EPAM Systems Interview Questions, Process, and Tips

Q1. There were many interview questions about javascript. You need to know about OOPS in javascript,prototypical inheritance, find palindrome substring in a given string most optimal solutions
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Q2. Difference between merge and rebase in git
Ans. 
Merge combines changes from different branches, while rebase moves the current branch to the tip of another branch.
• Merge creates a new commit with the combined changes of two branches.

• Rebase moves the current branch to the tip of another branch, replaying the commits on top of it.

• Merge preserves the commit history of both branches, while rebase creates a linear history.

• Merge is non-destructive and is preferred for pres...read more
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Q3. Angular usefactory , usevalue, useclass
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Q4. Hirerichal injector in angular
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Coding questions based on real time

Q1. About projects worked on
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Q2. Technical skills
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Q1. Introduce brief about yourself?
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Q2. Why did you choose EPAM?
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Q3. How this job suits you?
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Q4. What are the countries you are interested in?
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Q5. What are the departments/fields you are interested in?
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Q1. Write a terraform code for a resource?
Ans. 
Terraform code for creating an AWS EC2 instance
• Define provider and resource block in main.tf file

• Specify the AMI, instance type, key pair, and security group in the resource block

• Run 'terraform init', 'terraform plan', and 'terraform apply' commands to create the EC2 instance
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Q2. Write an ansible playbook to install and start datadog?
Ans. 
Ansible playbook to install and start Datadog
• Use Ansible's package module to install Datadog agent package

• Use Ansible's service module to start the Datadog service

• Ensure proper configuration settings are applied in the playbook
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Q3. Write shell script to look for a file of not exists it should create?
Ans. 
Shell script to check for a file and create it if it does not exist
• Use the 'test' command to check if the file exists

• If the file does not exist, use 'touch' command to create it
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Q4. Write a docker file?
Ans. 
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image using the FROM keyword

• Use the RUN keyword to execute commands in the image

• Use the COPY or ADD keyword to add files from the host machine to the image

• Use the CMD keyword to specify the command to run when the container starts
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Q1. Why did we hire for this role?
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Q2. Introduce about yourself
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Q3. How do you know about epam?
Ans. 
EPAM is a global provider of software engineering and IT consulting services.
• EPAM was founded in 1993 in Princeton, New Jersey.

• It has offices in over 30 countries worldwide.

• EPAM offers services in areas such as software development, testing, and consulting.

• The company works with clients in various industries, including finance, healthcare, and retail.
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Q4. How do you handle if you have less time to submit the project?
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Q5. How do you handle if your manager is weird?
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Q6. How do you manage the team?
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Q1. Questions about SOLID
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Q2. Questions about mockito and whats new in java 11
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Q1. Stock buy sell problem
Ans. 
Find the maximum profit by buying and selling stocks once.
• Iterate through the array and keep track of the minimum price seen so far.

• Calculate the profit by subtracting the current price with the minimum price.

• Update the maximum profit if a higher profit is found.

• Return the maximum profit at the end.
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Q2. Solid principle
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Q1. Questions related to performance testing fundamentals, small code of data structures, rdbms query
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