MongoDB ranks as one of the hottest job trends and one of the most highly compensated technology skills.
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- We recommend you take all the following online courses:
- The MongoDB Certification Practice Exams helps with familiarizing yourself with the subject areas and format of the certification exam. After completing your practice exam, identify knowledge gaps by taking a look at your incorrect answers. Each answer has detailed explanations with links to relevant resources.
- The MongoDB Certification Exam Study Guide is another great preparation resource. It’s a guide to all of the topics on the exam, with links to the appropriate documentation to help exam takers to review. It also covers the practical details of taking the exam, like computer requirements and proctoring.
- You should also make use of other recommended preparation materials like:
- Philosophy & Features: performance, JSON, BSON, fault tolerance, disaster recovery, horizontal scaling, and the Mongo shell
- CRUD: Create, Read, Update, and Delete operations
- Data Modeling: embedding, references, document growth, modeling one-to-one and one-to-many relationships, modeling for atomic operations, modeling tree structures
- Indexing and Performance: single key, compound, multi-key, mechanics, storage engines, and performance
- Aggregation: pipeline, operators, memory usage, sort, skip, and limit
- Replication: configuration, oplog concepts, write concern, elections, failover, and deployment to multiple data centers
- Sharding: components, when to shard, balancing, shard keys, and hashed shard keys
- Fundamental database concepts
- Fundamentals of system programming
- Fundamentals of software development