A query fails to return a complete result set on a sharded cluster. Choose the most probable reason

Which component exist in sharded cluster?

Regarding MongoDB sharding, choose the incorrect statement:

Which describe best the concept of Sharding in MongoDB ?

Why Sharding?

Why is sharding necessary?

Best describes the query below? db.col1.findAndModify({ query: {'name': 'val1'}, update: { $inc: { 'subObj.field1': 1 } });

Regarding Pipeline Operators in MongoDB, which is an incorrect statement? (choose all that apply)

Most suitable advantage of using embedded documents?

Which method allow to insert documents into a collection?

Your rs.add('....') is missing the quotation marks