PeerXP DevOps Associate Interview Questions and Answers

Q1. What is your roles and responsibilities in your current job..?
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Q2. What is CICD...? What is functions used in jenkinsfile..?
Ans. 
CICD stands for Continuous Integration/Continuous Deployment. Jenkinsfile functions include stages, steps, post, and more.
• CICD stands for Continuous Integration/Continuous Deployment

• Jenkinsfile functions include stages, steps, post, agent, environment, and more

• Stages define a series of tasks to be executed in a pipeline

• Steps define individual actions within a stage

• Post defines actions to be taken after the pipeline has...read more
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Q3. What is Kubernetes ..?
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Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.
• Kubernetes helps in automating the deployment, scaling, and management of containerized applications.

• It allows for easy scaling of applications by adding or removing containers based on demand.

• Kubernetes provides features like service discovery, load balancing, and self-healing ...read more
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Q4. What is Workspaces in docker
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Workspaces in Docker are isolated environments where developers can work on different projects without affecting each other.
• Workspaces allow developers to have separate environments for each project, preventing conflicts between dependencies.

• Each workspace has its own set of containers, volumes, and networks, ensuring isolation.

• Developers can easily switch between workspaces to work on different projects.

• Workspaces are...read more
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Q5. How Cost Optimization achieved ..? Give a example where you achieved this.
Ans. 
Cost optimization in DevOps is achieved through efficient resource utilization, automation, and continuous monitoring.
• Implementing auto-scaling to dynamically adjust resources based on demand

• Using containerization to maximize resource utilization and reduce costs

• Leveraging cloud services for pay-as-you-go pricing model

• Implementing cost monitoring tools to identify and eliminate wasteful spending

• Optimizing code and infr...read more
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Q6. What is the challange that you faced in your work and how you can overcome that..?
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Q7. How monitoring has been done .? Explain Prometheus and Grafana.
Ans. 
Monitoring is done using Prometheus and Grafana. Prometheus collects metrics and Grafana visualizes them.
• Prometheus is an open-source monitoring and alerting toolkit

• It collects metrics from monitored targets by scraping HTTP endpoints

• Grafana is a visualization tool that creates dashboards for the collected metrics

• It allows users to create graphs, charts, and alerts based on the data from Prometheus
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Q1. What is Persistent volume
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Persistent volume is a storage volume that exists beyond the life cycle of a container.
• Persistent volumes are used to store data that needs to persist even if the container is deleted or recreated.

• They are decoupled from the container and can be attached to different containers.

• Examples include network-attached storage (NAS), cloud storage, and local storage.

• Persistent volumes are managed by the storage administrator r
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Q2. Volumein kubernetes which can be attached and deattached
Ans. 
PersistentVolumes (PVs) in Kubernetes can be attached and detached.
• PersistentVolumes (PVs) can be attached to pods using PersistentVolumeClaims (PVCs).

• PVs can be detached from pods when no longer needed.

• Examples of PV types include NFS, iSCSI, and AWS EBS.
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Q1. Question on cloud and kubernetes
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Q1. Nothing much just basic hr question
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Q1. What happens when you search "google.com"?
Ans. 
When you search 'google.com', it will redirect you to the Google homepage.
• Typing 'google.com' in the browser's address bar will take you to the Google search engine homepage.

• You can also directly search for 'google.com' in the Google search bar to access the Google homepage.

• Google.com is the domain name for the Google search engine.

• Google.com may also redirect to localized versions of Google based on the user's locatio
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Q2. Traceroute in Linux
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traceroute is a command-line tool used to trace the route that packets take from your computer to a destination server.
• traceroute command is used to track the path that packets take to reach a destination server

• It shows the IP addresses of the routers that the packets pass through

• It also displays the round-trip time for each hop

• Example: traceroute google.com
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Q1. Had like 5 more rounds all around leadership principles. Also multiple Linux questions.
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Q1. Jenkins ci-cd meaning
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Q2. Grep and egrep in linux
Ans. 
grep and egrep are command line tools used for searching text patterns in files in Linux.
• grep is a basic command line tool for searching text patterns in files.

• egrep is an extended version of grep with support for regular expressions.

• grep is case-sensitive by default, use -i flag for case-insensitive search.

• egrep supports extended regular expressions without escaping special characters.

• Example: grep 'pattern' file.txt

• E
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Q3. How to print forth coloumn
Ans. 
Use awk command to print the fourth column of a file
• Use awk command with '{print $4}' to print the fourth column of a file

• Example: awk '{print $4}' file.txt
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Q1. Explain about pipeline What is provisoner in terraform etc
Ans. 
A pipeline is a series of automated steps that allow for the continuous integration and delivery of software.
• A pipeline typically includes stages such as building, testing, and deploying code.

• Tools like Jenkins, GitLab CI/CD, and AWS CodePipeline are commonly used for creating pipelines.

• Pipelines help in automating the software development process and ensuring faster delivery of updates.

• Provisioner in Terraform is a to...read more
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Q2. Cicd process explained
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CI/CD process automates the building, testing, and deployment of code changes.
• Continuous Integration (CI) involves automatically building and testing code changes frequently.

• Continuous Deployment (CD) involves automatically deploying code changes to production.

• CI/CD pipelines use tools like Jenkins, GitLab CI/CD, or CircleCI to automate the process.

• Automated testing is a key component of CI/CD to ensure code quality.

• CI...read more
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Q1. What is ci cd. What is iac. What is terraform
Ans. 
CI/CD stands for Continuous Integration/Continuous Deployment. IaC stands for Infrastructure as Code. Terraform is a tool for IaC.
• CI/CD is a software development practice where code changes are automatically built, tested, and deployed frequently.

• IaC is the process of managing and provisioning infrastructure through code instead of manual processes.

• Terraform is an open-source tool by HashiCorp used for building, changi
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Q2. Aws questions like what is iam
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Q3. Write dockerfile
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

• Use RUN to execute commands

• Use COPY to add files from the host machine

• Use CMD to specify the command to run when the container starts
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Q1. What latest tools youhave worked on
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Q1. What is expectations
Ans. 
Expectations are the anticipated outcomes or results that are desired or required.
• Expectations help set goals and provide a clear direction for work.

• They can be communicated to team members to ensure everyone is on the same page.

• Managing expectations effectively can lead to successful project outcomes.

• Examples: Expecting a software release to be completed on time, expecting a certain level of performance from a system.
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Docker
Kubernetes
Azure DevOps
Azure Pipelines

Q1. Asked some Devops Docker image size related questions.
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Q2. Asked Kubernetes deployment strategies.
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