ECS, Fargate, ECR, EKS

Question 1

What are 2 the uses cases for Docker?

Answer 1

microservices architecture
lift-and-shift apps from on- premises to the AWS cloud

Question 2

What are the 4 AWS Docker Container Management??

Answer 2

ECS - Elastic Container Service
EKS - Elastic Kubernetes Service
Fargate
ECR - Elastic Container Registry

Question 3

What are 2 Docker Image stores

Answer 3

Docker Hub
ECR - Elastic Container Registry

Question 4

What are 2 ECS Launch Types?

Answer 4

EC2 Launch Type
Fargate Launch Type

Question 5

Amazon ECS - Launch Type - you must provision & maintain the infrastructure

Answer 5

EC2 Launch Type

Question 6

In Amazon ECS - EC2 Launch Type, who takes care of starting / stopping containers?

Answer 6

AWS

Question 7

In Amazon ECS - EC2 Launch Type, Each EC2 Instance must run the ______________ to register in the ______________

Answer 7

ECS Agent
ECS Cluster

Question 8

How to scale a Fargate LaunchType

Answer 8

just increase the number of tasks

Question 9

Amazon ECS – LaunchType - You do not provision the infrastructure. It’s all Serverless

Answer 9

Fargate LaunchType

Question 10

IAM Roles for ECS
* Used by the ECS agent ECS
* Makes API calls to ECS ser vice ECR
* Send container logs to CloudWatch Logs
* Pull Docker image from ECR
* Reference sensitive data in Secrets Manager or SSM Parameter Store

Answer 10

EC2 Instance Profile (EC2 Launch Type only)

Question 11

IAM Roles for ECS
* Allows each task to have a specific role
* Use different roles for the different ECS Services you run
* Task Role is defined in the task definition

Answer 11

ECS Task Role

Question 12

Which 3 types of Load Balancers are supported with ECS?

Answer 12

Application Load Balancer
Network Load Balancer
Classic Load Balancer

Question 13

Amazon ECS – Load Balancer Integrations
supported and works for most use cases

Answer 13

Application Load Balancer

Question 14

Amazon ECS – Load Balancer Integrations
recommended only for high throughput / high performance use cases, or to pair it with AWS Private Link

Answer 14

Network Load Balancer

Question 15

Amazon ECS – Load Balancer Integrations
supported but not recommended (no advanced features – no Fargate)

Answer 15

Classic Load Balancer

Question 16

Does EFS work for both EC2 and Fargate launch types?

Answer 16

YES

Question 17

Tasks running in ________ AZ will share the same data in the EFS file system

Answer 17

ANY

Question 18

Fargate + EFS =

Answer 18

Serverless

Question 19

Amazon ECS – Data Volumes (EFS) use cases??

Answer 19

persistent multi-AZ shared storage for
your containers

Question 20

Amazon S3 ___________ be mounted as a file system

Answer 20

cannot

Question 21

What are 3 types of ECS Service Auto Scaling?

Answer 21

Target Tracking
Step Scaling
Scheduled Scaling

Question 22

ECS Service Auto Scaling - scale based on target value for a specific CloudWatch metric

Answer 22

Target Tracking

Question 23

ECS Service Auto Scaling - scale based on a specified CloudWatch Alarm

Answer 23

Step Scaling

Question 24

ECS Service Auto Scaling - scale based on a specified date/time (predictable changes)

Answer 24

Scheduled Scaling

Question 25

Is ECS Service Auto Scaling (task level) EQUAL TO EC2 Auto Scaling (EC2 instance level)

Answer 25

NO

Question 26

Is Fargate Auto Scaling easier to setup???? If so, why?

Answer 26

YES (because Serverless)

Question 27

What are the 3 metrics you can use when using AWS Application Auto Scaling??

Answer 27

• ECS Service Average CPU Utilization
• ECS Service Average Memory Utilization-Scale on RAM
• ALB Request Count Per Target–metric coming from the ALB

Question 28

• Used to automatically provision and scale the infrastructure for your ECSTasks
• Capacity Provider paired with an Auto Scaling Group
• Add EC2 Instances when you’re missing capacity (CPU, RAM…)

Answer 28

ECS Cluster Capacity Provider

Question 29

• Scale your ASG based on CPU Utilization
• Add EC2 instances over time

Answer 29

Auto Scaling Group Scaling

Question 30

Does EKS support EC2 if you want to deploy worker nodes or Fargate to deploy serverless containers??

Answer 30

YES

Question 31

What is the use case for EKS?

Answer 31

if your company is already using Kubernetes on-premises or in another cloud, and wants to migrate to AWS using Kubernetes

Question 32

For multiple regions, deploy one EKS cluster __________?

Answer 32

per region

Question 33

For EKS, How do you collect logs and metrics?

Answer 33

CloudWatch Container Insights

Question 34

Amazon EKS – Node Types (3)

Answer 34

Managed Node Groups
Self-Managed Nodes
AWS Fargate

Question 35

Amazon EKS – Node Types:
* Creates and manages Nodes (EC2 instances) for you
* Nodes are part of an ASG managed by EKS
* Supports On-Demand or Spot Instances

Answer 35

Managed Node Groups

Question 36

Amazon EKS – Node Types:
* Nodes created by you and registered to the EKS cluster and managed by an ASG
* You can use prebuilt AMI - Amazon EKS Optimized AMI
* Supports On-Demand or Spot Instances

Answer 36

Self-Managed Nodes

Question 37

Amazon EKS – Node Types:
* No maintenance required; no nodes managed

Answer 37

AWS Fargate

Question 38

For Amazon EKS – Data Volumes, what do you need to specify on your EKS cluster??

Answer 38

StorageClass manifest

Question 39

Amazon EKS – Data Volumes leverages _______

Answer 39

a Container Storage Interface (CSI) compliant driver

Question 40

What are the 4 supported Data Volumes for EKS?

Answer 40

• Amazon EBS
• Amazon EFS (works with Fargate)
• Amazon FSx for Lustre
• Amazon FSx for NetApp ONTAP

Question 41

• Fully managed service that makes it easy to deploy web applications and APIs at scale
• No infrastructure experience required
• Start with your source code or container image
• Automatically builds and deploy the web app
• Automatic scaling, highly available, load balancer, encryption
• VPC access support
• Connect to database, cache, and message queue services

Answer 41

AWS App Runner