Mactores Devops Engineer Interview Questions and Answers for Freshers

Q1. Questions were around Kubernetes deployments, autoscaling, networking, Terraform etc
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Q1. More on the problem solving questions
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Q1. About package and roles
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Q1. Real world docker questions.
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Q2. Asked questions on Jenkinsfile
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Q1. Question no SSL certification rotation of kubernetes ingress controller
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Q2. Debugging of kubernetes deployment.
Ans. 
Debugging kubernetes deployment involves identifying and resolving issues in the deployment process.
• Check the deployment logs for errors and warnings

• Verify the configuration files for correctness

• Use kubectl commands to inspect the deployment status

• Check the health of the pods and containers

• Use debugging tools like kubectl exec and logs to troubleshoot issues
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Q1. Question on AWS concepts
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Q2. Infrastructure related questions on AWS.
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Q1. Introduce yourself
Ans. 
I am a DevOps Engineer with 5 years of experience in automating, optimizing, and monitoring software development processes.
• 5 years of experience in DevOps

• Proficient in automating software development processes

• Skilled in optimizing and monitoring systems

• Strong knowledge of CI/CD pipelines

• Experience with tools like Jenkins, Docker, Kubernetes
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Q2. Write a CI/CD Pipeline code for a 3 tier application
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A CI/CD Pipeline code for a 3 tier application
• Use a version control system like Git to store the application code

• Set up a CI tool like Jenkins to automate the build process

• Define stages in the pipeline for building, testing, and deploying each tier of the application

• Leverage tools like Docker for containerization and Kubernetes for orchestration

• Implement automated testing at each stage to ensure code quality and reliab
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Q3. Difference between NSG and ASG
Ans. 
NSG stands for Network Security Group and is used to control inbound and outbound traffic to Azure resources. ASG stands for Availability Set Group and is used to ensure high availability of virtual machines.
• NSG controls traffic by setting rules for inbound and outbound traffic based on source and destination IP addresses, ports, and protocols.

• ASG groups virtual machines together to ensure high availability by distribu...read more
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Q1. Docker Kubernetes Terraform
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Q1. Questions related to SAP BW and HANA
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Q1. Questions related to SAP BW and HANA
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Q1. Reason for Job Change
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90 min coding test with 4-5 problems to solve

Q1. Technical rounds mostly goes around the project work ans some were based on the JD.
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Q1. Java hash map and how it works
Ans. 
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap in Java implements the Map interface and allows null keys and values.

• It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.

• Example: HashMap map = new HashMap<>(); map.put("key", 1); int value = map.get("key");
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Asked get write python code for a perticular scenario

Q1. Salary discussion happened
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