Which of following points describes when using embedded data models?

If the address data is frequently retrieved with the name information,how will you modify the following schema representing one to one relationship with referencing ? { _id: 'joe', name: 'Joe Bookreader' } { patron_id: 'joe', street: '123 Fake Street', city: 'Faketon', state: 'MA', zip: '12345' }

When should one should avoid embedding one document within another in MongoDB?

Point out the correct statement.

Which is a valid MongoDB document?

Choose the statement that best describes the query below: db.myCol.find().sort({_id:1});

Consider the following posts collection in MongoDB, { '_id' : 1, 'post_title' : 'this is post title', 'tags': [ 'social', 'friends', 'books'], // rest of the document } Output of following query: db.posts.aggregate( [ { $unwind : '$tags' } ] )

Best describes the concept of Aggregations in MongoDB ?

Which aggregation option is used to specify the fields that need to be passed to the next stage of the aggregation pipeline?

Best describes the concept of Replication in MongoDB ?

Regarding indexing and performance in MongoDB, choose the correct statement :