Amadeus Devops Engineer Interview Questions and Answers

Overall ok It was 30 min duration

Q1. About you your experience and communication skills
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Q1. Depends upon team leader Ask basics as well as the issue they are facing during their work.
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Q2. Especially Linux file system How to mount additional disk Booting process Docker file structure
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Q1. Second technical round is depends upon the TL he can ask your experience and issues
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Q2. And can ask questions about cloud AWS and azure
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Q1. Salary discussion
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Q1. Explain the Kubernetes architecture
Ans. 
Kubernetes architecture is a container orchestration platform that manages containerized applications across a cluster of nodes.
• Kubernetes follows a master-slave architecture with a master node and multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Nodes communicate with each oth...read more
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Q2. Write the terraform script
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Writing a terraform script for infrastructure provisioning
• Define provider and required variables

• Create resources like instances, networks, and storage

• Use modules for reusable code

• Implement variables and outputs for flexibility

• Leverage terraform state for tracking changes
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Q1. Write the dockerfile
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A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image

• Use the RUN instruction to execute commands

• Use the COPY instruction to add files from your Docker client’s current directory

• Use the CMD instruction to specify the command to run when the container starts
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Q1. What are your salary expectations
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Q1. Explain our company devops process
Ans. 
Our company's DevOps process focuses on continuous integration, automated testing, and deployment.
• Continuous integration: Developers regularly merge their code changes into a shared repository, triggering automated builds and tests.

• Automated testing: Testing is automated at various stages of the development process to ensure code quality and reliability.

• Deployment automation: Code changes are automatically deployed to ...read more
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Q1. What is VPC and its concepts?
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 instances.

• You can c...read more
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Q2. What are the two health checks when EC2 instance is launched?
Ans. 
The two health checks when an EC2 instance is launched are System Status Checks and Instance Status Checks.
• System Status Checks ensure that the underlying host system is healthy and reachable.

• Instance Status Checks ensure that the instance is running properly and can be accessed.

• Examples: System Status Checks may include checking network connectivity, while Instance Status Checks may include verifying system logs.
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Q3. What is difference between IAM group and IAM roles?
Ans. 
IAM groups are collections of IAM users, while IAM roles are permissions that can be assumed by users or services.
• IAM groups are used to manage permissions for multiple users at once

• IAM roles are used to delegate permissions to users or services

• IAM groups can contain multiple users, while IAM roles can only be assumed by one entity at a time
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Medium DSA questions

Q1. Terraform uses and flow in your company
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Q2. Remote backend in terraform?
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Array,String,Data Structure, java ,oops

Q1. What is oopsin java?
Ans. 
OOPs in Java stands for Object-Oriented Programming concepts which include inheritance, encapsulation, polymorphism, and abstraction.
• OOPs concepts help in organizing and structuring code for better reusability and maintainability.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation hides the internal state of an object and only exposes necessary functionalities.

• Polymorphism all...read more
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Q2. What is link list?
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A linked list is a data structure consisting of a sequence of elements where each element points to the next element in the sequence.
• Consists of nodes where each node contains data and a reference to the next node

• Can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and previous nodes)

• Common operations include insertion, deletion, and traversal

• Example: Singly linke...read more
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