← AWS Certified Developer - Associate
AWS · objective · 18% of the exam
Troubleshooting and Optimization — AWS Certified Developer - Associate
The official AWS documentation our Troubleshooting and Optimization practice questions are cited to. Review the primary sources, then practise.
Official references for this objective
-
Amazon Web Services — Cost optimization - AWS Support
if there are Amazon EC2 instances that have been stopped for more than 30 days. You can specify the allowed number of days value in
-
Amazon Web Services — Best practices for Amazon RDS - Amazon Relational Database Service
Continue to scale up until ReadIOPS no longer drops dramatically after a scaling operation, or ReadIOPS is reduced to a very small amount.
-
Amazon Web Services — Tips for Right Sizing - Right Sizing: Provisioning Instances to Match Workloads
Maximum NetworkIn (or NetworkOut) x 8 (bytes to bits) /1024/1024/ 60 = Number of Mbps
-
Amazon Web Services — Using Amazon CloudWatch alarms - Amazon CloudWatch
Using composite alarms can reduce alarm noise. You can create multiple metric alarms, and also create a composite alarm and set up alerts only for
-
Amazon Web Services — Viewing EC2 Auto Scaling group recommendations - AWS Compute Optimizer
High — The recommended instance type has different CPU architecture from the current instance type, and the workload has no known compatible version on the
-
Amazon Web Services — AWS X-Ray - AWS Prescriptive Guidance
The X-Ray service map is a visual tool that helps you identify where errors are occurring, connections with high latency, or traces for unsuccessful requests.