TCS Interview Questions

Focused on azure cloud, DevOps and Biceps. 4-10 years experience. 2 rounds of interviews.

Company-focused questions

L1 round

Q1: Explain your CI/CD pipeline.

Q2: What is a deployment group and its advantages?

Q3: What is the Random provider in Terraform?

Q4: What is a statefile in Terraform?

Q5: What is an agent pool in Azure DevOps?

Q6: What are the advantages of self-hosted agents versus Microsoft-hosted agents?

Q7: What is a statelist in Terraform?

Q8: What is the difference between Azure Functions and Azure Web Apps?

Q9: How do you avoid downtime during deployment in Kubernetes?

Q10: Explain blue-green and canary deployment strategies.

Q11: What is Azure Bicep?

Q12: Explain the Hub and Spoke model in cloud architecture.

Q13: Explain disaster recovery strategies.

L2 Managerial round

Q1: To create infra which instance type you suggest if client have low budget?

Q2: I have everything on-prem I want to switch to cloud which strategy would you recommend?

Q3: How did you implemented DR in your current project?

Q4: How will you optimize the cost for running EC2 instances?

Q5: Explain cloud migration strategies.

Q6: Explain disaster recovery strategies.

Q7: How will you calculate RPO and RTO? What is RPO and RTO in existing cloud setup?