Redis quiz

Test your Redis knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

Redis is best described as:

1. Redis is best described as:
2. An RDB snapshot is best described as:
3. `redis-cli` is:
4. `INCR mykey` does what?
5. `SELECT 2` in `redis-cli`:
6. Redis offers persistence via:
7. AOF (Append-Only File) records:
8. Master-replica replication in Redis is:
9. Which datatype gives unique, unordered members with O(1) `add`, `remove`, `member-check`?
10. How do you set a key to automatically expire after 60 seconds?
11. Pub/sub in Redis works how?
12. What is Redis?

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