EEdukron DevOps Library
Azure DevOpsIntermediate20 submodules

CI/CD Execution and Deployment Controls

Strong candidates explain artifact immutability, gate placement, environment promotion, approval design, deployment strategy, health validation, and how rollback is triggered and proven.

Interview focus

Answer with mechanism, evidence, and trade-offs

Strong candidates explain artifact immutability, gate placement, environment promotion, approval design, deployment strategy, health validation, and how rollback is triggered and proven.

Strong-answer signals

  • Design complete CI stages
  • Place quality and security gates
  • Publish immutable artifacts
  • Promote across development, QA, UAT, and production
  • Use approvals, strategies, rollback, and post-deployment validation

Flow diagram

CI/CD Execution and Deployment Controls answer flow

Use this flow to structure design and scenario answers from context through evidence and recovery.

  1. 01
    CheckoutCI/CD Execution and Deployment Controls stage 1: checkout with an auditable result before the next stage begins.
  2. 02
    Build and testCI/CD Execution and Deployment Controls stage 2: build and test with an auditable result before the next stage begins.
  3. 03
    Analyze and scanCI/CD Execution and Deployment Controls stage 3: analyze and scan with an auditable result before the next stage begins.
  4. 04
    Package artifactCI/CD Execution and Deployment Controls stage 4: package artifact with an auditable result before the next stage begins.
  5. 05
    Promote environmentsCI/CD Execution and Deployment Controls stage 5: promote environments with an auditable result before the next stage begins.
  6. 06
    Validate and roll backCI/CD Execution and Deployment Controls stage 6: validate and roll back with an auditable result before the next stage begins.

Official Microsoft reference

Architecture diagrams from Microsoft documentation

Use these diagrams beside the original Edukron notes and flows to compare the learning model with the official product and architecture view.

Official Microsoft CI/CD baseline architecture showing Azure Repos, pull request checks, CI, CD, staging, production, and monitoring.

CI/CD baseline architecture with Azure Pipelines

A pull-request pipeline validates changes, CI produces a versioned artifact, CD promotes it through staging and production, and Azure observability closes the feedback loop.

Practical interview scenario

Design, diagnose, and defend your decision

A team rebuilds the application in every environment and production rollback takes forty minutes. Redesign the pipeline for artifact provenance, promotion, progressive validation, and rapid recovery.

A complete response should include
  • Business impact and technical constraints
  • Architecture or execution sequence
  • Identity, security, and evidence
  • Failure handling and recovery
  • Metrics and next improvement

Module question spotlight

Five questions to practise first

Model answers included
01Source checkoutWhat problem does Source checkout solve, how does it work in CI/CD Execution and Deployment Controls, and what is it commonly confused with?

Define the mechanism and ownership boundary first. Explain that it provides a concrete platform capability that must be configured, secured, validated, observed, and owned throughout its lifecycle, then contrast it with the adjacent responsibilities represented by the module prerequisites and the following Dependency installation concept. Close with a concrete validation signal.

02Dependency installationHow would you implement and validate Dependency installation for a production workload?

Start from workload constraints and existing state. State the requirement, configure the smallest working unit, connect its dependencies, test success and failure, and document operational ownership. Include identity, dependencies, normal and failure tests, monitoring, and an explicit recovery decision.

03CompilationA change involving Compilation causes a production symptom. What evidence would you inspect and how would you recover safely?

Establish scope and recent change, inspect the native configuration and event or log evidence, test the dependency boundary, apply the smallest reversible mitigation, verify user impact has recovered, and retain the findings for permanent prevention.

04Unit testingWhat problem does Unit testing solve, how does it work in CI/CD Execution and Deployment Controls, and what is it commonly confused with?

Define the mechanism and ownership boundary first. Explain that it provides a concrete platform capability that must be configured, secured, validated, observed, and owned throughout its lifecycle, then contrast it with the adjacent responsibilities represented by the preceding Compilation concept and the following Code coverage concept. Close with a concrete validation signal.

05Code coverageHow would you implement and validate Code coverage for a production workload?

Start from workload constraints and existing state. State the requirement, configure the smallest working unit, connect its dependencies, test success and failure, and document operational ownership. Include identity, dependencies, normal and failure tests, monitoring, and an explicit recovery decision.

Complete question bank

60 topic-aware interview questions

20 submodules
03

Compilation

Concept, implementation, and troubleshooting questions with model answers, evaluation points, follow-ups, and weak-answer warnings.

Open question set
04

Unit testing

Concept, implementation, and troubleshooting questions with model answers, evaluation points, follow-ups, and weak-answer warnings.

Open question set
08

Docker build

Concept, implementation, and troubleshooting questions with model answers, evaluation points, follow-ups, and weak-answer warnings.

Open question set
16

Gates

Concept, implementation, and troubleshooting questions with model answers, evaluation points, follow-ups, and weak-answer warnings.

Open question set
19

Rollback

Concept, implementation, and troubleshooting questions with model answers, evaluation points, follow-ups, and weak-answer warnings.

Open question set