Serverless Architecture

Question 1

What are the benefits of serverless?

Answer 1

Ease, event based, pay as you go

Question 2

Ceteris paribus, is serverless or traditional architecture better?

Answer 2

serverless

Question 3

What is Lambda?

Answer 3

a serverless compute service that lets us run code without provisioning or managing the underlying servers. Kinda like running code without computers

Question 4

What is a runtime in regards to Lambda?

Answer 4

The language you wrote the code in

Question 5

If your Lambda makes API calls, what do you need?

Answer 5

Permissions

Question 6

What begins a Lambda function?

Answer 6

A trigger

Question 7

Can Lambda run inside and outside a VPC?

Answer 7

Yes

Question 8

What is the AWS Serverless Application Repository?

Answer 8

Allows users to easily find, deploy, or even publish serverless applications

Question 9

When you publish with AWS Serverless Application Repository, what are you doing?

Answer 9

Making the app available for others to deploy.

Question 10

When you deploy with AWS Serverless Applicaiton Repository, what are you doing?

Answer 10

You are finding others applications and deploying those

Question 11

How do you define apps with AWS Serverless Application Repository?

Answer 11

SAM Templates

Question 12

Are published SAM Templates public by default?

Answer 12

No, private

Question 13

What is a really helpful tool to migrate from on prem to AWS (hint: it utilizes dockerfiles?

Answer 13

containers

Question 14

What is EKS?

Answer 14

Kubernetes is an open source container management service. EKS is amazon’s way to integrate Kubernetes.

Question 15

What is ECS?

Answer 15

Elastic container service allows us to manage thousands of containers

Question 16

Does ECS integrate with ELB?

Answer 16

Yes, containers come online with to the appropriate load balancer

Question 17

Can containers have roles attached to them in ECS?

Answer 17

Yes

Question 18

If you need a service to manage containers on prem and in the cloud, what should you use?

Answer 18

EKS

Question 19

If you need a container management service that is just for AWS, what should you use?

Answer 19

ECS

Question 20

What does AWS Fargate do?

Answer 20

a serverless compute engine for containers that works with ECS and EKS

Question 21

Is Fargate cheaper than maintaining the EC2 instances yourself?

Answer 21

No

Question 22

Should long running containers use Fargate?

Answer 22

Typically no

Question 23

When should you use Fargate instead of Lambda?

Answer 23

When you have consistent workloads

Question 24

What is Amazon EventBridge?

Answer 24

A serveless service that allows you to pass events from a source to an endpoint (formerly know as cloudwatch events)

Question 25

How do we create a rule for EventBridge?

Answer 25

We must define a pattern (what triggers it), select event bus, select your target, and tag it

Question 26

What is the fastest way to respond to API calls?

Answer 26

EventBridge

Question 27

What is Amazon ECR?

Answer 27

Elastic Container Registry is a managed registry that offers secure, scalable, and reliable infrastructure

Question 28

Can you have private and open container repositories in ECR?

Answer 28

Yes

Question 29

What is EKS Distro?

Answer 29

A Kubernetes distribution based on and used by Amazon EKS

Question 30

What is the difference between EKS Distro and EKS?

Answer 30

EKS Distro is managed by you where EKS is managed by Amazon

Question 31

If you need self-managed Kubernetes deployments, what should you use?

Answer 31

EKS Distro

Question 32

What is EKS Anywhere?

Answer 32

An on prem way to manage Kubernetes clusters with the same practices used for Amazon EKS

Question 33

What is ECS anywhere?

Answer 33

A feature within ECS that allows AWS managed container orchestration on prem

Question 34

What are the requirements for ECS Anywhere?

Answer 34

Must have SSM agent, ECS agent, and Docker installed

Question 35

What is Aurora serverless?

Answer 35

an on demand and auto scaling configuration for the Amazon Aurora database

Question 36

What is AWS X-Ray?

Answer 36

collects application data for viewing, filtering, and gaining insights about requests and responses

Question 37

What is AWS X-Ray?

Answer 37

collects application data for viewing, filtering, and gaining insights about requests and responses

Question 38

If you wanted to view downstream response times for applications, what should you use?

Answer 38

AWS X-ray

Question 39

What is AWS AppSync?

Answer 39

A robust and scalable GraphQL interface for application developers

Question 40

What are lifecycle policies in regards to Amazon ECR?

Answer 40

allows you to manage the lifecycle of the images in your repositories

Question 41

What is Scan on Push in regards to ECS?

Answer 41

image scanning that helps identify software vulnerabilities in your container images.

Question 42

Can you enable tag immutability in ECR?

Answer 42

Yes

Question 43

Can you configure the operating system in a serverless application?

Answer 43

No

Question 44

What is a really common trigger for AWS Lambda?

Answer 44

EventBridge

Question 45

What is the maximum amount of time Lambda can run?

Answer 45

15 minutes

Question 46

How can you run Fargate without needing ECS or EKS?

Answer 46

You can't