number

• A prime number is only divisible by 1 and itself
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Q2. What deep copy and shallow copy write pollyfil for the same
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy involves recursively copying all nested objects, while shallow copy only copies the top-level object

• Deep copy ensures that changes to the original object do not affect the copied object, while shallow copy may have shared references

• In JavaScript,...read more
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Q1. Why you want to chnage compoany?
Ans. 
Seeking new challenges, growth opportunities, and a better work-life balance.
• Looking for new challenges and opportunities for growth

• Seeking a better work-life balance

• Interested in working with cutting-edge technologies or in a different industry

• Want to expand my skill set and knowledge
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Q1. Basic automation in uipath
Ans. 
Basic automation in UiPath involves creating workflows using drag and drop activities to automate repetitive tasks.
• Identify the task to be automated

• Create a new project in UiPath Studio

• Use drag and drop activities to build the workflow

• Test and debug the workflow

• Deploy the workflow to run on a schedule or trigger

• Examples include automating data entry, file management, and web scraping
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Q2. MCQs in uipath and automation
Ans. 
MCQs in UiPath and automation
• MCQs are multiple choice questions that test knowledge in UiPath and automation

• They can cover topics such as activities, selectors, variables, and workflows

• Examples of MCQs include: What is the purpose of the 'Type Into' activity? and What is the difference between a dynamic and static selector?
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Q1. What is RE FRAMEWORK?
Ans. 
RE Framework is a template for building automation processes in UiPath Studio.
• RE stands for Robotic Enterprise Framework

• It is a standardized template for building automation processes

• It follows a modular approach with reusable components

• It includes exception handling, logging, and reporting functionalities

• It helps in building scalable and maintainable automation solutions
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Q2. What is Action Center?
Ans. 
Action Center is a notification center in Windows 10 that displays notifications and quick actions.
• Action Center is accessible by clicking on the notification icon in the taskbar.

• It displays notifications from various apps and system events.

• Users can customize which apps can send notifications and which quick actions are displayed.

• Quick actions are shortcuts to frequently used settings like Wi-Fi, Bluetooth, and screen...read more
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Q1. Why are you looking for a job?
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Q2. How would we benefit from you?
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Q1. How will you scale-up and scale-down Kubernetes pods?

Ans. 

Scaling Kubernetes pods involves adjusting the number of replicas based on demand.

• Use Kubernetes Horizontal Pod Autoscaler (HPA) to automatically adjust the number of replicas based on CPU or memory usage

• Manually scale pods using kubectl commands like 'kubectl scale deployment --replicas='

• Implement Cluster Autoscaler to automatically adjust the number of nodes in a cluster based on resource usage

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