WGU D422 – DevOps Engineering Final
Prep Exam (Latest Update 2026/2027)
Questions and Verified Answers | 100%
Correct | Grade A.
1. Which DevOps principle focuses on reducing the time between
writing code and delivering value to customers?
A. Manual approval workflows
B. Continuous delivery
C. Waterfall development
D. Isolated development teams
Answer: B. Continuous delivery
Rationale: Continuous delivery is a DevOps practice that ensures
software changes can be released to production quickly and reliably. It
emphasizes automation, frequent releases, and maintaining software in
a deployable state.
2. What is the primary goal of DevOps culture?
A. Increase separation between development and operations teams
B. Eliminate all testing activities
C. Improve collaboration between development and operations teams
D. Replace developers with automation tools
,Answer: C. Improve collaboration between development and
operations teams
Rationale: DevOps promotes shared responsibility between
development and operations teams. The goal is faster delivery of
reliable software through collaboration, automation, communication,
and continuous improvement.
3. Which practice allows developers to frequently merge code changes
into a shared repository?
A. Continuous integration
B. Infrastructure replacement
C. Manual deployment
D. Batch processing
Answer: A. Continuous integration
Rationale: Continuous integration (CI) involves regularly integrating
code changes into a shared repository. Automated builds and tests are
commonly triggered to identify problems early.
4. Which tool category is primarily used to automate software
deployment pipelines?
A. CI/CD platforms
B. Spreadsheet applications
C. Text editors
D. Database management systems
Answer: A. CI/CD platforms
,Rationale: CI/CD platforms automate stages such as building, testing,
packaging, and deploying applications. They help teams deliver
software faster and more consistently.
5. Infrastructure as Code (IaC) provides which major benefit?
A. Eliminates the need for documentation
B. Allows infrastructure to be managed through automated
configuration files
C. Prevents cloud adoption
D. Requires manual server configuration
Answer: B. Allows infrastructure to be managed through automated
configuration files
Rationale: Infrastructure as Code enables teams to define infrastructure
using code-based configuration files. This improves consistency,
repeatability, version control, and automation.
6. Which version control system is commonly used in modern DevOps
environments?
A. Git
B. FTP
C. Telnet
D. SMTP
Answer: A. Git
, Rationale: Git is a distributed version control system widely used in
DevOps workflows. It enables collaboration, branching, merging, and
tracking changes to source code.
7. What is the purpose of a DevOps pipeline?
A. Replace application development
B. Automate the process of building, testing, and deploying software
C. Prevent developers from accessing code
D. Remove monitoring requirements
Answer: B. Automate the process of building, testing, and deploying
software
Rationale: A DevOps pipeline automates software delivery stages,
reducing manual effort and improving reliability throughout the
development lifecycle.
8. Which deployment strategy releases an application gradually to a
small percentage of users before full deployment?
A. Big bang deployment
B. Canary deployment
C. Manual deployment
D. Static deployment
Answer: B. Canary deployment
Rationale: Canary deployments introduce changes to a limited group of
users first. This allows teams to monitor performance and detect issues
before a complete rollout.
Prep Exam (Latest Update 2026/2027)
Questions and Verified Answers | 100%
Correct | Grade A.
1. Which DevOps principle focuses on reducing the time between
writing code and delivering value to customers?
A. Manual approval workflows
B. Continuous delivery
C. Waterfall development
D. Isolated development teams
Answer: B. Continuous delivery
Rationale: Continuous delivery is a DevOps practice that ensures
software changes can be released to production quickly and reliably. It
emphasizes automation, frequent releases, and maintaining software in
a deployable state.
2. What is the primary goal of DevOps culture?
A. Increase separation between development and operations teams
B. Eliminate all testing activities
C. Improve collaboration between development and operations teams
D. Replace developers with automation tools
,Answer: C. Improve collaboration between development and
operations teams
Rationale: DevOps promotes shared responsibility between
development and operations teams. The goal is faster delivery of
reliable software through collaboration, automation, communication,
and continuous improvement.
3. Which practice allows developers to frequently merge code changes
into a shared repository?
A. Continuous integration
B. Infrastructure replacement
C. Manual deployment
D. Batch processing
Answer: A. Continuous integration
Rationale: Continuous integration (CI) involves regularly integrating
code changes into a shared repository. Automated builds and tests are
commonly triggered to identify problems early.
4. Which tool category is primarily used to automate software
deployment pipelines?
A. CI/CD platforms
B. Spreadsheet applications
C. Text editors
D. Database management systems
Answer: A. CI/CD platforms
,Rationale: CI/CD platforms automate stages such as building, testing,
packaging, and deploying applications. They help teams deliver
software faster and more consistently.
5. Infrastructure as Code (IaC) provides which major benefit?
A. Eliminates the need for documentation
B. Allows infrastructure to be managed through automated
configuration files
C. Prevents cloud adoption
D. Requires manual server configuration
Answer: B. Allows infrastructure to be managed through automated
configuration files
Rationale: Infrastructure as Code enables teams to define infrastructure
using code-based configuration files. This improves consistency,
repeatability, version control, and automation.
6. Which version control system is commonly used in modern DevOps
environments?
A. Git
B. FTP
C. Telnet
D. SMTP
Answer: A. Git
, Rationale: Git is a distributed version control system widely used in
DevOps workflows. It enables collaboration, branching, merging, and
tracking changes to source code.
7. What is the purpose of a DevOps pipeline?
A. Replace application development
B. Automate the process of building, testing, and deploying software
C. Prevent developers from accessing code
D. Remove monitoring requirements
Answer: B. Automate the process of building, testing, and deploying
software
Rationale: A DevOps pipeline automates software delivery stages,
reducing manual effort and improving reliability throughout the
development lifecycle.
8. Which deployment strategy releases an application gradually to a
small percentage of users before full deployment?
A. Big bang deployment
B. Canary deployment
C. Manual deployment
D. Static deployment
Answer: B. Canary deployment
Rationale: Canary deployments introduce changes to a limited group of
users first. This allows teams to monitor performance and detect issues
before a complete rollout.
