Rolling Arrays Consulting AWS Devops Engineer Interview Questions and Answers

Q1. Share Your experience on Creating AWS resources. GUI or using IAC tool?
Ans. 
I primarily use IAC tools like Terraform to create AWS resources for consistency, version control, and automation.
• I prefer using IAC tools like Terraform for creating AWS resources as it allows for infrastructure as code, version control, and automation.

• Using IAC tools ensures consistency in resource creation across environments.

• GUI can be useful for quick prototyping or exploring AWS services, but IAC is more efficien...read more
Answered by AI
Add your answer
Q2. Have you got any issues in pod, while creating or monitoring pods in the kubernetes cluster?
Ans. 
Yes, I have faced issues while creating or monitoring pods in a Kubernetes cluster.
• One common issue is pods getting stuck in a pending state due to resource constraints or scheduling issues.

• Another issue is pods crashing frequently due to misconfigured settings or incompatible container images.

• Monitoring pods can be challenging, especially when dealing with a large number of pods and trying to track their health and pe...read more
Answered by AI
Add your answer
Q3. What are use of Versioning in S3? Have you got any issues in working using S3?
Ans. 
Versioning in S3 allows for preserving, retrieving, and restoring every version of an object stored in a bucket.
• Enables recovery from unintended user actions or application failures

• Helps in maintaining different versions of objects for audit or compliance purposes

• Prevents accidental deletion or overwriting of objects

• Useful for tracking changes and rolling back to previous versions if needed
Answered by AI
Add your answer
Q4. What are the Devops tools, you have experience on?
Ans. 
I have experience with various DevOps tools including Jenkins, Docker, Ansible, and Terraform.
• Jenkins

• Docker

• Ansible

• Terraform
Answered by AI
Add your answer

Q1. What is ECS and EKS. If code is paused state, how to troubleshoot in ECS How to troubleshoot if ingress controller is not working What is ALB?
Ans. 
ECS is Elastic Container Service and EKS is Elastic Kubernetes Service. Troubleshoot code in paused state by checking logs and restarting tasks. Troubleshoot ingress controller by checking configuration and logs. ALB is Application Load Balancer.
• ECS is a managed container orchestration service by AWS

• EKS is a managed Kubernetes service by AWS

• To troubleshoot code in paused state in ECS, check CloudWatch logs, task defini...read more
Answered by AI
Add your answer

Q1. Questions about aws cloud and tools
Add your answer

Q1. Self introduction and discussion about package
Add your answer

Q1. Basic pipeline,python,some simple coding
Add your answer
Q2. More on resume and based on ur answers
Add your answer
Q3. Docker multistage
Add your answer

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
Answered by AI
Add your answer
Q2. Read json file and recursive way of geting value based on key
Add your answer

Q1. What is iap tunneling
Ans. 
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
Answered by AI
Add your answer
Q2. What is canary deployment
Ans. 
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
Answered by AI
Add your answer

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
Answered by AI
Add your answer
Q2. What do you mean by release management
Ans. 
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
Answered by AI
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

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
Answered by AI
Add your answer
Q2. What is terraform module?
Ans. 
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
Answered by AI
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. How to ensure high available of eks cluster.
Ans. 
To ensure high availability of EKS cluster, utilize multiple availability zones, implement auto-scaling, use managed node groups, and set up monitoring and alerts.
• Utilize multiple availability zones to distribute workload and ensure redundancy.

• Implement auto-scaling to automatically adjust resources based on demand.

• Use managed node groups to simplify node management and ensure high availability.

• Set up monitoring and al...read more
Answered by AI
Add your answer
Q2. What are liveness and readiness probe
Ans. 
Liveness and readiness probes are used in Kubernetes to check the health of containers.
• Liveness probe checks if a container is running and healthy. If it fails, Kubernetes restarts the container.

• Readiness probe checks if a container is ready to serve traffic. If it fails, Kubernetes stops sending traffic to the container.

• Probes are configured in the pod's YAML file using the 'livenessProbe' and 'readinessProbe' fields.

• ...read more
Answered by AI
Add your answer