Hexaware Technologies AWS Devops Engineer Interview Questions, Process, and Tips

Q1. Basic pipeline,python,some simple coding
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Q2. More on resume and based on ur answers
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Q3. Docker multistage
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Q1. Write the k8s deployment ymal with rolling update for given docker image
Ans. 
Create a k8s deployment ymal with rolling update for a given docker image
• Define a Deployment object in the YAML file

• Specify the container image in the spec section

• Set the update strategy to RollingUpdate

• Define the number of replicas for the deployment
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Q2. Read json file and recursive way of geting value based on key
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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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Q1. How do you use docker and kubernetes in your project
Ans. 
I use Docker for containerization and Kubernetes for orchestration in my project.
• I use Docker to create lightweight, portable containers for my applications.

• I use Kubernetes to automate deployment, scaling, and management of these containers.

• I define my application's infrastructure and dependencies in Dockerfiles and Kubernetes manifests.

• I use Kubernetes features like pods, services, and deployments to ensure high avai
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Q2. Did you created the kubernetes cluster yourself
Ans. 
Yes, I have experience creating and managing Kubernetes clusters.
• Yes, I have created Kubernetes clusters from scratch

• I have experience configuring and managing nodes in the cluster

• I have deployed applications and services on the Kubernetes cluster

• I have set up monitoring and scaling mechanisms for the cluster
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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. Explain CI/CD pipeline .
Ans. 
CI/CD pipeline is a set of automated processes that allow developers to continuously integrate code changes and deploy them to production.
• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to a shared repository.

• Continuous Deployment (CD) involves automatically deploying code changes to production environments after passing automated tests.

• CI/CD pipelines typicall...read more
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Q2. Explain daemonset in kubernetes.
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 the cluster

• It is useful for running a single instance of a Pod on every node, such as log collection or monitoring agents

• DaemonSet automatically adds or removes Pods as nodes are added or removed from the cluster
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Q1. Explain the networking services in AWS.
Ans. 
AWS provides a variety of networking services to help users manage their network infrastructure.
• Virtual Private Cloud (VPC) allows users to create isolated networks within the AWS cloud

• Elastic Load Balancing distributes incoming traffic across multiple instances to ensure high availability

• Route 53 is a scalable domain name system (DNS) web service

• Direct Connect allows users to establish a dedicated network connection b...read more
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Q2. What is terraform module?
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Terraform module is a reusable, configurable, and self-contained collection of Terraform resources.
• Terraform modules help organize and reuse code for infrastructure components

• Modules can be shared and reused across different projects

• Modules can have input variables to customize their behavior

• Modules can output values that can be used by other parts of the infrastructure code
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Q1. Why GitOps tool ?
Ans. 
GitOps tools help automate infrastructure management, version control, and deployment processes.
• Enables infrastructure as code practices

• Facilitates version control for infrastructure configurations

• Automates deployment processes

• Promotes collaboration and visibility among team members

• Examples: Argo CD, Flux, Jenkins X
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Q2. What is AWS secret manager?
Ans. 
AWS Secret Manager is a service that helps you protect access to your applications, services, and IT resources.
• It allows you to securely store, manage, and retrieve sensitive credentials and configuration data.

• You can rotate, manage, and retrieve secrets throughout their lifecycle.

• Integrates with AWS services like Lambda, EC2, RDS, and more for secure access to secrets.

• Helps you meet security and compliance requirement...read more
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Q1. How you do troubleshoot, explain you any experience
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Q2. Explain procedure of application deployment on Windows server.
Ans. 
Application deployment on Windows server involves packaging the application, configuring the server, and deploying the application using tools like IIS or PowerShell.
• Package the application into a deployable format such as a zip file or MSI installer

• Configure the Windows server with necessary dependencies and settings for the application to run

• Deploy the application using tools like Internet Information Services (IIS) ...read more
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Q1. S3 storage class
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Q1. What is node affinity?
Ans. 
Node affinity is a feature in Kubernetes that allows pods to be scheduled onto nodes based on labels assigned to nodes.
• Node affinity is used to ensure that pods are scheduled onto nodes that meet certain criteria specified in the pod's affinity rules.

• There are two types of node affinity: requiredDuringSchedulingIgnoredDuringExecution and preferredDuringSchedulingIgnoredDuringExecution.

• Node affinity rules can be based o...read more
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Q2. What is security groups?
Ans. 
Security groups are virtual firewalls that control inbound and outbound traffic for instances in a cloud network.
• Security groups are used to control traffic at the instance level.

• They act as virtual firewalls for instances in a cloud network.

• They allow you to specify which traffic is allowed to reach your instances.

• You can define rules for inbound and outbound traffic based on protocols, ports, and IP addresses.

• Securit...read more
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