Upland Software Cloud Devops Engineer Interview Questions and Answers

Q1. If i delete an instance on the console and then i deploy the same instance terraform template how will terraform behave?
Ans. 
Terraform will recreate the instance as per the template
• Terraform will detect that the instance is missing and recreate it based on the template

• The new instance will have the same configuration as defined in the template

• Any changes made to the instance outside of Terraform will be lost
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Q2. If i have an instance configuration terraform template, and i manually add an ebs to it through console and then give terraform apply how will terraform behave?
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Q3. What will be the IP range if i need 500 IPs?
Ans. 
The IP range for 500 IPs would typically be a /23 subnet.
• For 500 IPs, you would need at least a /23 subnet.

• A /23 subnet provides 512 IP addresses (2^9 = 512), with 510 usable IPs after subtracting network and broadcast addresses.

• The IP range for a /23 subnet would be from x.x.x.0 to x.x.x.255.
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Q4. Python coding on string manipulation
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Q5. What are the health checks after creating instances - 2/2? What do they mean?
Ans. 
Health checks after creating instances ensure the instances are functioning properly.
• Instance status checks ensure the instance is reachable and responding to traffic.

• System status checks ensure the underlying hardware is functioning properly.

• Example: If an instance fails the system status check, it may indicate a problem with the underlying host hardware.
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Q6. How to deploy microservices?
Ans. 
Microservices can be deployed using containerization tools like Docker and orchestration tools like Kubernetes.
• Use containerization tools like Docker to package each microservice along with its dependencies into a container image.

• Leverage orchestration tools like Kubernetes to manage and deploy multiple microservices across a cluster of machines.

• Implement continuous integration and continuous deployment (CI/CD) pipelin...read more
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Q7. Write terraform code to launch an ec2 instance in a vpc and attach a role to it
Ans. 
Launch an EC2 instance in a VPC and attach a role using Terraform
• Define a VPC resource in Terraform

• Define a subnet resource within the VPC

• Create a security group for the EC2 instance

• Define an IAM role for the EC2 instance

• Launch an EC2 instance within the subnet and attach the IAM role
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Q1. Day to day activities
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Q2. Why do you learn various technologies?
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Q3. How will it be beneficial for you to learn various technologies because you will be working with limited technologies?
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Q4. Your project workflow, and how do you manage your tasks
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Q1. Wha t is docker
Ans. 
Docker is a platform that allows you to package, distribute, and run applications in containers.
• Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.

• Containers allow a developer to package up an application with all parts it needs, such as libraries and other dependencies, and ship it all out as one package.

• Docker containers are lightweight and share the same operating...read more
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Q2. Therla so answer panala
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Q1. OS, n/w, storage and cloud related questions
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Q1. What is the flow of cicd
Ans. 
CI/CD flow involves continuous integration, testing, deployment, and monitoring of code changes.
• Code is pushed to version control system (e.g. Git)

• Automated build and test process is triggered

• Code is deployed to testing environment for validation

• If tests pass, code is deployed to production environment

• Monitoring and feedback loop for continuous improvement
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Testing you general IQ with aptitude exam along with java MCQ exams

Discussed about the projects done during engineering

Overall ok It was 30 min duration

They first gave me a project to be implemented in Go language, then was called for tefchnival round