Infogain Senior Devops Engineer Interview Questions and Answers

Q1. What is your terraform experience in current organisation
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Q1. Technical questions on cloud
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Q2. IAC Tools and Ansible related
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Q1. Interview questions are around terraform, helm , Kubernetes and resume
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Q1. Basic pipeline,python,some simple coding
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Q2. More on resume and based on ur answers
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Q3. Docker multistage
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Q1. Write the k8s deployment ymal with rolling update for given docker image
Ans. 
Create a k8s deployment ymal with rolling update for a given docker image
• Define a Deployment object in the YAML file

• Specify the container image in the spec section

• Set the update strategy to RollingUpdate

• Define the number of replicas for the deployment
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Q2. Read json file and recursive way of geting value based on key
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A method to read a JSON file and recursively retrieve values associated with a specified key.
• Use a programming language like Python or JavaScript to read the JSON file.

• Implement a recursive function that traverses the JSON structure.

• Check if the current element is a dictionary or a list to continue recursion.

• Example in Python: def get_value(data, key): if isinstance(data, dict): for k, v in data.items(): if k == key: y...read more
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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. 3 theory questions about devops basics
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20 questions in 15 mins

Q1. Difference between HTTP AND HTTPS
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS certificates to encrypt data transmitted over the network, providing a secure connection.

• HTTPS is essential for websites that handle sensitive information li...read more
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Q2. What do you mean by release management
Ans. 
Release management involves planning, scheduling, and controlling the software release process.
• Planning and coordinating the release of software updates

• Ensuring that the release process is smooth and efficient

• Managing dependencies and version control

• Communicating with stakeholders about release timelines and changes

• Automating release processes to improve efficiency
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