Tips and tricks AWS Solutions Architect Associate #2
lambda
- (Python, C#, Ruby, Java, rust, Go lang)
- execution time : 15 min max
- use layers
- Throttle error 429
- 512 Mo RAM max
- 1000 max in //
VPC Security group is stateful, NACL is stateless NACL needs inbound and outbound rules Default SG is not enought A public subnet does not imply a public IP Bastion Host
Cloud Front CloudFront Functions These two types of functions can be executed during the processing of incoming or outgoing requests in AWS, and are integrated within CloudFront. cloud functions javascript < 1 ms cache key header rewrite no access to resource like subnet, database lambda edge functions change request and response 5-10s access to…
Snow Family (Offline Data Transfer) Snowcone: Small device (~8 TB) → data transfer to S3/EC2. Snowball Edge: Larger device (~20–80 TB), with compute/storage options. Snowmobile: Truck-sized (up to 100 PB) for massive data migration. FSx (Managed File Systems) FSx for Windows Server: Supports AD integration, SQL Server, SMB protocol. ❌ No NFS. ✅ Multi-AZ. FSx…
Big Data & Analytics Services EMR (Elastic MapReduce): Managed Hadoop/Spark for big data. Glue: ETL service (extract, transform, load). DataBrew: No-code data cleaning/transformations. Streaming ETL: Real-time processing. Bookmarks: Avoid reprocessing, track processed data. QuickSight: BI (dashboards, analytics), integrates with Spectrum for querying data in S3. AWS Well-Architected 6 Pillars Sustainability – efficient use of resources….
amplify web or mobile app WAF geographic restriction, before ALB, IP filter, pattern, limit request Road 53 100 % availability, smart routing routing policies SNI: service name, multiple @ geolocalisation dns suppport, dns host names firewall manager waf shield advanced SG route 53 network firewall VPC (SG)
Access & Security Pre-signed URL: Temporary access (default 7 days). Bucket Policy: Controls access inside S3 (resource-based). Encryption: S3 encrypts every object by default, but no audit/rotation built-in. Data Access Features Byte-Range Fetch: Retrieve partial object (useful for large files). S3 Select: Query data within objects (CSV, JSON, Parquet). Costs & Storage Classes Cost hierarchy:…