Compute / Containers / Serverless

Question 1

What is AWS App Runner

Answer 1

Easily deploy source code or and Docker image to a Web App. AR connects to the repo and automaticaly builds the pipeline.

Question 2

Types of EC2 instances in terms for PRICING:

Answer 2

On-Demand, Reserved and Spot instances.

Question 3

Whats the DIFF between LAUNCH TEMPLATE and LAUNCH CONFIGURATION

Answer 3

Launch configuration its actually not recommended by AWS since have fewer features.

Question 4

The 3 main benefits of EC2 Auto Scaling are:

Answer 4

Fault Tolerance, Availability and Cost Management.

Question 5

What are the states fo Lifecycle hooks?

Answer 5

Pending:Wait, Pending: Proceed
Terminating:Wait, Terminating: Proceed

Question 6

What is a ASG?

Answer 6

Contains a collection of EC2 instances that are treated as a logical grouping for the purposes of automatic scaling and management. An Auto Scaling group also lets you use Amazon EC2 Auto Scaling features such as health check replacements and scaling policies.

Question 7

Whats is EC2 Image Builder used for?

Answer 7

automate the creation, management, and deployment of customized, secure, and up-to-date server images.

Question 8

provides an automation framework for building secure AMIs and container images on AWS.

Answer 8

Image Pipeline

Question 9

_____ or ____________ recipe is a document that defines the base and the components that are applied to the base to produce the desired configuration for the output.

Answer 9

Image recipe or container recipe.

Question 10

Quickly deploy and manage applications in the AWS Cloud without having to learn about the infrastructure that runs those applications. Elastic Beanstalk reduces management complexity without restricting choice or control. You simply upload your application, and _____________________ automatically handles the details of capacity provisioning, load balancing, scaling, and application health monitoring.

Answer 10

Elastic Beanstalk

Question 11

This service helps to CONVERT an old monolithic APP into a CONTAINER

Answer 11

AWS App2Container

Question 12

_________________ simplify building, releasing, and operating production-ready containerized applications on Amazon ECS from a local development environment. The ______________________ aligns with developer workflows that support modern application best practices: from using infrastructure as code to creating a CI/CD pipeline provisioned on behalf of a user.

Answer 12

AWS Copilot

Question 13

Is the AWS version of Docker Hub

Answer 13

ECR: Elastic Container Registry

Question 14

What is the definition file for ECS

Answer 14

Task definition: Its a JSON document that contains all of the specifications for ECS to run

Question 15

On top of what can ECS run?

Answer 15

Fargate or EC2 intances.

Question 16

Fully managed container orchestration service

Answer 16

ECS

Question 17

Whats the DIFF between EKS and EKS-D

Answer 17

EKS its a fully managed service while EKS -D its a open source distro of kubernetes, which means you can install it by yourself and actually its under your ONLY responsability.

Question 18

This is under the hood of ECS, helps to avoid manage instances

Answer 18

AWS Fargate

Question 19

Whats ROSA stands for?

Answer 19

Red Hat OpenShift on AWS

Question 20

What scenarios can you think of AWS LAMDA is a good fit for?

Answer 20

File Processing, Stream Processing, Web Apps, IoT or Mobile Backends

Question 21

is a toolkit that improves the developer experience of building and running serverless applications on AWS:

Answer 21

AWS Serverless Application Model (AWS SAM)

Question 22

Which actors take place in Amazon SNS?

Answer 22

Producers and Consumers

Question 23

When it comes to undocking applications, which service is a must?

Answer 23

Amazon SQS

Question 24

In which scenario does AWS recomends use Amazon MQ

Answer 24

Migrating apps from existing Message Brokers that relys on compatibility features.

Question 25

Whats the DIFF between SQS and SNS

Answer 25

Both are queue topic service, but SNS also offers managed messaging services which means that SNS can deliver to another AWS services but push and SMS messages (end user).

Question 26

What is AWS Step Functions?

Answer 26

Is a serverless orchestration service that lets you integrate with AWS Lambda functions and other AWS services to build business-critical applications. Through Step Functions’ graphical console, you see your application’s workflow as a series of event-driven steps.

Question 27

AWS Step Functions workflows types:

Answer 27

Standard: run once a year.
Express: Can run but than once but only up to five minutes.

Question 28

Workflow Studio for AWS Step Functions is:

Answer 28

a low-code visual workflow designer for Step Functions that lets you create serverless workflows by orchestrating AWS services. Use drag and drop to create and edit workflows, control how input and output is filtered or transformed for each state, and configure error handling. As you create a workflow, Workflow Studio validates your work and auto-generates code.