AWS-ASS考试中遇到的纠结题目们

hanxuema

annahw 发表于 2019-12-23 17:11
再请教一个，感觉汉血马水平好高，期待再来做答……

A customer has written an application that us ...

B和C呢？

不过这道题目的考点是S3 Data Consistency Model， 因为S3用eventual consistency for overwrite PUTS and DELETES，所以会有stale data.

annahw

https://amazonaws-china.com/cn/b ... erformance-testing/

annahw

随着复习的深入，上一轮时的疑惑到本轮解开了，心中喜悦如花般绽放。可是遇到不会的题目，心情又低到了尘埃里。发出来，获得解答，就如尘埃中又开出一朵花来。

A company is launching a dynamic website and the Operations team expects up to 10 times the traffic on the launch date. This website is hosted on Amazon EC2 instances and traffic is distributed by Amazon Route 53. A Solutions Architect must ensure that there is enough backend capacity to meet user demands. The Operations team wants to scale down as quickly as possible after the launch.What is the MOST cost-effective and fault-tolerant solution that will meet the company's customer
demands? (Select TWO)
A. Set up an Application Load Balancer to distribute traffic to multiple EC2 instances
B. Set up an Auto Scaling group across multiple Availability Zones for the website, and create scale- out and scale-in policies
C. Create an Amazon CloudWatch alarm to send an email through Amazon SNS when EC2 instances experience higher loads
D. Create an AWS Lambda function to monitor website load time, run it every 5 minutes, and use the AWS SDK to create a new instance if website load time is longer than 2 seconds
E. Use Amazon CloudFront to cache the website content during launch, and set a TTL for cache content to expire after the launch date

hanxuema

annahw 发表于 2019-12-24 19:24
随着复习的深入，上一轮时的疑惑到本轮解开了，心中喜悦如花般绽放。可是遇到不会的题目，心情又低到了尘埃 ...

A. Set up an Application Load Balancer to distribute traffic to multiple EC2 instances
B. Set up an Auto Scaling group across multiple Availability Zones for the website, and create scale-out and scale-in policies