NTT Data Senior Devops Engineer Interview Questions and Answers

Q1. Generic basic devops questions
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20 questions in 15 mins

Q1. Difference between HTTP AND HTTPS
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS certificates to encrypt data transmitted over the network, providing a secure connection.

• HTTPS is essential for websites that handle sensitive information li...read more
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Q2. What do you mean by release management
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Release management involves planning, scheduling, and controlling the software release process.
• Planning and coordinating the release of software updates

• Ensuring that the release process is smooth and efficient

• Managing dependencies and version control

• Communicating with stakeholders about release timelines and changes

• Automating release processes to improve efficiency
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Q1. Azure devops methodology, terraform related questions, docker and kubernetes related questions, shell script.
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Q2. How would you manage the drift in terraform if services are added manually?
Ans. 
To manage drift in Terraform due to manually added services, use Terraform import, state management, and version control.
• Use Terraform import to bring manually added services under Terraform management.

• Regularly update Terraform state file to reflect the current state of infrastructure.

• Utilize version control to track changes made outside of Terraform.

• Implement automated checks to detect and reconcile drift in infrastr
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Q3. How would you safeguard the data and services?
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To safeguard data and services, I would implement encryption, access controls, regular backups, and monitoring.
• Implement encryption for data at rest and in transit

• Set up access controls to restrict unauthorized access

• Regularly backup data to prevent data loss

• Implement monitoring and alerting to detect and respond to security incidents
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Q4. Shell commands like copy folder, rename, awk.
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Q1. Why are you switching? Did you go through company's key values? What would you do if team is not collaborating efficiently? Why do you want to join us? Any significant achievement during your job? Weakness...read more
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Maths, reasoning and English language with total 30 questions in 20 minutes

Q1. Basics of cloud and SDLC
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Q2. AWS services, Jenkins, Pipelines
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Q1. DevOps and cloud technology
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Q2. Kubernetes, Docker, GIT version control, CICD, AWS
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Q1. Techno-managerial round
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Q2. Past projects, College education, general discussion
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Q1. Salary negotiation with HR
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Q1. What is iap tunneling
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IAP tunneling refers to the process of securely accessing internal resources from outside a network using Identity-Aware Proxy.
• IAP tunneling allows users to securely access internal resources without exposing them to the public internet.

• It uses Identity-Aware Proxy to authenticate and authorize users before granting access to the resources.

• This helps organizations maintain a secure network environment while enabling re
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Q2. What is canary deployment
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Canary deployment is a technique used to reduce risk by rolling out new features to a small subset of users before a full release.
• Canary deployment involves gradually rolling out a new version of software to a small subset of users or servers.

• This allows for monitoring of the new version's performance and stability before a full release.

• If the canary deployment is successful, the new version can be gradually rolled out...read more
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Q1. How to call APIs in Python
Ans. 
To call APIs in Python, you can use libraries like requests or urllib.
• Use the requests library to make HTTP requests to APIs

• Send GET, POST, PUT, DELETE requests using requests library

• Parse JSON responses using the json module
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Q2. How to write script to configure Veracode with ADO
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To configure Veracode with ADO, you can write a script that automates the process of setting up the integration.
• Use Veracode API to authenticate and interact with Veracode services

• Create a script that retrieves Veracode API credentials from ADO secure variables

• Automate the process of configuring Veracode settings in ADO pipelines
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Q1. DevOps Advanced questions with CICD, Application Deployment stages and troubleshooting part
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Q2. Terraform Hands on Deployments for both Infrastructure & Application Deployment
Ans. 
Terraform is used for both infrastructure and application deployments.
• Terraform allows for defining infrastructure as code, making it easy to manage and deploy infrastructure resources.

• It can also be used to deploy applications by defining the necessary configurations and dependencies.

• Terraform supports various cloud providers such as AWS, Azure, and Google Cloud, making it versatile for different deployment scenarios.
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Q1. More into Architecture & Cost Optimization Solutions & Cloud Security best practices
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Q2. Team Management, Leader Ship skills
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