A. 1024 bytes and unlimited indexes
B. 12 mega bytes and 64 indexes
C. 1024 bytes and 64 indexes
D. 64 bytes and 1024 indexes
A. db.posts.find( { author: {$like: /John/} } )
B. db.posts.find( { author: /AjohnA/ > )
C. db.posts.find( { author: /John/ } )
D. db.posts.find( { $like: {author: /John/} } )
A. allPlansExecution
B. queryPlanner
C. executionStats
D. customExecutionStats
A. primary
B. arbiter
C. hidden
D. secondary
A. Null, Number, Object and String
B. String, Null, Number and Object
C. Null, Number, String and Object
D. Number, Null, String and Object
A. Indexing
B. Replication
C. Sharding
D. Journaling
A. Connect to primary to confirm its availability
B. Vote for the first secondary so that it would become the next primary
C. Start the election process for primary
D. Vote for itself and then call for election
B. Write Concern
C. Replication
D. Sharding
A. Skips the first five documents and returns the next five
B. Skips the first five documents and returns the sixth document five times
C. Limits the first five documents and then return them in reverse order
D. Skip and limit nullify each other. Hence returning the first five documents
A. $sort
