Serverless Architecture

Question 1

What is Lambda?

Answer 1

AWS Lambda is a serverless compute service that lets you run code without provisioning or managing the underlying servers. It’s like you’re running code without computers.

Question 2

What is the max amount of ram that a Lambda function can have?

Answer 2

10gb

Question 3

Whats the longest a Lambda function can run?

Answer 3

15 minutes.

Question 4

What is AWS Serverless Application Repository?

Answer 4

Allows users to easily find, deploy, or even publish their own serverless application

Question 5

What is the AWS SAM Template?

Answer 5

A manifest

Question 6

What are the two options for AWS Serverless Application Repository

Answer 6

1) Publish
2) Deploy

Question 7

What is AWS Fargate best used for?

Answer 7

When you have containers that do not need to run all the time.

Question 8

Is Fargate a serverless tool?

Answer 8

Yes

Question 9

Do you need ECS or EKS to use Fargate?

Answer 9

Yes

Question 10

What is AWS EventBridge?

Answer 10

Formely Cloudwatch Events

is a serverless event bus. It allows you to pass events from source to an endpoint. It is essentially the glue that holds your serverless application together.

Question 11

What AWS feature can alert a variety of different endpoints like Lambda functions, that something has happened when any API call that happens?

Answer 11

AWS EventBridge

Question 12

What is Amazon ECR?

Answer 12

Elastic Container Registry

An AWS-managed container image repository

Question 13

What Formats does Amazon ECR support?

Answer 13

Docker Images

OCI Images

OCI-compatible artifacts.

Question 14

What are lifecycle Policies in AWS ECR?

Answer 14

Rules defining when to expire and remove unused or older images

Question 15

What is Image Scanning for AWS ECR?

Answer 15

Scan on push repository settings allow for identifying software vulnerabilities in your container image

Question 16

What is Tag Mutability in AWS ECR?

Answer 16

It helps prevent image tags from being overwritten

Question 17

What is AWS EKS Distro? (EKS-D)

Answer 17

Is a K8 distribution based on and used by Amazon EKS.

It is like AWS EKS but it is fully managed by you and can run anywhere, on prem, competitor, whatever.

Question 18

What is AWS X-RAY?

Answer 18

Application Insights
Collects application data for viewing, filtering, and gaining insights about requests and responses. It also has traces similar to new relic so you can see downstream data.

Question 19

What is the header for Amazon Xray that contains added information?

Answer 19

X-Amzn-Trace-Id

Question 20

What is AWS AppSync?

Answer 20

Scalable GraphQL Interface

Question 21

What AWS service can create EC2 instances and place containers in them based on your task definitions?

Answer 21

ECS

Question 22

What is the maximum length of time Lambda can run?

Answer 22

15 minutes

Question 23

How can you easily collect insights regarding requests and responses for your AWS Lambda application?

Answer 23

AWS X-Ray

Question 24

You expect your new application to have variable reads and writes to the relational database. Which service allows you to test the optimal sizing of your instances while also keeping your budget in mind?

Answer 24

Amazon Aurora Serverless

Question 25

What is one thing EC2 instances allow you to configure but a serverless application doesn’t?

Answer 25

Operating System

Question 26

Where are container images stored?

Answer 26

In a container registry

Question 27

You need to manage a container-based application on-premises via an AWS service. Which of the following would meet your needs?

Answer 27

Amazon ECS Anywhere