Advanced MongoDB Quiz – Can You Do It In Less Than 4 Min?
Hope you did well in the previous MongoDB Quiz. This test is of a higher difficulty level to test your advanced MongoDB Quiz. Here, you will find trickier MongoDB questions. Take this as a challenge and complete this MongoDB test as quickly as possible. The average time to solve this quiz was 4 MINUTES.
Can you beat this time?
Note – If you want to revise MongoDB, you check our MongoDB tutorials series.
Advanced MongoDB Quiz
All the Best!
Q.1 Name the collections used by MongoDB to store GridFS data?
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Q.2 Which command is not supported by sharded collection?
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Q.3 Consider the following collection:
{
_id: 1,
product: "345678",
variations: [
{ size: "S", price: 100 },
{ size: "M", price: 800 }
]
}
What will the below query return?
db.products.find( { product: "345678" },
{ variations: { $elemMatch: { size: L } } } )
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Q.4 How can you check the amount of mapped memory that mongod is using?
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Q.5 In how much time does MongoDB reports its triggered page faults as the total number of page faults?
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Q.6 Using which operator we can access the query field of documents within a system profile?
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Q.7 Which of the following will return information on the query plan for aggregate function?
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Q.8 db.collection.explain() runs in ___________ verbosity mode.
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Q.9 Using what can you avoid repetition of data in MongoDB schema?
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Q.10 Normalized data models describe relationships using ___________ between documents
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Q.11 What operators are atomic on document level?
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Q.12 MongoDB stores times in _____ by default, and will convert any local time representations into this form.
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Hope, you scored well and like our this set of advanced MongoDB Quiz. Now, its time to check what are the career opportunities in MongoDB.