每天半小时搞定 AoAWS (五)

Architecting on AWS 学习笔记系列文章导航页面

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20.For which of the following workloads should a Solutions Architect consider using Elastic Beanstalk?
Choose 2 answers from the options given below.
A. A Web application using Amazon RDS
B. An Enterprise Data Warehouse(数据仓库)
C. A long running worker process(监控)
D. A static website(Elastic Beanstalk仅仅是部署web应用程序而非搭建一个web site)
E. A management task run once on nightly basis

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

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21.An application with a 150 GB relational database runs on an EC2 Instance.
While the application is used infrequently with small peaks in the morning and evening, what is the MOST cost effective storage type among the options below?
A. Amazon EBS provisioned IOPS SSD
B. Amazon EBS Throughput Optimized HDD
C. Amazon EBS General Purpose SSD
D. Amazon EFS
https://aws.amazon.com/cn/ebs/features/

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22.An administrator runs a highly available application in AWS.
A file storage layer is needed that can share between EC2 instances and scale the platform more easily. Which AWS service can perform this action?
A. Amazon EBS
B. Amazon EFS
C. Amazon S3
D. Amazon EC2 Instance store

Note:
Amazon EFS provides scalable file storage for use with Amazon EC2. You can create an EFS file system and configure your instances to mount the file system. The EFS file system can be used as a common data source for workloads and applications running on multiple instances. For more information on AWS EFS, please visit the following URL: (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AmazonEFS.html)

S3 object-based storage

EBS is block based storage

Instance stores are ephemeral.

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