NCR Voyix Devops Engineer Interview Questions and Answers

Coding skills in python

Q1. Whre do yo use python
Ans. 
Python is used in various areas such as web development, data analysis, automation, machine learning, and more.
• Web development (Django, Flask)

• Data analysis (Pandas, NumPy)

• Automation (Scripting, DevOps tools)

• Machine learning (TensorFlow, PyTorch)
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Q2. What are all important Devops tools
Ans. 
Some important DevOps tools include Jenkins, Docker, Ansible, Kubernetes, and Git.
• Jenkins

• Docker

• Ansible

• Kubernetes

• Git
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Q1. Are you willing to work in shifts
Ans. 
Yes, I am willing to work in shifts.
• I am flexible with my working hours and can adapt to different shifts.

• I understand the importance of round-the-clock support in a DevOps role.

• I have previous experience working in shifts and have no issues with it.
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Q2. What are your sal expectation
Ans. 
My salary expectation is based on my experience, skills, and the market rate for DevOps Engineers.
• I have researched the average salary range for DevOps Engineers in this location.

• I am looking for a competitive salary that reflects my expertise in the field.

• I am open to negotiation based on the overall compensation package offered.
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Q1. Past experience in devops
Ans. 
I have 5 years of experience in implementing DevOps practices in various organizations.
• Implemented CI/CD pipelines using tools like Jenkins, GitLab CI, and CircleCI

• Automated infrastructure provisioning with tools like Terraform and Ansible

• Managed containerized applications using Docker and Kubernetes

• Monitored and maintained production systems with tools like Prometheus and Grafana
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Q2. Scripted jeninsfile for CI
Ans. 
A scripted Jenkinsfile is a Groovy script that defines the pipeline for Continuous Integration (CI).
• Use 'pipeline' block to define the stages of the CI pipeline

• Utilize 'stage' block to specify individual stages within the pipeline

• Leverage 'steps' block to define the actions to be executed within each stage

• Use 'node' block to allocate a Jenkins agent for running the pipeline

• Utilize 'checkout' step to fetch the source co
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Q1. WAF implementation in AWS
Ans. 
Implementing a Web Application Firewall (WAF) in AWS for enhanced security.
• Use AWS WAF to protect web applications from common web exploits.

• Create rules to filter and monitor HTTP and HTTPS requests.

• Integrate AWS WAF with other AWS services like CloudFront or API Gateway for comprehensive protection.
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Q2. Write a CD jenkinsfile
Ans. 
A CD Jenkinsfile automates the Continuous Delivery process in Jenkins.
• Define stages for build, test, deploy

• Use declarative syntax for pipeline

• Include steps for version control, artifact management

• Utilize plugins for notifications, approvals

• Implement error handling and rollback mechanisms
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Q1. It was about terraform
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Q2. It was about kubernetes
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Q1. What is VPC and its concepts?
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to your AWS account.
• VPC allows you to create a logically isolated section of the AWS Cloud where you can launch AWS resources.

• You can define your own IP address range, create subnets, configure route tables, and network gateways within a VPC.

• VPC provides security by allowing you to control inbound and outbound traffic to and from your instances.

• You can c...read more
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Q2. What are the two health checks when EC2 instance is launched?
Ans. 
The two health checks when an EC2 instance is launched are System Status Checks and Instance Status Checks.
• System Status Checks ensure that the underlying host system is healthy and reachable.

• Instance Status Checks ensure that the instance is running properly and can be accessed.

• Examples: System Status Checks may include checking network connectivity, while Instance Status Checks may include verifying system logs.
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Q3. What is difference between IAM group and IAM roles?
Ans. 
IAM groups are collections of IAM users, while IAM roles are permissions that can be assumed by users or services.
• IAM groups are used to manage permissions for multiple users at once

• IAM roles are used to delegate permissions to users or services

• IAM groups can contain multiple users, while IAM roles can only be assumed by one entity at a time
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Q1. What is DaemonSet
Ans. 
DaemonSet ensures that all or some nodes run a copy of a Pod
• DaemonSet is a Kubernetes resource that ensures a copy of a Pod is running on all or some nodes in a cluster

• It is useful for running a single instance of a Pod on every node in a cluster

• DaemonSet is commonly used for monitoring, logging, and other system-level services

• Example: Running a logging agent on every node in a Kubernetes cluster
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Q2. What is deployment and difference between statefulset and deployment
Ans. 
Deployment is a way to manage and update applications in Kubernetes. StatefulSet is used for stateful applications with unique identities.
• Deployment is used for stateless applications, while StatefulSet is used for stateful applications.

• Deployment manages replica sets and ensures a desired state is maintained.

• StatefulSet maintains a unique identity for each pod, making it suitable for applications that require stable a...read more
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Q1. Question on the skills that you have written in resume
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Overall ok It was 30 min duration

Q1. What the interview panel feels like is that everyone who attend the interview feels like fake candidates, fake candidates may have made your face but they should not suspected that everyone feels like fake...read more
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