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HCLTech Devops Engineer Interview Questions and Answers
13 Interview questions
A CI/CD YAML pipeline automates the software development lifecycle, enabling continuous integration and delivery.
Define stages: Use 'stages' to outline the pipeline phases like build, test, and deploy.
Specify jobs: Each stage can have multiple jobs defined under 'jobs'. Example: 'build', 'test'.
Use steps: Within jobs, 'steps' define the actions to perform. Example: 'checkout code', 'run tests'.
Environment variable...
Configuring a self-hosted agent pool involves setting up agents on your own infrastructure for CI/CD tasks.
1. Install the Azure DevOps agent software on your machine.
2. Register the agent with your Azure DevOps organization using a personal access token.
3. Configure the agent to run as a service for continuous availability.
4. Add the agent to a specific agent pool in Azure DevOps.
5. Verify the agent's status in th...
Helm is a package manager for Kubernetes that simplifies the deployment and management of applications.
Helm charts are packages of pre-configured Kubernetes resources that can be easily deployed using Helm.
Helm charts are written in YAML and can include templates for Kubernetes manifests.
Helm allows for easy versioning, sharing, and management of Kubernetes applications.
To use Helm, you need to install the Helm cl...
Kubernetes services enable communication between pods and external resources, managing access and load balancing.
Kubernetes services abstract access to a set of pods, allowing for stable networking.
Types of services include ClusterIP (default), NodePort, LoadBalancer, and ExternalName.
ClusterIP exposes the service on a cluster-internal IP, making it accessible only within the cluster.
NodePort exposes the service o...
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
Monitoring in DevOps is the process of observing and measuring the performance of the system to ensure its availability and reliability.
Monitoring helps in identifying issues and potential problems before they become critical.
It involves collecting and analyzing data from various sources such as logs, metrics, and events.
Monitoring tools like Nagios, Zabbix, and Prometheus are used to automate the process.
It helps...
I have worked with various DevOps tools including Jenkins, Git, Docker, Kubernetes, Ansible, and AWS.
Experience with Jenkins for continuous integration and deployment
Proficient in Git for version control
Familiarity with Docker and Kubernetes for containerization and orchestration
Knowledge of Ansible for configuration management
Experience with AWS for cloud infrastructure management
StatefulSet is used for managing stateful applications, while Deployment is used for stateless applications.
StatefulSet is used for applications that require stable network identities and persistent storage.
StatefulSet maintains a unique identity for each pod and ensures ordered deployment and scaling.
Deployment is used for stateless applications that can be easily replicated and scaled.
Deployment manages a set of...
To check logs for pods and containers in Kubernetes, you can use the kubectl command-line tool.
Use the 'kubectl logs' command to view logs for a specific pod or container.
Specify the pod or container name along with the appropriate flags.
You can also use selectors to filter logs based on labels or namespaces.
To follow logs in real-time, use the '-f' flag.
To limit the number of lines displayed, use the '--tail' fla...
Terraform is an infrastructure as code tool used for building, changing, and versioning infrastructure safely and efficiently. Chef is a configuration management tool used for automating the deployment, scaling, and management of infrastructure.
Terraform is used to define and provision infrastructure using declarative configuration files.
Chef is used to automate the configuration and management of servers and appl...
HCLTech Devops Engineer Interview Experiences
10 interviews found
Anonymous
I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
(5 Questions)
- Q1. Ci cd pipeline and variables?
- Q2. Blue green and canary deployment kubernetes
- Q3. Security in Terraform
- Ans.
Security in Terraform involves managing sensitive data, implementing access controls, and using secure communication channels.
Use Terraform's sensitive data handling features like sensitive variables and sensitive outputs to protect sensitive information.
Implement access controls using Terraform's built-in features like IAM policies, resource-level permissions, and secure storage backends.
Use secure communication chann...
- Q4. Helm chart and how to use it?
- Ans.
Helm is a package manager for Kubernetes that simplifies the deployment and management of applications.
Helm charts are packages of pre-configured Kubernetes resources that can be easily deployed using Helm.
Helm charts are written in YAML and can include templates for Kubernetes manifests.
Helm allows for easy versioning, sharing, and management of Kubernetes applications.
To use Helm, you need to install the Helm client ...
- Q5. Branching strategies
Skills evaluated in this interview
(1 Question)
- Q1. Terraform slug?
(1 Question)
- Q1. Terraform securities
- Q1. How to write ci cd yaml pipeline?
- Ans.
