What is the expected return value of 'EXISTS user' if the 'user' key is present in Redis?
0
1
False
True
How do you delete a key-value pair in Redis where the key is 'city'?
DELETE city
ERASE city
REMOVE city
DROP city
Which command is used to decrease the value of a key by 1 in Redis?
SUB
MINUS
DECREMENT
DECR
What is the correct way to set a key-value pair named 'mykey' with the value 'myvalue' using redis-py?
r.assign('mykey', 'myvalue')
r.set('mykey', 'myvalue')
r.put('mykey', 'myvalue')
r.insert('mykey', 'myvalue')
Which AOF configuration option tells Redis to rewrite the AOF file periodically to reduce its size?
aof_optimize
aof_compact_size
aof_rewrite_frequency
aof_rewrite_threshold
Which method is used to check if a key exists in a Redis database using redis-py?
r.exists('mykey')
r.contains('mykey')
r.check('mykey')
r.has_key('mykey')
What type of data structures does Redis support?
Only key-value pairs
Exclusively JSON documents
Strings, lists, sets, and hashes
Only strings
What is the primary difference between a Redis Set and a Redis List?
There is no difference
Sets are ordered, Lists are unordered
Sets do not allow duplicates, Lists allow duplicates
Sets allow duplicates, Lists do not
What is a potential drawback of using only RDB snapshots for persistence in Redis?
Slow write speeds
Complex configuration
Potential data loss between snapshots
High memory usage
Which Redis persistence option offers a more durable approach, potentially reducing data loss?
Both are equally durable
AOF
Neither
RDB