Firebase Questions and Answers

11. Which of the following is not an Firebase Advantages?

A. No need for complicated configuration.
B. The data is real-time
C. Firebase offers simple control dashboard
D. Firebase free plan is limited to 50 Connections

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12. Firebase Year of invention?

A. 2011
B. 2012
C. 2013
D. 2014

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13. Which method will write or replace data on a specified path?

A. SET
B. GET
C. PUT
D. USE

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14. The ______________ method will create a unique id when the data is pushed.

A. pop()
B. key()
C. push()
D. unique()

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15. If we want to get access of deleted data, we can use _________ event type.

A. value
B. child_added
C. child_changed
D. child_removed

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16. When we want to detach all callbacks, we can use : playersRef.off();

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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17. which of the following are correct filtering method in Firebase?

A. equalTo() method
B. endAt() method
C. startAt() method
D. All of the above

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18. What is the full form of FCM in firebase?

A. Firebase Cloud Merge
B. Firebase Cloud Messaging
C. Flexible Cloud Messaging
D. None of the above

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19. How many types of Firebase Database Rule?

A. 2
B. 3
C. 4
D. 5

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20. Which API clears the saved Dynamic Link to prevent it from being accessed twice?

A. getInvitation API
B. get API
C. setInvitation API
D. set API

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