A CI/CD YAML pipeline automates the software development lifecycle, enabling continuous integration and delivery.
Define stages: Use 'stages' to outline the pipeline phases like build, test, and deploy.
Specify jobs: Each stage can have multiple jobs defined under 'jobs'. Example: 'build', 'test'.
Use steps: Within jobs, 'steps' define the actions to perform. Example: 'checkout code', 'run tests'.
Environment variables: Us...
- Q2. How to configure selfhosted agent pool?
- Ans.
Configuring a self-hosted agent pool involves setting up agents on your own infrastructure for CI/CD tasks.
1. Install the Azure DevOps agent software on your machine.
2. Register the agent with your Azure DevOps organization using a personal access token.
3. Configure the agent to run as a service for continuous availability.
4. Add the agent to a specific agent pool in Azure DevOps.
5. Verify the agent's status in the Azu...
Nikhil Singh
(3 Questions)
- 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...
- Q2. Aws questions like what is iam
- 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
Interview Preparation Tips
Skills evaluated in this interview
karan nagar
(2 Questions)
- Q1. Kubernetes services explanantion
- Ans.
Kubernetes services enable communication between pods and external resources, managing access and load balancing.
Kubernetes services abstract access to a set of pods, allowing for stable networking.
Types of services include ClusterIP (default), NodePort, LoadBalancer, and ExternalName.
ClusterIP exposes the service on a cluster-internal IP, making it accessible only within the cluster.
NodePort exposes the service on eac...
- Q2. Ansible modules
YOGESH ORACLE ADMINISTRATOR
(1 Question)
- Q1. Tell me about yourself
(1 Question)
- Q1. DevOps released questions
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. What’s terraform and chef
- Ans.
Terraform is an infrastructure as code tool used for building, changing, and versioning infrastructure safely and efficiently. Chef is a configuration management tool used for automating the deployment, scaling, and management of infrastructure.
Terraform is used to define and provision infrastructure using declarative configuration files.
Chef is used to automate the configuration and management of servers and applicati...
Interview Preparation Tips
Skills evaluated in this interview
Lets us writes some docker code and some scripts regarding DevOps
(2 Questions)
- Q1. Ask about technical questions
- Q2. What devops tools your worked on
- Ans.
I have worked with various DevOps tools including Jenkins, Git, Docker, Kubernetes, Ansible, and AWS.
Experience with Jenkins for continuous integration and deployment
Proficient in Git for version control
Familiarity with Docker and Kubernetes for containerization and orchestration
Knowledge of Ansible for configuration management
Experience with AWS for cloud infrastructure management
(1 Question)
- Q1. About previous company details
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Difference between statefullset and deployment in kubernets ?
- Ans.
StatefulSet is used for managing stateful applications, while Deployment is used for stateless applications.
StatefulSet is used for applications that require stable network identities and persistent storage.
StatefulSet maintains a unique identity for each pod and ensures ordered deployment and scaling.
Deployment is used for stateless applications that can be easily replicated and scaled.
Deployment manages a set of iden...
- Q2. How to check logs for pods and containers in kubernets ?
- Ans.
To check logs for pods and containers in Kubernetes, you can use the kubectl command-line tool.
Use the 'kubectl logs' command to view logs for a specific pod or container.
Specify the pod or container name along with the appropriate flags.
You can also use selectors to filter logs based on labels or namespaces.
To follow logs in real-time, use the '-f' flag.
To limit the number of lines displayed, use the '--tail' flag.
To ...
Interview Preparation Tips
Skills evaluated in this interview
Sameer Zulfi Ibrahim
Selected
I applied via Naukri.com and was interviewed before Feb 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Explain about AWS Infrastructure
- Ans.
AWS Infrastructure is a collection of physical and virtual resources that provide the foundation for AWS cloud services.
AWS Infrastructure includes data centers, networking, compute, storage, and security services.
AWS Regions and Availability Zones provide geographic redundancy and fault tolerance.
AWS offers a variety of infrastructure services, such as EC2, S3, and RDS, that can be used to build and deploy application...
- Q2. Explain about Monitoring in DevOps
- Ans.
Monitoring in DevOps is the process of observing and measuring the performance of the system to ensure its availability and reliability.
Monitoring helps in identifying issues and potential problems before they become critical.
It involves collecting and analyzing data from various sources such as logs, metrics, and events.
Monitoring tools like Nagios, Zabbix, and Prometheus are used to automate the process.
It helps in i...
Interview Preparation Tips
Skills evaluated in this interview
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