At what geographic level do Athena and S3 operate?
Regional
What is the maximum number of GSIs and LSIs you can create in DynamoDB?
20 GSIs, 5 LSIs
What recommendations can S3 storage class analysis make?
When to move from standard to one of the IA storage classes
What does AWS Data Exchange allow you to do?
Connect to 3rd party data sources
At what level do Crawlers infer the schema? Why?
At the folder level
This allows it to group together schemas that are similar if there are a few of them and note them as partitions of the same table
What is the maximum size of a partition in DDB?
10GB
Can S3 events go to FIFO SQS queues?
No
Can Glue Crawlers crawl views?
Yes
Does EventBridge work with DDB?
No, that is why DDB streams exists
What are Lambda layers?
.zip files that you can add to a Lambda function that contain additional code or data
What is Athena Federated Query?
A feature that allows you to query data across multiple data sources in your environment, e.g. RDS, Redshift and your standard S3
Is it possible to use a Lifecycle Transition to move something into S3 Standard?
No
Can KDF put data in multiple repositories at once using one stream?
No, but it can do primary delivery to 1 repo and then if this fails it can put that in S3
How long do you have to wait to move an object from S3 standard to move it to IA?
30 days
Can object metadata be encrypted with SSE?
No
Does a recovered instance keep the same ID, private IPs and elastic IPs as the original?
Yes