Udemy lecture 8: ECS, lambda, batch, lightsail

Question 1

___________ is a software development platform to deploy apps

Answer 1

Docker

Question 2

Apps are packaged in _________ that can be ran on any OS

Answer 2

Containers

Question 3

Apps runs the ___________ regardless of where they’re run

Answer 3

Same

Question 4

Docker images are stored in ______________

Answer 4

Docker repositories

Question 5

What does ECS mean?

Answer 5

Means elastic container service

Question 6

ECS is used to _________ docker container on AWS

Answer 6

Launch

Question 7

With ______ you must provision & maintain the infrastructure (the EC2) & AWS takes care of starting/ stopping the containers

Answer 7

ECS

Question 8

_________ its a serverless offering, that launch dockers containers on AWS but dont need to provision the infrastructure (no EC2 instances to manage, so its simpler)

Answer 8

Fargate

Question 9

_________ is a private docker registry on AWS

Answer 9

ECR

Question 10

__________ is where you store your docker images so they can be run by ECS or fargate

Answer 10

ECR

Question 11

What does serverless mean?

Answer 11

Means the developers dont have to manage servers, they just deploy code

Question 12

Serverless doesn’t mean there are no servers it means you just don’t ____________________

Answer 12

manage/provision/ see them

Question 13

What are the different serverless services in AWS?

Answer 13

• Amazon S3
• DynamoDB
• Fargate
• Lambda

Question 14

With _____________ you have virtual functions, so no servers to manage, its limited by time, short executions, run on-demand, & scaling is automated

Answer 14

Amazon Lambda

Question 15

Lambda is a ___________, and it is also event-driven where the functions get invoked by AWS when needed

Answer 15

reactive service

Question 16

With lambda you pay for ________, duration,

Answer 16

calls & duration (pricing is based on those two)

Question 17

________ creates a serverless API

Answer 17

Amazon API gateway

Question 18

________ is a fully managed batch processing at any scale

Answer 18

AWS batch

Question 19

Batch will dynamically launch _________ or _________

Answer 19

EC2 instances or Spot instances

Question 20

Batch jobs are defined as ______________ & run on ECS

Answer 20

Docker images

Question 21

Why would someone want to use batch over lambda?

Answer 21

• No time limit
• Any runtime as long as its packaged as a docker images
• Rely on EBS/ instance store for disk space
• Relies on EC2 (can be managed by AWS)

Question 22

___________ is great for people with little to no cloud experience

Answer 22

Amazon lightsail