Practice test 1 Flashcards
Lambda@Edge runs closer …
… to the user location
How can you setup an origin fail over in CloudFront ?
Set up primary and a secondary origins. CloudFront automatically switches when the primary origin returns specific status code failures
What is HTTP code 504 ?
504 is Gateway Timeout
How can you alleviate occasional 504 errors in Cloud Front ?
Setting up origin fail over to a secondary origin
How to increase the Cache duration in Cloud Front ?
Add the Cache-Control max-age directive to your objects
Do you poll or do you subscribe to an SNS topic?
You subscribe
What do you do at the end of the test ?
Verify that you always selected TWO options when needed
S3 Hierarchy
- S3 Standard
- S3 Standard-IA
- S3 Intelligent-Tiering
- S3 One Zone-IA
- S3 Glacier
- S3 Glacier Deep Archive
What is Amazon DLM is used for ?
You can use Amazon Data Lifecycle Manager to automate the creation, retention, and deletion of EBS snapshots and EBS-backed AMIs.
IAM DB Authentication can be used to…
… authenticate users in RDS databases MySQL and PostgresSQL
How to better monitor and RDS database ?
Enable Enhanced Monitoring in RDS
How can you protect applications behind API Gateway from traffic spikes ?
Use throttling limits in API Gateway
Which custom metrics in CloudWatch need to be set up manually ?
- Memory utilization
- Disk swap utilization
- Disk space utilization
- Page file utilization
- Log collection
Which EC2 Metric are available by default in CloudWatch ?
- CPU Utilization
- Network Utilization (Bytes in/out)
- Disk reads and writes
What is AWS STS used for ?
AWS Security Token Service is used to generate temporary tokens