200-901 Application Deployment and Security Practice Question
A CI/CD pipeline uses GitLab CI. The pipeline must build a Docker image and then run security scans on the image before pushing. Which GitLab CI keyword allows defining a sequence of jobs that must run in order?
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
✓
stages
The 'stages' keyword defines the order of jobs. Jobs are grouped by stage, and stages run sequentially.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
before_script
Why it's wrong here
Incorrect. before_script runs commands before each job, not order.
- ✓
stages
Why this is correct
Correct. stages define the sequential pipeline order.
- ✗
only
Why it's wrong here
Incorrect. only defines when to run, not order.
- ✗
image
Why it's wrong here
Incorrect. image defines the Docker image for the job.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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