Which tool can be used to migrate data from an on-premises MongoDB instance to Cosmos DB for MongoDB?
- A Azure Data Factory
- B Azure Database Migration Service (DMS)
- C mongodump + mongorestore
- D All of the above (correct answer)
Shortcut: Multiple tools work: ADF for pipeline-based migrations, DMS for online migration with minimal downtime, and native MongoDB tools (mongodump/mongorestore) for offline migrations.