It’s time to test the MongoDB skills after learning all the MongoDB tutorials. This free MongoDB Quiz will help you prepare for the interview with MongoDB.
MongoDB Quiz is not just a test, but a parameter that will measure your knowledge and capabilities, especially for you. So, if you want to check the basics please refer to our MongoDB tutorial series before taking this advanced MongoDB assessment test.
Results
Pradeep Maurya is the Professional Web Developer & Designer and the Founder of “Tutorials website”. He lives in Delhi and loves to be a self-dependent person. As an owner, he is trying his best to improve this platform day by day. His passion, dedication and quick decision making ability to stand apart from others. He’s an avid blogger and writes on the publications like Dzone, e27.co
Fail, Try Again
Pradeep Maurya is the Professional Web Developer & Designer and the Founder of “Tutorials website”. He lives in Delhi and loves to be a self-dependent person. As an owner, he is trying his best to improve this platform day by day. His passion, dedication and quick decision making ability to stand apart from others. He’s an avid blogger and writes on the publications like Dzone, e27.co
#1. What function do you use to format the query results in mongo shell?
#2. Which of the following is correct about MongoDB?
#3. What does the following MongoDB command return? db.posts.find( { likes : { $gt : 100 }, likes : { $lt : 200 } } );
#4. Point out the correct statement.
#5. The memory usage statuses metrics of the _________ output can provide insight into MongoDB’s memory use.
#6. What command will you use to display the database you are using?
#7. By default, db.collection.explain() runs in ___________ verbosity mode.
#8. ____________ returns information on the query plan for aggregate function.
#9. What does the following query do when performed on the posts collection? db.posts.update({_id:1},{Title:This is post with ID 1″})
#10. You can inspect __________ to check the amount of mapped memory that mongod is using
#11. The _______ operator can be used to identify an element in the array to be updated without explicitly specifying the position of the element.
#12. Which of the following command inside aggregate command is used in MongoDB aggregation to filter the documents to pass only the documents that match the specified condition(s) to the next pipeline stage.
#13. With the _______ storage engine, MongoDB uses memory-mapped files to store data.
#14. MongoDB reports its triggered page faults as the total number of page faults in ________ second.
#15. Aggregation Pipelines have a limit of:
#16. Which of following command will return all items from inventory collection
#17. What is default port for MongoDB server?
#18. Create or insert operations add new documents to a collection. If the collection does not currently exist, insert operations will create the collection.
#19. What is a replica set node which does not maintain its own data but exists only for voting purpose called?
#20. What is the output of the following program?
Pradeep Maurya is the Professional Web Developer & Designer and the Founder of “Tutorials website”. He lives in Delhi and loves to be a self-dependent person. As an owner, he is trying his best to improve this platform day by day. His passion, dedication and quick decision making ability to stand apart from others. He’s an avid blogger and writes on the publications like Dzone, e27.co
