Other Compute

Question 1

AWS Lambda

Answer 1

Lambda is a Serverless service which gives you the capability of a Function as a service. It has seamless scaling, so from one invocation to 2000 invocations per second, and it is fully reactive.

Question 2

Lambda Billing

Answer 2

You have to components of the billing for Lambda.

1) The time run multiplied by the RAM provisioned
2) The number of times your lambda function has been invoked.

Question 3

Lambda Invocation time

Answer 3

Up to 15 minutes

Question 4

Use Cases for Lambda

Answer 4

1) Create Thumbnails for images uploaded to S3

2) Run a serverless cron job

Question 5

How to expose Lambda functions as APIs?

Answer 5

Use API Gateway to expose Lambda functions as HTTP API.

Question 6

Docker

Answer 6

Container technology that allows you to run applications

Question 7

How to run Docker on AWS?

Answer 7

1) Use ECS (Elastic Container Service) which allows you to run Docker containers on EC2 instances. In this scenario you have to provision the EC2 instances yourself.
2) Fargate allows you to run containers without provisioning the containers. That makes Fargate a serverless offering because you do not have to manage any EC2 instances to run these Docker containers.

Question 8

Which Service allows you to store Docker containers on AWS

Answer 8

ECR (Elastic Container Registry) is a private docker images repository.

Question 9

Which Service allows you to run Batch jobs on AWS across managed EC2 instances.

Answer 9

AWS Batch

Question 10

AWS Lightsail

Answer 10

Amazon Lightsail is a cloud service offered by Amazon Web Services (AWS) that bundles cloud compute power and memory for new or less experienced cloud users.

Amazon Lightsail offers easy-to-use virtual private server (VPS) instances, containers, storage, databases, and more at a cost-effective monthly price.

Question 11

Container technology that allows you to run applications

Answer 11

Docker

Question 12

AWS Batch

Answer 12

Which Service allows you to run Batch jobs on AWS across managed EC2 instances.

Question 13

AWS Fargate

Answer 13

Fargate allows you to run containers without provisioning the infrastructure. That makes Fargate a serverless offering because you do not have to manage any EC2 instances to run these Docker containers.

Question 14

ECS

Answer 14

Use ECS (Elastic Container Service) which allows you to run Docker containers on EC2 instances. In this scenario you have to provision the EC2 instances yourself.

Question 15

Which Service allows you to run Docker containers on EC2 instances. In this scenario you have to provision the EC2 instances yourself.

Answer 15

ECS

Question 16

Which Service allows you to run containers without provisioning the infrastructure. It is a serverless offering because you do not have to manage any EC2 instances to run these Docker containers.

Answer 16

Fargate