- A
Perform code review
Why wrong: Code review is part of development, not typically a pipeline stage.
- B
Build the Docker image
Building is the first step to create the artifact.
- C
Push the image to a container registry
Publishing the image makes it available for deployment.
- D
Run unit and integration tests
Testing validates the code and image before deployment.
- E
Deploy directly to production without testing
Why wrong: Skipping tests is risky and not a best practice.
Question 71 of 1,000
200-901 Application Deployment and Security Practice Question
This 200-901 practice question tests your understanding of application deployment and security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE steps are essential in a typical CI/CD pipeline for a containerized application? (Choose THREE.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Build the Docker image
Building the Docker image is essential because it packages the application code, dependencies, and runtime into a portable container. Without this step, there is no deployable artifact for the CI/CD pipeline to promote through stages.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Perform code review
Why it's wrong here
Code review is part of development, not typically a pipeline stage.
- ✓
Build the Docker image
Why this is correct
Building is the first step to create the artifact.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Push the image to a container registry
Why this is correct
Publishing the image makes it available for deployment.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Run unit and integration tests
Why this is correct
Testing validates the code and image before deployment.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Deploy directly to production without testing
Why it's wrong here
Skipping tests is risky and not a best practice.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between development practices (like code review) and automated pipeline steps, so candidates mistakenly include code review as a CI/CD step when it is actually a prerequisite.
Detailed technical explanation
How to think about this question
In a typical CI/CD pipeline for containerized applications, the build step uses a Dockerfile and commands like `docker build` to create an image. The image is then tagged (e.g., with a commit SHA) and pushed to a registry (e.g., Docker Hub, Amazon ECR) using `docker push`. This ensures immutability and traceability, enabling rollbacks by redeploying a previous image tag.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Application Deployment and Security — study guide chapter
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FAQ
Questions learners often ask
What does this 200-901 question test?
Application Deployment and Security — This question tests Application Deployment and Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Build the Docker image — Building the Docker image is essential because it packages the application code, dependencies, and runtime into a portable container. Without this step, there is no deployable artifact for the CI/CD pipeline to promote through stages.
What should I do if I get this 200-901 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.
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