HCLTech Senior Devops Engineer Interview Questions and Answers

Q1. Terraform templates to create aks
Ans. 
Terraform templates can be used to create AKS clusters.
• Use the azurerm_kubernetes_cluster resource in Terraform to create an AKS cluster.

• Specify the required parameters such as resource group, location, node count, and node size.

• Use the azurerm_kubernetes_service_principal resource to create a service principal for the AKS cluster.

• Use the azurerm_kubernetes_cluster_node_pool resource to create node pools with specific ...read more
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Q2. OpenShift Source to Image
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Q3. Jenkins pipeline end to end
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Q4. Ansible taks done in project
Ans. 
Ansible was extensively used in the project for configuration management and automation.
• Automated deployment of applications using Ansible playbooks

• Configuration management of servers using Ansible roles

• Automated backup and restore of databases using Ansible scripts

• Automated provisioning of infrastructure using Ansible modules
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Q5. Handled team size and DevSecOps
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Q1. Shell script concepts
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Q2. Istio Service Mesh , Kubernetes Troubleshooting
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Q3. Docker file creation
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Q1. Should be strong in devops life cycle
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Q2. Package discussion, reason for resigning current company
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Q1. Reason for job change
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Q1. Python programming
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Q2. Aws architecture
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Q3. Terraform scripts
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Q1. DevOps Advanced questions with CICD, Application Deployment stages and troubleshooting part
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Q2. Terraform Hands on Deployments for both Infrastructure & Application Deployment
Ans. 
Terraform is used for both infrastructure and application deployments.
• Terraform allows for defining infrastructure as code, making it easy to manage and deploy infrastructure resources.

• It can also be used to deploy applications by defining the necessary configurations and dependencies.

• Terraform supports various cloud providers such as AWS, Azure, and Google Cloud, making it versatile for different deployment scenarios.
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Q1. More into Architecture & Cost Optimization Solutions & Cloud Security best practices
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Q2. Team Management, Leader Ship skills
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Q1. What is the difference between ext and xfs?
Ans. 
ext is the default file system for many Linux distributions, while xfs is known for better performance and scalability.
• ext is the default file system for many Linux distributions

• xfs is known for better performance and scalability

• xfs supports larger file systems and files compared to ext
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Q2. What is the difference between CentOS/RHEL 6 & 7?
Ans. 
CentOS/RHEL 6 & 7 differ in kernel version, package management, systemd, and support lifecycle.
• Kernel version: CentOS/RHEL 6 uses kernel version 2.6.x while CentOS/RHEL 7 uses kernel version 3.x.

• Package management: CentOS/RHEL 6 uses yum for package management, while CentOS/RHEL 7 uses yum and dnf.

• Systemd: CentOS/RHEL 6 uses SysV init system, while CentOS/RHEL 7 uses systemd as the init system.

• Support lifecycle: CentOS...read more
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Good analytic skills needed to clear it

Data structure and algorithms and python specific questions

Q1. Salary expectations
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Q2. How much years will be there in company
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Q1. Gitlab related Questionnaire ?
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Q2. Terraform related Questionnaire ?
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