Saaspect AWS Devops Engineer Interview Questions, Process, and Tips

Q1. What are the real-life examples that illustrate the concepts of Object-Oriented Programming (OOP)?
Ans. 
Real-life examples of OOP concepts include cars, animals, and banking systems.
• Cars can be represented as objects with properties like make, model, and color, and methods like drive and honk.

• Animals can be modeled as objects with attributes such as species, age, and weight, and behaviors like eat and sleep.

• Banking systems can utilize OOP principles with classes for accounts, customers, and transactions, each with their
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Q1. Where do you envision yourself in five years?
Ans. 
In five years, I envision myself as a senior AWS DevOps Engineer leading a team of skilled professionals and implementing cutting-edge technologies.
• Leading a team of DevOps engineers

• Implementing advanced AWS technologies

• Continuously learning and growing in the field

• Contributing to the success and growth of the organization
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Q1. Tell me about your project
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Q2. What issues did you face while deploying the application
Ans. 
I faced issues with network connectivity, configuration errors, and dependency mismatches while deploying the application.
• Network connectivity issues causing deployment failures

• Configuration errors leading to incorrect application setup

• Dependency mismatches causing compatibility issues

• Resource constraints impacting deployment performance
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Q3. What are S3 life cycle rules
Ans. 
S3 life cycle rules automate the management of objects in S3 buckets based on predefined criteria.
• Automate the transition of objects to different storage classes based on age or other criteria

• Automatically delete objects after a certain period of time

• Reduce storage costs by moving less frequently accessed data to cheaper storage options
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Q4. What have you used to check the quality of the code written to deploy
Ans. 
I have used code reviews, automated testing, static code analysis tools, and continuous integration to check the quality of code.
• Code reviews by peers to catch bugs and ensure best practices

• Automated testing using tools like Selenium for functional testing and JUnit for unit testing

• Static code analysis tools like SonarQube to identify code smells and potential bugs

• Continuous integration with tools like Jenkins to autom
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Q5. What is Codepipeline used for
Ans. 
CodePipeline is a continuous integration and continuous delivery service for fast and reliable application and infrastructure updates.
• Automates the build, test, and deploy phases of your release process

• Supports integration with various AWS services like CodeBuild, CodeDeploy, and Lambda

• Allows for custom actions and third-party integrations

• Provides visualization of the entire release process with customizable dashboards
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Q6. How do you use blue green deployment and what it is
Ans. 
Blue green deployment is a deployment strategy where two identical production environments are used to minimize downtime and risk.
• Blue green deployment involves running two identical production environments, one 'blue' and one 'green'.

• Traffic is routed to the 'blue' environment while the 'green' environment is updated and tested.

• Once the 'green' environment is deemed stable, traffic is switched to it and the 'blue' env...read more
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Q1. What are your Salary expectations
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Q1. Question based on AWS services, GitHub, teraform
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How aws vs verulation.

Q1. Nacl vs security group?
Ans. 
Nacl is a stateless firewall while security group is a stateful firewall in AWS.
• NACL operates at the subnet level, while security groups operate at the instance level.

• NACL rules are evaluated in order, while security group rules are evaluated independently.

• NACLs are stateless, meaning you must create rules for both inbound and outbound traffic, while security groups are stateful.

• NACLs are more flexible in terms of allo...read more
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Q2. Aws cloudformation
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Q1. Reason for change
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Q2. Salary discuss how much excellent
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Q1. How lambda works?
Ans. 
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required.
• Lambda functions are triggered by events such as changes to data in an S3 bucket, updates to a DynamoDB table, or HTTP requests via API Gateway.

• Lambda functions can be written in languages like Node.js, Python, Java, and more.

• AWS Lambda automatically scales to handle the incoming ...read more
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Q2. What is VPC? Explain in detail
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to your AWS account.
• VPC allows you to create a logically isolated section of the AWS Cloud where you can launch AWS resources.

• You can define your own IP address range, create subnets, configure route tables, and network gateways within a VPC.

• VPC provides security by allowing you to control inbound and outbound traffic to and from your AWS resources.

• You c...read more
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Q3. What is a pod in K8s?
Ans. 
A pod in K8s is the smallest deployable unit in Kubernetes, consisting of one or more containers that share resources.
• Pods are used to group containers that need to work together, such as a web server and a database.

• Pods share the same network namespace and can communicate with each other using localhost.

• Pods can be managed, scaled, and monitored as a single unit in Kubernetes.

• Each pod has a unique IP address within th
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Q4. EC2 Autoscaling, Load balancing
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Q5. What is terraform state file?
Ans. 
Terraform state file is a file that stores the state of your infrastructure managed by Terraform.
• It keeps track of the current state of your resources in the cloud.

• Helps Terraform understand what has been created, modified, or deleted.

• It is used to plan and apply changes to your infrastructure.

• State file can be stored locally or remotely in a backend like AWS S3 or Terraform Cloud.
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Q1. Day to day activity
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Q2. If you know many things why do you want to go with only one?
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Q3. Most difficult situation handled in project
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Q1. Explain jenkins ci/cd flow
Ans. 
Jenkins CI/CD flow automates the software delivery process from code commit to deployment.
• Jenkins pulls code from version control system

• Builds the code and runs automated tests

• If tests pass, deploys the code to a staging environment

• Manual testing is done in staging environment

• If approved, Jenkins deploys the code to production environment

• Logs and reports are generated throughout the process
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Q1. What is the salary expectancy
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Q1. Jenkins, CICD, kubernetes volume persistence
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