#Aws
118 posts
AWS Certified CloudOps Engineer - Associate (SOA-C03) #15 Full-Scale Multiple-Choice Mock Exam — 50 Questions + Explanations
The final post of the SOA-C03 series. Matched to the real exam's domain weights (monitoring 22% , reliability 22% , deployment automation 22% , networking 18% , security 16%), you solve 50 questions and find your weak domains through each question's answer and explanation. Solve them on the clock, then go back to the relevant domain post to shore up any gaps.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #14 Exam Tips and Common Operational Scenario Mistakes
The fourteenth post of the SOA-C03 series, a final review right before the exam. It covers the common pitfalls that cut across domains, the keywords that separate similar services, how to read scenario questions, time management strategy, and a final pre-exam checklist.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #13 Domain 5-2 Security — Config, CloudTrail, GuardDuty, Security Hub, KMS
The thirteenth post in the SOA-C03 series covers detection and audit, plus encryption, the second axis of the security domain. It covers how to audit API calls with CloudTrail, how to evaluate configuration compliance and auto-remediate with AWS Config, GuardDuty threat detection, the unified score in Security Hub, and KMS key operations.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #12 Domain 5-1 Security — IAM,Organizations,Multi-account Operations
The twelfth post of the SOA-C03 series covers identity and multi-account governance, the first topic of the security domain (16%). It covers IAM permission operations, the credential report and IAM Access Analyzer, MFA enforcement, AWS Organizations and SCPs, and multi-account standardization.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #11 Domain 4-2 Networking — Route 53,CloudFront,Delivery Operations
The eleventh post of the SOA-C03 series covers the second axis of the networking domain: DNS and content delivery. From an operations perspective, it organizes Route 53 record types and routing policies, health checks and failover, CloudFront caching and origin configuration, ACM certificates, and delivery troubleshooting such as caching and latency.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #10 Domain 4-1 Networking — VPC Operations and Connectivity Troubleshooting
The tenth post of the SOA-C03 series covers VPC operations, the first topic in the networking domain (18%). It covers route tables and gateways, the difference between security groups and NACLs, NAT and VPC endpoints, peering and Transit Gateway, and where to check and in what order when connectivity fails.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #9 Domain 3-3 Deployment — Container Operations (ECS, EKS, ECR)
The ninth post of the SOA-C03 series covers container operations, newly added in SOA-C03. It covers the difference between ECS and EKS, choosing between the Fargate and EC2 launch types, how to store and scan images with ECR, container logging and monitoring, and deployment and scaling operations.
AWS Certified Developer - Associate (DVA-C02) #15 Full-Scale Multiple-Choice Mock Exam — 50 Questions + Explanations
The final post of the DVA-C02 series. Matched to the real exam's domain weights (development 32% , security 26% , deployment 24% , troubleshooting and optimization 18%), you solve 50 questions and find your weak domains through each question's answer and explanation. Solve them on the clock, then go back to the relevant domain post to shore up any gaps.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #8 Domain 3-2 Deployment: Systems Manager Operations Automation
The eighth post of the SOA-C03 series covers Systems Manager, the core tool of the deployment and automation domain. It covers how to manage config and secrets with Parameter Store, apply patches in bulk with Patch Manager, maintain a desired state with State Manager, connect securely without keys via Session Manager, and also covers Run Command and Automation.
AWS Certified Developer - Associate (DVA-C02) #14 Exam Tips and Frequently Missed Patterns
The post right before the wrap-up of the DVA-C02 series. It lays out time management for 65 questions in 130 minutes, how to filter answer choices with constraint keywords, handling multiple-response and BEST/MOST questions, the most frequently confused concept pairs in DVA (SQS vs SNS vs EventBridge, User Pool vs Identity Pool, Secrets Manager vs Parameter Store, etc.), a per-domain keyword→service quick mapping, and a just-before-the-exam checklist.
AWS Certified CloudOps Engineer - Associate (SOA-C03) #7 Domain 3-1 Deployment — CloudFormation in Depth and IaC
The seventh post of the SOA-C03 series covers CloudFormation, the first topic of the deployment and automation domain (22%). It covers the structure of stacks and templates, change sets and drift detection, stack policies and deletion protection, StackSets for deploying across multiple accounts and regions, and the relationship with other IaC tools such as CDK and Terraform.
AWS Certified Developer - Associate (DVA-C02) #13 Domain 4-2 Troubleshooting and Optimization — Optimization and Problem Solving
The second post of the DVA-C02 troubleshooting domain. It covers choosing caching layers (CloudFront,ElastiCache,DAX,API Gateway), Lambda performance tuning (the relationship between memory and CPU,cold starts,concurrency), handling DynamoDB throttling, and the error codes that frequently appear on the exam (429,502,504,ProvisionedThroughputExceededException, etc.) and how to read them. This is the final step of looking at metrics, narrowing down the cause, and fixing it.