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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 ________.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
zrangebyex
0
votes
Q: The data structure commonly used in Redis is ____________.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
data-structure
0
votes
Q: Given is a code snippet.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
0
votes
Q: Consider “a” as a shared key among two processes, A and B.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
0
votes
Q: _________ returns the number of elements in a set.
answered
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?
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
member-set
0
votes
Q: The following are all Key Value databases, except __________.
answered
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 __________.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
configuraiton
0
votes
Q: redis.conf is configured for changing ____________ to connect to the Redis server.
answered
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.
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
redis
replication
0
votes
Q: Which is the default persistence mode in Redis?
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
persistence
redis
0
votes
Q: Redis is single threaded
answered
Oct 6, 2022
in
Redis
by
sharadyadav1986
#redis
0
votes
Q: Which configuration setting specifies the file to which the RDB snapshot dump is saved?
answered
Oct 6, 2022
in
Redis
by
Robindeniel
configuration
redis
0
votes
Q: When using Pipelining, will the additional memory used be high?
answered
Oct 6, 2022
in
Redis
by
Robindeniel
redis
memory
pipeline
0
votes
Q: Redis is widely used as a secondary database for ___________.
answered
Oct 6, 2022
in
Redis
by
Robindeniel
redis
secondary-database
0
votes
Q: Which is a difference between Memcached and Redis?
answered
Oct 6, 2022
in
Redis
by
Robindeniel
redis
memcached
0
votes
Q: Which is the best way to achieve persistence in Redis?
answered
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.
answered
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?
answered
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
string
0
votes
Q: In a key-value pair, _________ is represented by a string.
answered
Oct 4, 2022
in
Redis
by
sharadyadav1986
key-pair-value
redis
0
votes
Q: List is a sequence of ___________.
answered
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
list
0
votes
Q: _________ is the technique of breaking down data into multiple parts.
answered
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.
answered
Oct 4, 2022
in
Redis
by
sharadyadav1986
redis
memory
eviction-policy
0
votes
Q: In-Memory database stores data in the memory.
answered
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?
answered
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?
answered
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.
answered
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.
answered
Oct 4, 2022
in
Redis
by
john ganales
twemproxy
proxy
redis
0
votes
Q: Which among the following is a benefit of Pipelining?
answered
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?
answered
Oct 4, 2022
in
Redis
by
john ganales
redis
configuration-settings
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