General
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2. **Operable**: UI navigable by all input methods (keyboard
touch
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General
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| A | Minimum baseline | Missing alt text
no keyboard access
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General
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Accessibility Expert
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General
PromptBeginner5 minmarkdown
| Lambda errors | >1% | >5% | Investigate
rollback |
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General
PromptBeginner5 minmarkdown
description: Tests and remediates accessibility issues for WCAG compliance and assistive technology compatibility. Use when (1) auditing UI for accessibility violations
(2) implementing keyboard navigation or screen reader support
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General
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| Serverless | Lambda | Duration
Errors
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Data
PromptBeginner5 minmarkdown
| Database | RDS/Aurora | DatabaseConnections
ReadLatency
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General
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| Storage | S3 | BucketSizeBytes
NumberOfObjects
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General
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| EC2 CPU | >${cpu_warning:70%} 5min | >${cpu_critical:90%} 5min | Scale out
investigate |
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General
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| RDS CPU | >${rds_cpu_warning:80%} 5min | >${rds_cpu_critical:95%} 5min | Scale up
query optimization |
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General
PromptBeginner5 minmarkdown
+-- RDS
ElastiCache
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General
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| Tier 4 (Non-critical) | <24 hours | <24 hours | Single region
backup/restore |
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General
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| Compute | EC2/ECS | CPUUtilization
MemoryUtilization
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General
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Action: [s3:GetObject
s3:PutObject]
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General
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| Lambda (1M invocations
1s
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General
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- Interface Endpoints: ECR
Secrets Manager
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General
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| +-- Application tier (ECS
EC2
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Data
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+-- Data Subnets (${data_subnet_cidr:10.0.20.0/24}
10.0.21.0/24
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General
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+-- Private Subnets (${private_subnet_cidr:10.0.10.0/24}
10.0.11.0/24
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General
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+-- Public Subnets (${public_subnet_cidr:10.0.0.0/24}
10.0.1.0/24
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General
PromptBeginner5 minmarkdown
+-> Batch jobs
queue-based
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General
PromptBeginner5 minmarkdown
| +-- ALB
NAT Gateways
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General
PromptBeginner5 minmarkdown
3. Optimizing AWS costs (right-sizing
Reserved Instances
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General
PromptBeginner5 minmarkdown
AWS Cloud Expert
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