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AWS Cloud Practitioner (CLF-C02) > ECS, Lambda, Batch, Lightsail > Flashcards

ECS, Lambda, Batch, Lightsail Flashcards

1
Q

Docker

A

Containers that can run on any OS

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2
Q

Docker images are found in…

A

Docker repositories
Public Docker Hub
Private Amazon ECR

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3
Q

Amazon ECR Acronym

A

Elastic Container Registry

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4
Q

ECS Acronym

A

Elastic Container Service

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5
Q

ECS purpose

A

Run Docker containers

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6
Q

What AWS service runs Docker containers?

A

ECS

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7
Q

Fargate

A

Run Docker containers on AWS without servers

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8
Q

Biggest benefit of Fargate

A

No need for EC2 instances

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9
Q

Where do you store docker images on AWS?

A

ECS

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10
Q

Serverless definition

A

Developers deploy without managing servers

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11
Q

FaaS

A

Function as a Service

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12
Q

Lambda purpose

A

Virtual functions
Short runs
On-demand
Automated scaling

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13
Q

Lamda pricing

A

Per request and compute time

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14
Q

Lamda benefits

A

Event-driven
Easy monitoring
Easy to get more resources

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15
Q

Which AWS service is event driven?

A

Lambda

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16
Q

Lamda Container Image

A

Containers must implement Lamda runtime

17
Q

Lamda pricing per call

A

Pay per call
First 1 million free
.20 per 1 million requests after

18
Q

Lamda pricing per duration

A

First 400,00GB seconds free (or 3.2 million seconds for memory
$1 for 600,000 GB seconds

19
Q

Why is Lamda popular?

A

It’s cheap

20
Q

Amazon API Gateway

A

Service to create API’s to AWS services like Lamda

21
Q

API gateway API types

A

RESTful and WebSocket

22
Q

AWS Batch

A

Batch processing service

23
Q

Batch job defintion

A

Job that has a start and end

24
Q

What types of instances does AWS Batch start?

A

ECS
Spot

25
Q

What is a batch job for AWS?

A

Docker image run on ECS

26
Q

Lamda vs. Batch

A

Lambda has time and space limits Serverless

Batch has no time limit
EBS storage
Relies on EC2

27
Q

Lightsail

A

Simpler alternative to EC2, RDS, ELB, EBS, Route 53, etc.

28
Q

Lightsail use cases

A

Simple web apps
Websites
Dev/Test
No autoscaling

29
Q

Lightsail is good for which people?

A

People with no cloud experience

AWS Cloud Practitioner (CLF-C02) (21 decks)

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