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Zorluk: KolayAWS Database Services

A company is building a mobile application and needs to select two AWS database services. They require a NoSQL database to store key-value user preferences with single-digit millisecond latency, and an in-memory database cache to speed up reads of frequently accessed data. Which TWO services should the company select?

  1. Amazon DynamoDBCevap
  2. Amazon ElastiCacheCevap
  3. C
    Amazon Aurora
  4. D
    Amazon Redshift
  5. E
    Amazon Neptune

Cevap

Amazon DynamoDB and Amazon ElastiCache are the correct choices.
Amazon DynamoDB and Amazon ElastiCache are correct. Amazon DynamoDB is a managed NoSQL database service providing single-digit millisecond response times for key-value data, while Amazon ElastiCache is an in-memory cache service designed to accelerate read-heavy database workloads.

Adım Adım Çözüm

1
Identify the service that provides a key-value NoSQL database with single-digit millisecond latency.
Amazon DynamoDB fits this requirement.
Amazon DynamoDB is a managed NoSQL database built for single-digit millisecond latency at any scale.
2
Identify the service that provides an in-memory cache to speed up reads.
Amazon ElastiCache fits this requirement.
Amazon ElastiCache is a managed in-memory data store that acts as a cache to improve application read performance.

Anahtar Kavram

AWS Database Types and Services selection based on use cases (NoSQL key-value vs. In-memory caching)
Tahmini Süre:45s
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AWS Database Services

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