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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Performance and Troubleshooting | 10% | - Performance tuning and optimization - Monitoring tools and metrics - Diagnostics and resolving common issues |
| Topic 2: MongoDB Architecture and Deployment | 20% | - Core concepts, JSON/BSON, data model - Storage engines and server management - Installation and configuration |
| Topic 3: Sharding and Scalability | 10% | - Shard keys, chunk management, balancing - Query routing and cluster operations - Sharded cluster architecture |
| Topic 4: CRUD Operations and Indexing | 20% | - Index types, creation, and management - Query optimization and aggregation - Create, Read, Update, Delete operations |
| Topic 5: Replication and High Availability | 15% | - Deployment and maintenance of replica sets - Failover, elections, read/write concern - Replica set architecture and components |
| Topic 6: Backup, Recovery and Maintenance | 10% | - Logical and physical backup methods - Data consistency and integrity checks - Restore procedures and disaster recovery |
| Topic 7: Security and Access Control | 15% | - Role-based access control - Authentication mechanisms - Encryption, auditing, and security best practices |
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NEW QUESTION # 40
Which of the following is a valid insert statement in mongodb? Select all valid.
Answer: C,D
NEW QUESTION # 41
In a collection that contains 100 post documents, what does the following command do? db. posts.
find().skip(5).limit(5)
Answer: A
NEW QUESTION # 42
What does the output x of the following MongoDB aggregation query result into; db.posts.aggregate( [ { $group: { _id; "$author", x: { $sum: $likes } } } ] )
Answer: B
NEW QUESTION # 43
A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?
Answer: B
NEW QUESTION # 44
What does the following $slice query return using the following command? db.posts.find( {}, { comments: { $slice: [ -10, 5 ] } } )
Answer: B
NEW QUESTION # 45
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