Serverless Architecture

Question 1

Lambda & Roles

Answer 1

Whenever you’re talking about Lambda & credentials, ensure you’re attaching a role to a function

Question 2

Lambda Triggers

Answer 2

You’ll commonly see questions asking what can kick off a lambda function

Know that S3, Kinesis, & event bridge are common triggers

API Gateway and others too

Question 3

Lambda Limits

Answer 3

Functions should be short. You can allocate up to 10 GB of RAM & 15 min runtime

Question 4

Lambda API Calls

Answer 4

Can be a trigger to kick off an event bridge Rule, this is faster than trying to scrape through cloud trail

Question 5

Kubernetes in AWS

Answer 5

If a question asks for a container management solution that can run in AWS & on - prem you’ll want to consider EKS

Also open source = EKS

Question 6

Fargate Limitations

Answer 6

It order to use Fargate, you must be using ELS or EKS. Not all scenarios specify ECS or EKS & talk as if Fargate is a container service itself

Question 7

Containers Basics

Answer 7

While the exam doesn’t cover containers themselves in too much depth, it’s good to know you start w/ a Dockerfile, build an image, upload that to a repot, & then run it on a host

Question 8

Container Flexibility

Answer 8

Containers can encompass just about any workload. Generally we favor using containers rather than EC2 on the exam