CI/CD

Question 1

Define Continuous Integration.

Answer 1

A development practice where code changes are automatically tested and merged into a shared repository.

Question 2

What is the purpose of Continuous Deployment?

Answer 2

To automatically release code changes to production after passing predefined tests.

Question 3

True or false: CI/CD helps reduce integration problems.

Answer 3

TRUE

Frequent integration leads to fewer conflicts and easier debugging.

Question 4

Fill in the blank: Automated testing is crucial for _______ in CI/CD.

Answer 4

Quality assurance

Question 5

What does CD stand for in CI/CD?

Answer 5

Continuous Delivery or Continuous Deployment, depending on the context.

Question 6

Define monitoring in the context of software.

Answer 6

The process of observing and checking the performance and behavior of applications.

Question 7

What is the role of Grafana?

Answer 7

Grafana is an open-source platform for monitoring and observability, primarily for visualizing time series data.

Question 8

True or false: Grafana can integrate with various data sources.

Answer 8

TRUE

Supports sources like Prometheus, InfluxDB, and Elasticsearch.

Question 9

Fill in the blank: Alerts in monitoring notify users of _______.

Answer 9

Issues or anomalies

Question 10

What is a pipeline in CI/CD?

Answer 10

A series of automated processes that code changes go through from development to production.

Question 11

Define version control.

Answer 11

A system that records changes to files over time, allowing for easy retrieval and collaboration.

Question 12

What is the purpose of build automation?

Answer 12

To automate the process of compiling source code into executable applications.

Question 13

True or false: Static code analysis is part of CI/CD.

Answer 13

TRUE

It helps identify potential errors before code execution.

Question 14

Fill in the blank: Rollback is the process of _______ to a previous state.

Answer 14

Reverting changes

Question 15

What is infrastructure as code (IaC)?

Answer 15

Managing and provisioning computing infrastructure through machine-readable definition files.

Question 16

Define containerization.

Answer 16

The encapsulation of an application and its dependencies into a container for consistent deployment.

Question 17

What is DevOps?

Answer 17

A set of practices that combines software development and IT operations for faster delivery.

Question 18

True or false: Microservices architecture is incompatible with CI/CD.

Answer 18

FALSE

Microservices can benefit greatly from CI/CD practices.

Question 19

Fill in the blank: Continuous feedback is essential for _______ improvement.

Answer 19

Continuous

Question 20

What is load testing?

Answer 20

A type of performance testing to evaluate how a system behaves under expected load.

Question 21

Define deployment frequency.

Answer 21

The rate at which new code is deployed to production environments.

Question 22

What is the purpose of canary releases?

Answer 22

To gradually roll out changes to a small subset of users before full deployment.

Question 23

True or false: Monitoring is only necessary after deployment.

Answer 23

FALSE

Monitoring should occur throughout the development lifecycle.

Question 24

Fill in the blank: Service level agreements (SLAs) define _______.

Answer 24

Expected service performance

Question 25

What is **observability**?

Answer 25

The ability to measure the internal state of a system based on its external outputs.

Question 26

Define **rollback strategy**.

Answer 26

A plan for reverting to a previous version of software after a failed deployment.

Question 27

What does **SRE** stand for?

Answer 27

Site Reliability Engineering, a discipline combining software engineering and IT operations.

Question 28

True or false: **A/B testing** is a form of monitoring.

Answer 28

FALSE ## Footnote A/B testing is a method for comparing two versions of a webpage or app.

Question 29

Fill in the blank: **Performance metrics** help assess _______ of applications.

Answer 29

Efficiency

Question 30

What is **Git**?

Answer 30

A distributed version control system used to track changes in source code.

Question 31

Define **artifact repository**.

Answer 31

A storage location for binary files and other artifacts produced during the CI/CD process.

Question 32

What is the role of **webhooks** in CI/CD?

Answer 32

To trigger automated processes in response to events in version control systems.

Question 33

True or false: **End-to-end testing** is part of the CI/CD pipeline.

Answer 33

TRUE ## Footnote It verifies the complete flow of an application from start to finish.

Question 34

Fill in the blank: **Configuration management** ensures _______ consistency across environments.

Answer 34

System

Question 35

What is **serverless architecture**?

Answer 35

A cloud computing model where the cloud provider manages server allocation and scaling.

Question 36

Define **blue-green deployment**.

Answer 36

A deployment strategy that reduces downtime by running two identical environments.

Question 37

What is the purpose of **test automation**?

Answer 37

To execute tests automatically, improving efficiency and coverage in the testing process.

Question 38

True or false: **Monitoring** can help in capacity planning.

Answer 38

TRUE ## Footnote It provides insights into resource usage and future needs.