MongoDB Certified Developer Associate - C100DEV Exam Questions

QUESTION NO: 1
Given a movies collection where each document has the following structure: { _id: ObjectId('573a1390f29313caabcd60e4'), genres: [ 'Short', 'Comedy', 'Drama' ], title: 'The Immigrant', year: 1917, imdb: { rating: 7.8, votes: 4680, id: 8133 }, countries: [ 'USA' ] } Which of the following queries will find all movies that were made in 2000 or 2010?

QUESTION NO: 2
Select true statements about shard keys.

QUESTION NO: 3
Suppose you have a movies collection with the following document structure: { _id: ObjectId("573a1390f29313caabcd60e4"), title: 'The Immigrant', fullplot: "Charlie is on his way to the USA. He wins in a card game, puts the money in Edna's bag (she and her sick mother have been robbed of everything). When he retrieves a little for himself he is accused of being a thief. Edna clears his name. Later, broke, Charlie finds a coin and goes into a restaurant." } You want to sort result set by a relevance score computed by MongoDB in text search query and extract only three documents with the highest score. Which query do you need to use?

QUESTION NO: 4
There are some special databases in MongoDB that we cannot use to create a new database. Select those names.

QUESTION NO: 5
What can you deduce from the explain() method?
For example:
db.collection.find().explain()

QUESTION NO: 6
Which of the following read preference options may not result in out-of-date data?

QUESTION NO: 7
Assign typical operational tasks to the Database Administrator.

QUESTION NO: 8
Select all true statements about indexes on a field with values of varying data types.

QUESTION NO: 9
Which of the following rules (when ordering) should be followed when building query indexes?

QUESTION NO: 10
Select true statements about the naming convention of collections in MongoDB.