DevOps Essentials

Question 1

What is the origin of DevOps?

Answer 1

DevOps originated in the mid-2000s to address inefficiencies in the traditional software development model.

Question 2

What is the primary goal of DevOps?

Answer 2

The primary goal of DevOps is to unify software development and IT operations.

Question 3

How does DevOps improve software delivery?

Answer 3

DevOps focuses on automating manual processes, reducing lead times and increasing speed and efficiency.

Question 4

Who were the early adopters of DevOps?

Answer 4

Early adopters were often tech companies and web-based businesses needing to handle frequent releases.

Question 5

What role did cloud computing play in DevOps?

Answer 5

The growth of cloud computing provided essential infrastructure and tools that supported the adoption of DevOps practices.

Question 6

When did DevOps gain widespread popularity?

Answer 6

DevOps gained widespread popularity in the early 2010s.

Question 7

What is the impact of DevOps on software development today?

Answer 7

DevOps has significantly impacted the software development world by enabling faster scaling and more efficient operations.

Question 8

What does the DevOps practice encompass?

Answer 8

DevOps enables a single team to be responsible for the entire application lifecycle.

Question 9

What challenges did DevOps aim to overcome?

Answer 9

DevOps arose to overcome challenges caused by lack of synchronization and different timelines between operations and coding teams.

Question 10

What is a key characteristic of the DevOps approach?

Answer 10

DevOps actively breaks down traditional barriers between development and operations teams.

Question 11

What is the purpose of adopting DevOps Best Practices?

Answer 11

DevOps Best Practices aim to form cohesive development and operations teams to enhance speed in software delivery.

Question 12

What does implementing agile coordination in DevOps achieve?

Answer 12

It helps produce more frequent code versions and facilitates quick bug detection and fixing.

Question 13

What is the significance of Active Stakeholder Participation in DevOps?

Answer 13

It emphasizes that developers should work closely with business stakeholders throughout the process.

Question 14

What is Automated Testing in the context of DevOps?

Answer 14

Automated Testing promotes early issue discovery and quality coding, often linked to TDD and BDD.

Question 15

What is Integrated Configuration Management?

Answer 15

It handles the complexities of configuration across the enterprise, helping manage new releases effectively.

Question 16

What does Integrated Change Management involve?

Answer 16

It involves development and operations teams working together to manage the consequences of technology changes.

Question 17

What is Continuous Integration (CI)?

Answer 17

CI involves integrating code changes frequently into a shared repository for quick feedback on defects.

Question 18

What is Continuous Deployment?

Answer 18

Continuous Deployment automates the transition from integrated code to deployment in production.

Question 19

Name some significant DevOps best practices.

Answer 19

• Integrated Deployment Planning
• Product Support
• Application Monitoring
• Automated Dashboards

Question 20

What is the DevOps lifecycle designed to achieve?

Answer 20

It is designed to increase an organization’s speed in delivering applications and services.

Question 21

List the key phases of the DevOps lifecycle.

Answer 21

• Plan
• Code
• Build
• Test
• Release
• Deploy
• Operate
• Monitor

Question 22

What is emphasized in the Plan phase of the DevOps lifecycle?

Answer 22

Identifying commercial needs, gathering user feedback, and planning changes for improved performance.

Question 23

What happens in the Code phase of the DevOps lifecycle?

Answer 23

Development teams write and manage code, focusing on design simplification and security.

Question 24

What occurs during the Build phase of the DevOps lifecycle?

Answer 24

Code is compiled or assembled and prepared for testing and deployment.

Question 25

What is the purpose of the Test phase in the DevOps lifecycle?

Answer 25

To ensure the software's integrity through various testing methods.

Question 26

What is involved in the Release phase of the DevOps lifecycle?

Answer 26

Preparing the application for deployment into the operational environment.

Question 27

How does the Deploy phase utilize Infrastructure-as-Code?

Answer 27

It automates the setup of the operational environment and deployment of application artifacts.

Question 28

What does the Operate phase focus on?

Answer 28

The ongoing management of the application running in the real-world environment.

Question 29

What is the goal of the Monitor phase in the DevOps lifecycle?

Answer 29

To continuously observe the application's health, performance, and reliability.

Question 30

What are Source Code Management (SCM) tools?

Answer 30

Essential components within the suite of DevOps tools.

Question 31

What is Git?

Answer 31

A popular open-source, distributed version control system used in software development.

Question 32

How does Git facilitate collaboration?

Answer 32

It allows geographically separated teams to track and merge code changes effectively.

Question 33

What model does Git operate on?

Answer 33

A client-server model.

Question 34

What role does GitHub play in relation to Git?

Answer 34

GitHub is a web-based platform that provides cloud-based hosting for Git repositories.

Question 35

What is the Git workflow?

Answer 35

It involves moving changes through the Working Directory, Staging Area, and Git Directory.

Question 36

What is Git Branching?

Answer 36

A fundamental concept that allows isolated development for new features or bug fixes.

Question 37

List common Git commands.

Answer 37

* `git init` * `add` * `commit` * `branch` * `merge` * `push` * `pull`