Exam AWS Certified Solutions Architect - Associate SAA-C02 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 63 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02

Question #: 63
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A media streaming company collects real-time data and stores it in a disk-optimized database system. The company is not getting the expected throughput and wants an in-memory database storage solution that performs faster and provides high availability using data replication.
Which database should a solutions architect recommend?

A. Amazon RDS for MySQL
B. Amazon RDS for PostgreSQL.
C. Amazon ElastiCache for Redis
D. Amazon ElastiCache for Memcached

Show Suggested Answer

Suggested Answer: C 🗳️

by frizzo at June 3, 2020, 12:53 p.m.

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frizzo

Highly Voted 3 years, 11 months ago

C is correct.

upvoted 41 times

aguy9

3 years, 10 months ago

Answer is C. Redis lets you create multiple replicas of a Redis primary. This allows you to scale database reads and to have highly available clusters. Memcached does not. https://aws.amazon.com/elasticache/redis-vs-memcached/

upvoted 14 times

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nemisis95

Highly Voted 3 years, 10 months ago

C. Redis Keyphrases: "streaming company collects real-time data" "wants an in-memory database storage solution" https://aws.amazon.com/elasticache/ Amazon ElastiCache allows you to seamlessly set up, run, and scale popular open-Source compatible in-memory data stores in the cloud. Redis - real-time apps across versatile use cases like gaming, geospatial service, caching, session stores, or queuing, with advanced data structures, replication, and point-in-time snapshot support.

upvoted 29 times

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bishop7187

Most Recent 1 year, 11 months ago

Selected Answer: C

https://aws.amazon.com/elasticache/redis-vs-memcached/

upvoted 1 times

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Sachin032

2 years, 6 months ago

Selected Answer: C

Redis is in memory database , just not confuse with Redshift - redshift is postgres based data warehouse

upvoted 1 times

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17Master

2 years, 11 months ago

Selected Answer: C

https://aws.amazon.com/es/elasticache/redis-vs-memcached/

upvoted 2 times

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Vibes

3 years, 9 months ago

C is correct

upvoted 4 times

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karthisena

3 years, 9 months ago

REDIS • Multi AZ with Auto-Failover • Read Replicas to scale reads and have high availability • Data Durability using AOF persistence • Backup and restore features MEMCACHED • Multi-node for partitioning of data (sharding) • No high availability (replication) • Non persistent • No backup and restore • Multi-threaded architecture

upvoted 14 times

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karthisena

3 years, 9 months ago

Explanation: Amazon ElastiCache is an in-memory database. With ElastiCache Memcached there is no data replication or high availability. As you can see in the diagram, each node is a separate partition of data.

upvoted 4 times

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woke

3 years, 9 months ago

C. Amazon ElastiCache for Redis

upvoted 3 times

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elrmel

3 years, 9 months ago

Redis and Memacached both are okay for in-memory Cache but only redis can make replication.

upvoted 4 times

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KK_uniq

3 years, 9 months ago

C for sure

upvoted 1 times

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syu31svc

3 years, 9 months ago

Given answer is correct

upvoted 1 times

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mryala

3 years, 10 months ago

it's C

upvoted 1 times

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Ankitrathi85

3 years, 10 months ago

C right

upvoted 1 times

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AEN

3 years, 10 months ago

Ans is C

upvoted 2 times

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arunchu

3 years, 10 months ago

C is correct for me.

upvoted 2 times

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sorab

3 years, 10 months ago

A & B - Since we are talking about in-memory db, RDS in invalid option. C - correct answer D - Wrong, We need replication which is not supported by MemCached. ref: https://aws.amazon.com/elasticache/redis-vs-memcached/

upvoted 2 times

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