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

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2. The Firebase data is representing ________ objects.

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

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3. Founders of Firebase?

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

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4. Which method used to update the Firebase data?

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

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5. 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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6. To authenticate a user, we can use the ?

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

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7. We can logout the user with the __________ method.

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

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8. 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

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9. 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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10. Which of the following ports not used by FCM?

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

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