MongoDB interview questions part 50
MongoDB interview questions part 50
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Grant the user the role using the ________ method.
Correct Answer is : db.grantRolesToUser()
2. Which of the following method is used to identify the privileges granted by the roles ?
Correct Answer is : rolesView
3. Point out the wrong statement :
Correct Answer is : You must have the createUser action on a database to create a new user on that database
4. ____________ removes a one or more roles from a user on the current database.
Correct Answer is : db.revokeRolesFromUser()
5. You must have the __________ action on a database to revoke a role on that database.
Correct Answer is : revokeRole
6. You must have the _________ action on a database to modify the password of any user on that database.
Correct Answer is : changeAnyPassword
7. Which of the following can be used to generate unique strings for use in passwords ?
Correct Answer is : openssl
8. The ________ field contains optional custom information about the user.
Correct Answer is : customData
9. Indexes are typically available in ______ or located sequentially on disk.
Correct Answer is : RAM
10. Point out the wrong statement :
Correct Answer is : More selective queries match a larger percentage of documents
11. ___________ is used to determine whether a query is a covered query.
Correct Answer is : explain()
12. The ________ message is used to update a document in a collection.
Correct Answer is : OP_UPDATE
13. Point out the correct statement :
Correct Answer is : The selectivity of regular expressions depends on the expressions themselves
14. _____ can modify specific fields of an existing document or documents or replace an existing document entirely, depending on the update parameter.
Correct Answer is : update()
15. The update() method uses the _______ command, which uses the default write concern.
Correct Answer is : update
16. _________ is used to view statistics about the query plan for a given query.
Correct Answer is : cursor.explain()
17. An ________ query plan has returned a threshold number of matching results
Correct Answer is : ordered
18. A query _______ consists of a combination of query, sort, and projection specifications.
Correct Answer is : shape
19. ___________ concern describes the guarantee that MongoDB provides when reporting on the success of a write operation.
Correct Answer is : Write
20. Point out the correct statement :
Correct Answer is : All of the mentioned
