MongoDB Data Types: Beginner-Level Quiz

MongoDB Data Types Quiz

This quiz tests your understanding of the various data types supported by MongoDB, including strings, numbers, arrays, and embedded documents. A solid grasp of data types is essential for effective data storage and retrieval in MongoDB.

1 / 20

_________ is a binary serialization format used to store documents and make remote procedure calls in MongoDB.

JSON

GridFS

BSON

DSON

2 / 20

Which of the following statements is correct?

You cannot perform range queries on files stored through GridFS

Applications that handle temporal and spatial data often require capturing fractional units of currency

GridFS uses two collections to store files

All of the above

3 / 20

Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument?

x = ObjectId()

x = ObjectIdAdd()

x = addObjectId()

None of the above

4 / 20

The __________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.

mongo

mongod

iscript

None of the above

5 / 20

MongoDB represents queries as ___________ objects.

JSON

BSON

GSON

DSON

6 / 20

Which of the following data type is depreciated?

Undefined

Double

String

Object

7 / 20

There are _________ byte counter in BSON, starting with a random value.

8 / 20

Object_Id is similar to _________ key in Relational Databases.

primary

secondary

composite

permanent

9 / 20

Which of the following statements is not correct?

If you need to query the database for exact, mathematically valid matches, use Ambiguity Precision

Chunks in the context of GridFS is related to the use of the term chunks in the context of sharding

The default chunk size changed from 256k to 255k

None of the above

10 / 20

MongoDB documents are composed of field-and-value pairs and have the following structure?

field1: value1;

field1: value1

field1:; value1

All of the above

11 / 20

Which of the following statements is correct?

MongoDB stores documents on disk in the BSON serialization format

MongoDB stores documents on RAM in the JSON serialization format

MongoDB stores chunks on disk in the XML serialization format

None of the above

12 / 20

By default GridFS limits chunk size to ______ k.

255

225

257

256

13 / 20

Each document in the __________ collection represents a distinct chunk of a file as represented in the GridFS store.

Files

Chunks

BSON

JSON

14 / 20

The ___ field contains the sequence number of the chunk.

field

array

15 / 20

GridFS uses a _________ index on the chunks collection for the files_id and n fields.

unique

non unique

single

married

16 / 20

When you query a GridFS store for a file, the _______ will reassemble the chunks as needed.

Server

Agent

Client

None of the above

17 / 20

To ensure functioning replication, do not store values that are of the _______ regular expression type in the _id field.

JScript

JSON

XML

None of the mentioned

18 / 20

Which of the field is reserved for use as a primary key?

_uuid

_uid

_id

All of the mentioned

19 / 20

To store documents larger than the maximum size, MongoDB provides the _______ API.

Grid

GridFS

MMS

None of the above

20 / 20

Which of the following statements is not correct?

The field names cannot contain the null character

The field names cannot start with the dollar sign ($) character

The field names cannot contain the dot (.) character

None of the above

Your score is

The average score is 0%

MongoDB Data Types covers the different data types it can store within its documents. This includes common types like strings, numbers, booleans, arrays, and objects, as well as more advanced types like ObjectId, Date, Binary Data, and Null.

Understanding these data types is crucial for properly designing schemas, querying data, and ensuring data integrity within MongoDB collections.

Best of luck!