每天半小时搞定 AoAWS (十)

Architecting on AWS 学习笔记系列文章导航页面

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35.A company is generating large datasets with millions of rows to be summarized column-wise.
Existing business intelligence tools will be used to build daily reports from these datasets.
Which storage service meets these requirements?
A. Amazon Redshift
B. Amazon RDS
C. ElastiCache
D. DynamoDB

Note:
https://docs.aws.amazon.com/zh_cn/redshift/latest/mgmt/welcome.html

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36.A company is developing a web application to be hosted in AWS.
This application needs a data store for session data. As an AWS Solution Architect, which of the following would you recommend as an ideal option to store session data? Choose 2 answers from the options given below.
A. CloudWatch
B. DynamoDB
C. Elastic Load Balancing
D. ElastiCache
E. Storage Gateway

Note:
https://aws.amazon.com/cn/elasticache/

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37.An application needs to have a Data store hosted in AWS.
The following requirements are in place for the Data store:
a) An initial storage capacity of 8 TB
b) The ability to accommodate a database growth of 8GB per day
c) The ability to have 4 Read Replicas
Which of the following Data stores would you choose for this requirement?
A. DynamoDB
B. Amazon S3
C. Amazon Aurorad

Note:
Read Replica only exist for RDS of AWS!
AWS Aurora是为云平台构建的兼容MySQL的企业级关系数据库引擎，关于数据库迁移，把重点从“升级和转移”的方式转变为迁移（也即，按原样迁移并运行到云虚拟服务器上）到完全可管理的、云本地数据库服务。Amazon Aurora的主要目标之一是以成本效益高的方式来克服传统数据库的性能、可扩展性和可用性的限制，类似于开源数据库。Amazon Aurora在提供类似的性能和高可用性的同时，以商业数据库的十分之一的价格提供了比MySQL高五倍的性能。

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