This Quiz contains totally 10 Questions each carry 1 point for you.
1. MongoDB explain() method does not support which of the following verbosity mode
queryPlanner
executionStats
allPlansExecution
customExecutionStats
Correct!
Wrong!
2. Which of the following is not a feature for NoSQL databases?
Data can be easily held across multiple servers
relational data
scalability
Correct!
Wrong!
3. Which of the following statement is correct with respect to mongoDB?
MongoDB is a NoSQL Database
MongoDB used XML over JSON for data exchange
MongoDB is not scalable
All the above
Correct!
Wrong!
4. Which of the following is feature of mongoDB?
Vertically scalable
centralised db
Dynamic schema
All the above
Correct!
Wrong!
5. Which of the following represent column in mongoDB?
document
collection
database
field
Correct!
Wrong!
6. The system generated _id field is?
A 12 byte hexadecimal value
A 12 byte decimal value
A 16 byte octal value
A 10 byte binary value
Correct!
Wrong!
7. Which of the following is true about mongoDB?
MongoDB is a cross-platform
MongoDB is a document oriented database
MongoDB provides high performance
All the above
Correct!
Wrong!
8. A developer want to develop a database for LFC system where the data stored is mostly in similar manner. Which database should use?
Relational
No Sql
both 1 & 2
None of these
Correct!
Wrong!
9. Documents in the same collection do not need to have the same set of fields or structure, and common fields in a collection's documents may hold different types of data is known as ?
dynamic schema
mongo
mongodb
Embedded Documents
Correct!
Wrong!
10. Instead of Primary Key mongoDB use?
Default key _id
mongo
mongodb
Embedded Documents
Correct!
Wrong!
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Mongo-DB-Quiz-7
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