Exam 1 Flashcards
Does API Gateway just support GET, POST, PUT and DELETE?
No, it has support for all methods including HEAD, OPTIONS etc
What is the AWS alternative to managing a Docker container registry system on an EC2 instance
ECR - Elastic Container Registry
What is the default visibility timeout for a message in SQS?
30 seconds
What does a 4xx error mean
Client side error
What header do you need to add to a HTTP request to have S3 encrypt after upload?
x-amz-server-side-encryption
What language should you be proficient in to work with Step Functions?
JSON
What are 2 key differences between SQS and Kinesis Streams?
- Kinesis enables real-time streaming of big data
- SQS scales automatically to meet demand
What 2 services would you use to automate the deployment of astatic S3 website?
- CodeBuild
- CodePipeline
What 3 parameters must an IAM policy contain?
- Effect
- Actions
- Resources
What service would you use to migrate an existing REST API application which runs on-premise with an NGINX load balancer?
ElasticBeanstalk
What is the required provisioned read throughput if your application reads 1200 items from a table every minute using strong consistency and each item is 6KB in size?
40
1200 per minute = 20 per seconds. 6 KB gets rounded to 8 KB. 1 RCU = 4 KB, 2 RCU = 8 KB. 20 * 2 RCU = 40 RCU
Does CodePipline contain stages that have sets of actions, or actions that contain sets of stages?
Stages contain sets of actions
What AWS Load Balancer Type would handle websocket connections?
Application Load Balancer
If you have an IAM group that is set up for web designers and they all leave, what actions should you take?
Delete their user accounts from the group and keep the group empty
