Certificate Authentication

Advanced Data Manipulations

• Adjustment of the Mongo Shell
• Efficient handling CRUD operations (inserts, queries, updates, deletes)
• Useful admin commands

Performance optimization

• Built in monitoring tools: mongotop, mongostat
• Analysing memory and IO performance
• MongoDB Cloud Manager and Munin
• Identifying sub-optimal queries. Using the query profiler.
• Storage engines: MMAPv1 and WiredTiger
• Explainable object

Indexing and special collections

• Managing indexes and MongoDB indexing internals
• Single field and compound indexes
• Indexes on arrays and sub-documents
• Geo Indexes
• Capped collections, TTL and tailable cursors

Aggregation 

• Single purpose aggregation
• Aggregation pipelines
• Introduction to map-reduce

Replication

• How asynchronous replication works in MongoDB
• Setting-up and maintaining replica set
• Using write concern and read preference
• Handling replication failures

Sharding

• How auto sharding works
• Setting up a MongoDB shard cluster
• How to wisely choose a shard key
• Advanced administering a sharded cluster
• Managing unbalanced sharded cluster
• Dealing with chunks (splitting, merging, migrating

Security

• Authentication and authorization in replica sets and sharded clusters
• Managing privileges and custom roles
• Recommendations for secure deployment

Backup and Restore Plans

• filesystem based strategies
• mongodump and mongorestore
• point-in-time recovery