AWS Certified Data Analytics exam 2023 with 100% correct answers

KCL (Kinesis Client Library) - correct answer Reads & de-aggregates records produced by KPL. Java-first library. KCL Shard Discovery - correct answer Shares multiple shards with multiple consumers acting as a group KCL Checkpointing - correct answer Uses DynamoDB - 1 row per shard Problem: KCL reads too slowly even though Kinesis stream has enough throughput - correct answer Check DynamoDB provisioning for WCU/RCU or use on-demand Kinesis Connector Library - runs on what? replaced by what? - correct answer Older (2016), runs on EC2 instance, replaced by Firehose for some targets & Lambda for others. AWS Lambda sourcing from Kinesis - how does it work? - correct answer Library to de-aggregate records from KPL to S3, DynamoDB, Redshift, ElasticSearch, anywhere Kinesis Enhanced Fan Out - correct answer Subscribe & push over HTTP/2. 2 MB/s per shard per consumer. Reduced latency - 70 ms Kinesis standard consumer latency - correct answer 200 ms shared across consumers Minimize cost Kinesis Enhanced Fan Out Consumers - limits - correct answer ~ 70 ms Default limit of 5 consumers per stream Higher cost