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#1. Which of the following best describes continuous integration?
Explanation: Continuous integration involves frequent integration of code changes into a shared repository, allowing for early detection of integration issues.
#2. Which tool is commonly used for continuous integration and continuous delivery (CI/CD)?
Explanation: Jenkins is a popular open-source automation server used to implement CI/CD pipelines.
#3. What is the purpose of using Docker in a DevOps environment?
Explanation: Docker is used to containerize applications, ensuring consistency across different environments.
#4. Scenario: You want to ensure that your application can handle a sudden increase in traffic. What should you implement?
Explanation: Load testing helps simulate high traffic conditions and identifies potential bottlenecks, ensuring your application can handle increased loads.
#5. What is the primary benefit of using version control systems like Git in DevOps?
Explanation: Version control systems help track and manage code changes, facilitating collaboration and improving code quality.
#6. Which practice involves automated testing, building, and deployment of code?
Explanation: Continuous Deployment involves the automatic deployment of code to production environments following successful automated tests.
#7. What does the term "shift left" refer to in DevOps?
Explanation: “Shift left” means integrating and addressing issues like security and testing earlier in the development cycle to identify and resolve problems sooner.
#8. Scenario: Your team needs to develop, test, and deploy applications quickly and reliably. What approach should you adopt?
Explanation: Agile and DevOps practices promote collaboration, automation, and iterative development, enabling faster and more reliable application delivery.
#9. What is Infrastructure as Code (IaC)?
Explanation: IaC involves managing infrastructure through code, making it easier to deploy, manage, and scale environments.
#10. Scenario: Your application needs to be deployed across multiple environments (development, staging, production) with consistent configurations. What should you use?
Explanation: IaC allows you to manage and provision infrastructure through code, ensuring consistency across different environments.
#11. What is the role of Kubernetes in a DevOps environment?
Explanation: Kubernetes is a container orchestration platform that automates the deployment, scaling, and management of containerized applications.
#12. Scenario: Your team is frequently experiencing merge conflicts when integrating code. What should you implement to mitigate this issue?
Explanation: Continuous Integration helps to frequently merge code changes into a shared repository, reducing the chances of merge conflicts by identifying them early.
#13. Scenario: Your deployment process is manual and prone to errors, causing downtime. What should you implement to improve this process?
Explanation: Continuous Deployment automates the deployment process, reducing errors and downtime by ensuring that code changes are automatically deployed after passing tests.
#14. Which of the following is a primary goal of DevOps?
Explanation: DevOps aims to speed up software development by fostering collaboration between development and operations teams and automating processes.
#15. Which of the following best describes a microservices architecture?
Explanation: Microservices architecture breaks down applications into smaller, loosely coupled services that can be developed, deployed, and scaled independently.