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Migration

Azure Database Migration Service

Managed service supporting selected online and offline database migrations.

Key points

  • Database Migration Service supports selected online and offline moves to compatible Azure database targets.
  • Compatibility assessment, remediation, synchronization, client connectivity, identity, validation, cutover, and rollback remain required.

Best-known use cases

  • Move a supported database with minimal downtime after resolving target-compatibility blockers.

What candidates often confuse it with

  • Database Migration Service moves database data; Azure Migrate assesses broader estates and Data Box handles offline bulk files.

Key takeaway

Choose Database Migration Service for a supported database migration path whose downtime and target constraints are understood.

Relevant exam tasks

  • D4.3.S4 — Recommend a solution for migrating databases

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Free Microsoft Certified: Azure Solutions Architect Expert prep

Build focused AZ-305 quizzes from skill areas, topics, and product references.

Practice with exam-style multiple-choice and multiple-response questions, score breakdowns, explanations, and a compact reference for this lane's official exam domains.

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Exam Weights

Exam snapshot

AZ-305 at a glance

Level
Expert
Duration
No fixed live duration published
Questions
No fixed live question count published
Formats
No guaranteed question-type mix
Scoring
Scaled score; 700 minimum passing score

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Exam fidelity: Microsoft does not publish a fixed live question count or guarantee a question-type mix for AZ-305. This lane contains multiple-choice exam-style practice; no supplemental matching, ordering, or case-study exercises were needed. Practice percentages do not reproduce Microsoft's scaled scoring, and difficulty labels describe this site's Expert-level architecture and trade-off complexity rather than a Microsoft-published question rating.

Reference

AZ-305 topics and reference map

Study links

AZ-305 resources

Official Microsoft resources

AZ-305 official study guide

The live Microsoft guide with the April 17, 2026 skills-measured date, domain ranges, and 49 detailed objectives.

AZ-305 official exam page

Official exam status, passing score, language availability, preparation resources, and scheduling path.

Azure Solutions Architect Expert certification

Official certification overview, role profile, certification requirement, and learning paths.

AZ-305T00-A Design Microsoft Azure Infrastructure Solutions course

Official four-day instructor-led architecture course for AZ-305 preparation.