Which command is used to set a specific bit in a Redis Bitmap?
GETBIT
BITOP
BITCOUNT
SETBIT
What is the primary purpose of using a Redis Cluster?
To enable efficient message queuing and pub/sub functionality.
To enhance data security with built-in encryption.
To improve the performance of complex sorted set operations.
To distribute data and handle larger datasets than a single Redis instance can manage.
When integrating Redis as a cache layer with a database, what strategy ensures data consistency between the cache and the database?
Read-through cache
Write-through cache
All of the above
Cache-aside pattern
What is the key difference between traditional locking and optimistic locking in Redis?
Traditional locking is only available in Redis Cluster, while optimistic locking can be used in standalone mode.
Traditional locking is used for read operations, while optimistic locking is used for write operations.
Traditional locking blocks other clients, while optimistic locking allows concurrent access but detects conflicts.
Traditional locking is implemented with WATCH, while optimistic locking uses MULTI and EXEC.
WATCH
MULTI
EXEC
In a Redis transaction, what happens if one of the commands within the transaction fails?
The transaction remains pending until the failed command can be executed.
Redis throws an error and halts all operations.
Only the failed command is skipped, and the rest of the transaction continues.
The entire transaction is rolled back, and no commands are executed.
What technique involves splitting your data across multiple Redis instances to handle datasets larger than the memory of a single server?
Data Pipelining
Sharding
Hashing
Replication
How does the WATCH command help in implementing optimistic locking in Redis?
It prevents other clients from reading the watched keys.
It monitors the watched keys for changes by other clients.
It acquires an exclusive lock on the watched keys.
It sets a time-to-live (TTL) on the watched keys.
What units can be used to specify the radius in the GEORADIUS command?
GEORADIUS
Only kilometers
Only degrees
Only meters
Meters, kilometers, miles, feet
Which of the following is NOT a typical use case for integrating Redis with a SQL database?
Implementing a real-time leaderboard by leveraging Redis' sorted sets.
Offloading write operations from the database to handle high traffic.
Storing large blobs of unstructured data like images or videos.
Caching frequently accessed data to improve read performance.
What is the minimum number of Redis nodes required to create a functional Redis Cluster?
1
6
3
2