Firebase MCQ Questions And Answers

Firebase MCQs : This section focuses on "Basics" of Firebase. These Multiple Choice Questions (MCQ) should be practiced to improve the Firebase skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Firebase is a backend platform for building?

A. Web
B. Android
C. IOS
D. All of the above

View Answer


2. 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

View Answer


3. The Firebase data is representing ________ objects.

A. SQL
B. Mongo
C. JSON
D. Javascript

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4. Firebase Year of invention?

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

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5. Founders of Firebase?

A. Google
B. James Tamplin
C. Donald D. Chamberlin
D. Raymond F. Boyce

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

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

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7. Which method used to update the Firebase data?

A. alter
B. put
C. set
D. update

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

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

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9. We can get any key from Firebase by using the ________ method.

A. key()
B. firebase.key()
C. fb.key()
D. firebase().key

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10. 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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11. To authenticate a user, we can use the ?

A. createEmailAndPassword()
B. createUser()
C. createUserWithEmailAndPassword()
D. createWithEmailAndPassword()

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12. 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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13. We can logout the user with the __________ method.

A. Exit()
B. signOut()
C. POP()
D. POPOUT()

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

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

View Answer


15. Which of the following is best practices for firebase?

A. Avoid Nesting Data
B. Denormalize Data
C. Both A and B
D. None of the above

View Answer


16. 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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17. limitToFirst method returns the specified number of items beginning from the first one.

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

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18. How many types of Firebase Database Rule?

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

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19. Which of the following ports not used by FCM?

A. 5228
B. 5229
C. 5230
D. 5231

View Answer


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

View Answer





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