ElastiCache

Question 1

Elasticache

Answer 1

In-memory data stores

Question 2

Benefit

Elasticache

Answer 2

Very low latency

Elasticache

Question 3

Use cases (2)

Elasticache

Answer 3

• Database layer caching
• Session storage

Elasticache

Question 4

benefit to DB

Elasticache

Answer 4

reduces load for intensive read workloads

Elasticache

Question 5

stateless session management

Elasticache

Answer 5

user sessions stored in one cache for many instances of application

Elasticache

Question 6

fully managed

Elasticache

Answer 6

AWS takes care of security, patching, DR

Elasticache

Question 7

application requirement

Elasticache

Answer 7

major changes in application required

Elasticache

Question 8

REDIS

Elasticache

Answer 8

DB Caching

Elasticache

Question 9

features (4)

REDIS

Answer 9

• scaling
• replicas
• multi-AZ
• backup

REDIS

Question 10

sets and sorted sets

REDIS

Answer 10

groups of unique strings

REDIS

Question 11

MEMCACHED

Elasticache

Answer 11

session state storage

Elasticache

Question 12

sharding

MEMCACHED

Answer 12

muli-node partitioning of data

MEMCACHED

Question 13

performance feature

MEMCACHED

Answer 13

multithreaded architecture

MEMCACHED

Question 14

Authentication supported (2)

REDIS

Answer 14

• IAM Authentication
• Redis AUTH

REDIS

Question 15

IAM policy usage

REDIS

Answer 15

API-level security only

REDIS

Question 16

Redis AUTH

REDIS

Answer 16

extra security in addition to security groups

REDIS

Question 17

can set this when creating a cluster

Redis AUTH

Answer 17

password/token

Redis AUTH

Question 18

data transfer security feature

Redis AUTH

Answer 18

SSL in flight encryption

Redis AUTH

Question 19

authentication feature

MEMCACHED

Answer 19

SASL-based authentication

MEMCACHED

Question 20

Elacticache patterns (3)

Elasticache

Answer 20

• Lazy loading
• write through
• session

Elasticache

Question 21

Lazy loading

Elacticache pattern

Answer 21

all read data is cached

Elacticache pattern

Question 22

Write through

Elacticache pattern

Answer 22

data is added or updated in cache when written to DB

Elacticache pattern

Question 23

benefit

Write through

Answer 23

data is never stale

Write through

Question 24

Redis with sorted sets use case

REDIS

Answer 24

gaming leaderboard

REDIS

Question 25

In-memory data stores

Answer 25

Elasticache

Question 26

Very low latency | Elasticache

Answer 26

Benefit | Elasticache

Question 27

* Database layer caching * Session storage | Elasticache

Answer 27

Use cases (2) | Elasticache

Question 28

reduces load for intensive read workloads | Elasticache

Answer 28

benefit to DB | Elasticache

Question 29

user sessions stored in one cache for many instances of application | Elasticache

Answer 29

stateless session management | Elasticache

Question 30

AWS takes care of security, patching, DR | Elasticache

Answer 30

fully managed | Elasticache

Question 31

major changes in application required | Elasticache

Answer 31

application requirement | Elasticache

Question 32

DB Caching | Elasticache

Answer 32

REDIS | Elasticache

Question 33

* scaling * replicas * multi-AZ * backup | REDIS

Answer 33

features (4) | REDIS

Question 34

groups of unique strings | REDIS

Answer 34

supports sets and sorted sets | REDIS

Question 35

session state storage | Elasticache

Answer 35

MEMCACHED | Elasticache

Question 36

muli-node partitioning of data | MEMCACHED

Answer 36

sharding | MEMCACHED

Question 37

multithreaded architecture | MEMCACHED

Answer 37

feature | MEMCACHED

Question 38

* IAM Authentication * Redis AUTH | REDIS

Answer 38

Authentication supported (2) | REDIS

Question 39

API-level security only | REDIS

Answer 39

IAM policy usage | REDIS

Question 40

extra security in addition to security groups | REDIS

Answer 40

Redis AUTH | REDIS

Question 41

password/token | Redis AUTH

Answer 41

can set this when creating a cluster | Redis AUTH

Question 42

SSL in flight encryption | Redis AUTH

Answer 42

TLS is used for this | Redis AUTH

Question 43

SASL-based authentication | MEMCACHED

Answer 43

authentication feature | MEMCACHED

Question 44

* Lazy loading * write through * session | Elasticache

Answer 44

Elacticache patterns (3) | Elasticache

Question 45

all read data is cached | Elacticache pattern

Answer 45

Lazy loading | Elacticache pattern

Question 46

data is added or updated in cache when written to DB | Elacticache pattern

Answer 46

Write through | Elacticache pattern

Question 47

data is never stale | Write through

Answer 47

benefit | Write through

Question 48

gaming leaderboard | REDIS

Answer 48

Redis with sorted sets use case | REDIS