Zensar Technologies AWS Devops Engineer Interview Questions and Answers

Q1. Questions about aws cloud and tools
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Q1. Self introduction and discussion about package
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Q1. What is components of vpc
Ans. 
Components of VPC include subnets, route tables, internet gateways, security groups, network access control lists, and VPN connections.
• Subnets

• Route tables

• Internet gateways

• Security groups

• Network access control lists

• VPN connections
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Q2. Explain Jenkins pipeline
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Jenkins pipeline is a set of automated steps to build, test, and deploy code.
• Jenkins pipeline is defined using a Jenkinsfile, which can be written in either Declarative or Scripted syntax.

• It allows for defining multiple stages, each containing one or more steps to be executed sequentially.

• Pipeline can be triggered manually or automatically based on events like code commits or scheduled builds.

• Pipeline can integrate wit...read more
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Q3. Kubernetes architecture
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Q4. Terraform code for ec2 and vpc
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Terraform code for creating EC2 instance and VPC
• Use Terraform resources 'aws_instance' for EC2 and 'aws_vpc' for VPC

• Specify necessary parameters like instance type, AMI, subnet ID, security group ID, etc.

• Use Terraform modules for better organization and reusability

• Leverage Terraform state file to track infrastructure changes
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Q1. What is iap tunneling
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IAP tunneling refers to the process of securely accessing internal resources from outside a network using Identity-Aware Proxy.
• IAP tunneling allows users to securely access internal resources without exposing them to the public internet.

• It uses Identity-Aware Proxy to authenticate and authorize users before granting access to the resources.

• This helps organizations maintain a secure network environment while enabling re
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Q2. What is canary deployment
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Canary deployment is a technique used to reduce risk by rolling out new features to a small subset of users before a full release.
• Canary deployment involves gradually rolling out a new version of software to a small subset of users or servers.

• This allows for monitoring of the new version's performance and stability before a full release.

• If the canary deployment is successful, the new version can be gradually rolled out...read more
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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
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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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Q1. What is cicd pipeline and describe cicd in detail.
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CI/CD pipeline is a set of automated processes that allow developers to deliver code changes more frequently and reliably.
• CI/CD stands for Continuous Integration/Continuous Delivery.

• CI involves automatically building and testing code changes frequently to catch errors early.

• CD involves automatically deploying code changes to production after passing tests.

• CI/CD pipelines typically include stages like build, test, deplo...read more
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Q2. What is dif bet cmd and entry point
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CMD is used to provide default arguments for an executing container, while ENTRYPOINT is used to specify the command that will run when the container starts.
• CMD is optional and can be overridden during container runtime

• ENTRYPOINT is required and cannot be overridden during container runtime

• CMD can be used to provide default arguments to the ENTRYPOINT command
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Good exposure to face

Good exposure to face

Q1. Good exposure to face
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Q2. Good exposure to face and was quite competitive
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Aptitude was mix of questions from logical reasoning, english grammar to simple numerical problems.

Q1. Questions were regarding projects done.
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Q1. What technologies you know
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I am familiar with a variety of technologies commonly used in DevOps, including Docker, Kubernetes, Jenkins, Ansible, and Git.
• Docker

• Kubernetes

• Jenkins

• Ansible

• Git
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