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Redis Interview Questions and Answers
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Questions
Redis
0
votes
Q: The following are commands of sorted sets, except ________.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
zrangebyex
0
votes
Q: The data structure commonly used in Redis is ____________.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
data-structure
0
votes
Q: Given is a code snippet.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
0
votes
Q: Consider “a” as a shared key among two processes, A and B.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
0
votes
Q: _________ returns the number of elements in a set.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
element
0
votes
Q: Which of the following set commands removes and returns members of a set?
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
member-set
0
votes
Q: The following are all Key Value databases, except __________.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
key-value
redis
0
votes
Q: Redis can be configured to meet different requirements by editing the configuration settings in __________.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
configuraiton
0
votes
Q: redis.conf is configured for changing ____________ to connect to the Redis server.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis-conf
configuation
0
votes
Q: Redis provides multi-state architecture during replication, where every instance can both read and write.
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
replication
0
votes
Q: Which is the default persistence mode in Redis?
asked
Oct 6, 2022
in
Redis
by
sharadyadav1986
persistence
redis
0
votes
Q: Which configuration setting specifies the file to which the RDB snapshot dump is saved?
asked
Oct 6, 2022
in
Redis
by
Robindeniel
configuration
redis
0
votes
Q: When using Pipelining, will the additional memory used be high?
asked
Oct 6, 2022
in
Redis
by
Robindeniel
redis
memory
pipeline
0
votes
Q: Redis is widely used as a secondary database for ___________.
asked
Oct 6, 2022
in
Redis
by
Robindeniel
redis
secondary-database
0
votes
Q: Which is a difference between Memcached and Redis?
asked
Oct 6, 2022
in
Redis
by
Robindeniel
redis
memcached
0
votes
Q: Which is the best way to achieve persistence in Redis?
asked
Oct 6, 2022
in
Redis
by
Robindeniel
aof
redis
persistence
0
votes
Q: ____________ is the number of sentinels that need to agree to the fact that the master is not reachable and make a failover procedure promoting the slave to master.
asked
Oct 6, 2022
in
Redis
by
Robindeniel
redis
master
slave
0
votes
Q: Redis string cannot hold any value beyond a certain length. What is it?
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
string
0
votes
Q: In a key-value pair, _________ is represented by a string.
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
key-pair-value
redis
0
votes
Q: List is a sequence of ___________.
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
list
0
votes
Q: _________ is the technique of breaking down data into multiple parts.
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
technique
0
votes
Q: ____________ is the memory eviction policy where keys are evicted by removing the less recently used keys first but only among keys that have an ‘expire’ field set, to make space for the newly added data.
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
memory
eviction-policy
0
votes
Q: In-Memory database stores data in the memory.
asked
Oct 4, 2022
in
Redis
by
sharadyadav1986
memory-database
redis
0
votes
Q: Which is the mechanism to enforce limits on the access of a resource when multiple threads are executed?
asked
Oct 4, 2022
in
Redis
by
john ganales
redis
multiple-thread
0
votes
Q: How many commands can be sent to a server in pipelining?
asked
Oct 4, 2022
in
Redis
by
john ganales
redis
pipelining
0
votes
Q: Consider an example where a range of users from 0 to 10000 goes to a Redis instance R0, and another range of users 10001 to 20000 goes to R1. This is _________ partitioning.
asked
Oct 4, 2022
in
Redis
by
john ganales
hash-partitioning
erdis
0
votes
Q: Twemproxy is a proxy developed at Twitter for Redis protocol for automatic partitioning among multiple Redis instances and optional ejection of the node if it is not available.
asked
Oct 4, 2022
in
Redis
by
john ganales
twemproxy
proxy
redis
0
votes
Q: Which among the following is a benefit of Pipelining?
asked
Oct 4, 2022
in
Redis
by
john ganales
redis
pipelining
0
votes
Q: Which configuration setting is used to specify the memory eviction policy in Redis?
asked
Oct 4, 2022
in
Redis
by
john ganales
redis
configuration-settings
0
votes
Q: _________ is the memory policy that returns errors when the memory limit is reached, and the client is trying to execute commands that result in higher memory usage.
asked
Oct 4, 2022
in
Redis
by
john ganales
redis
memory-policy
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