Redis MCQ Questions And Answers

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

1. Redis is a?

A. NoSQL database
B. Relational database
C. End-user database
D. Commercial database

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2. Redis Developer?

A. C. Redis
B. P. Redis
C. Redis Labs
D. Z. Redis

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3. Redis is very fast and can perform about ___________ SETs per second?

A. 10000
B. 110000
C. 1000000
D. 111000

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4. To update configuration, you can edit redis.conf file directly or you can update configurations via?

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

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5. How many types of data types redis supports?

A. 3
B. 4
C. 5
D. 6

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6. Which of the following is a key in string?

SET name "letsfindcourse" 

A. name
B. get
C. set
D. None of the above

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7. What is time complexity for sets in redis?

A. O(N)
B. O(N*N)
D. O(1)

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8. Which of the following basic syntax of Redis client?

A. $redis-client
B. $redis cli
C. $redis-cli
D. $redis client

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9. The below command is used to?

DEL letsfindcourse

A. The command used to delete the command.
B. The command is used to delete the key.
C. The command is used to set the keys.
D. None of the above

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10. Which of the following command is used to Changes the key name?

A. RENAME key newkey
C. RENAMENX key newkey
D. TYPE key

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