16 docs tagged with "domain-1"

API Gateway for DVA-C02. REST API vs HTTP API vs WebSocket API, integration types, authorizers (Cognito, Lambda), deployment stages, caching, throttling, CORS, canary deployments, and usage plans.

Amazon CloudFront for DVA-C02. Origins, distributions, cache behaviors, TTL, signed URLs vs signed cookies, OAC/OAI for S3, Lambda@Edge, CloudFront Functions, and HTTPS enforcement.

DynamoDB mastery for DVA-C02. Covers partition keys, sort keys, GSI vs LSI, read/write capacity modes, DynamoDB Streams, DAX, TTL, transactions, and the most common exam scenarios and anti-patterns.

Amazon ElastiCache for DVA-C02. Redis vs Memcached comparison, caching strategies (lazy loading, write-through, session store), cluster modes, Multi-AZ, and common exam patterns.

Kinesis Data Streams vs Kinesis Data Firehose vs Kinesis Data Analytics. Shards, partition keys, sequence numbers, Enhanced Fan-Out, Lambda ESM, and when to use Kinesis vs SQS.

Amazon RDS and Aurora for DVA-C02. Multi-AZ vs Read Replicas, Aurora Serverless, RDS Proxy, IAM authentication, connection pooling, encryption, and common developer patterns with Java/Spring Boot.

Amazon S3 for DVA-C02. Storage classes, versioning, lifecycle policies, presigned URLs, encryption (SSE-S3, SSE-KMS, SSE-C), CORS, event notifications, multipart uploads, and cross-region replication.

Amazon SNS for DVA-C02. Topics, subscriptions, fan-out pattern with SQS, message filtering, SNS FIFO, mobile push notifications, and the difference between SNS and SQS.

Amazon SQS for DVA-C02 — standard vs FIFO queues, visibility timeout, message retention, DLQ, long polling, delay queues, and Lambda integration via Event Source Mapping. Key exam patterns covered.

AWS AppSync for DVA-C02. GraphQL API service, resolvers, data sources (DynamoDB, Lambda, RDS, HTTP), real-time subscriptions, caching, authorization modes, and comparison with API Gateway.

Comprehensive Lambda study guide for DVA-C02. Covers invocation types, concurrency, cold starts, event source mappings, layers, container images, environment variables, VPC integration, destinations, and Java handler patterns.

AWS SDK for Java v2 for DVA-C02. Client initialization patterns, credential providers, default credential chain, pagination, waiters, presigners, and Spring Boot autoconfiguration. Essential for Java developers taking the DVA-C02 exam.

AWS Step Functions for DVA-C02. Standard vs Express workflows, state types, error handling, Wait for Callback, Map state for parallel processing, and integration with Lambda, SQS, DynamoDB, and API Gateway.

Advanced DynamoDB topics for DVA-C02. DynamoDB Streams with Lambda, PartiQL, Enhanced Client for Java, optimistic locking, single-table design patterns, and Write Sharding.

Amazon ECS and ECR for DVA-C02. EC2 vs Fargate launch types, task definitions, services, IAM roles (Task vs Execution), network modes, dynamic port mapping, ECR lifecycle policies, and CodeDeploy Blue/Green.

Advanced S3 topics for DVA-C02. Cross-Region Replication, Same-Region Replication, S3 Transfer Acceleration, Object Lambda, MFA Delete, S3 Select, Requester Pays, and event processing patterns.