MongoDB Online Test

Instructions:

This practice test has 20 questions
You have to attempt all the questions
Time will be 05:00 minute for 20 questions. After 05:00 minute, practice test will be submitted automatically and you will redirect to result page.
This practice test is for self evalutation, if you get less marks then passing marks. Please prepare more for get excellent mark next time
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1. MongoDB stores data in collections. What is a collection similar to in relational databases?

Rows Columns Indexes Tables

2. Which type of database is typically best suited for complex, structured data with fixed schemas?

SQL NoSQL Both SQL and NoSQL Neither SQL nor NoSQL

3. How does MongoDB driver authentication typically work?

By using a shared key Through SSL/TLS encryption With a username and password By matching document IDs

4. What is the primary purpose of auditing in MongoDB?

Data retrieval Data replication Access control Record and review user actions

5. What does a text index in MongoDB allow you to do?

Index numeric values Index text fields Index binary data Index date values

6. What is the role of the "replSetGetStatus" command in MongoDB?

Checking the server's status Creating new replica sets Setting up backups Configuring data models

7. What is the primary benefit of using a MongoDB driver in an application?

Data modeling Simplified database interaction Enhanced data security Improved data storage

8. Which "dump" format is the default output format of "mongodump"?

BSON JSON CSV XML

9. How can you specify the order in which the Aggregation stages are executed in MongoDB?

Use the $order operator Stages are executed in a fixed order Use the $sort operator Stages can be executed in any order

10. In MongoDB, how can you perform a geospatial query to find documents within a specified distance from a point?

$near $geoNear $maxDistance $within

11. What is the role of MongoDB client libraries and drivers?

Storing data Querying data Communicating with the MongoDB server Defining the data model

12. What is the purpose of the secondary nodes in MongoDB replication?

Load balancing Backup data storage Handling read operations Managing elections

13. In MongoDB, what is the role of the "config servers" in a sharded cluster setup?

Data storage Query optimization Managing metadata Ensuring data consistency

14. Which CRUD operation is used to insert a new document into a MongoDB collection?

Create Read Update Delete

15. What is the primary goal of performance optimization in MongoDB?

Data storage Data modeling Data consistency Query efficiency

16. In a replica set, what is the role of the primary node?

Accepts write operations Stores a backup of data Acts as a read-only node Manages elections

17. What type of data processing does MapReduce excel at in MongoDB?

Real-time analytics Batch processing Data storage Data modeling

18. What is the role of the "dbPath" setting in MongoDB configuration?

Specifies the port number Specifies the data directory path Sets the maximum connections Configures user authentication

19. In GridFS, what is the role of the "fs.files" collection?

Storing file metadata Storing file data Storing file chunks Managing document size

20. In MongoDB, what is the role of an arbiter in a replica set?

Holds a copy of data Participates in elections Acts as a secondary node Manages the primary node