1.0 - Cloud Concepts

Question 1

What does CloudFront do?

Answer 1

Caches content closer to the end-user to reduce delivery time.

Question 2

What does Global Accelerator do?

Answer 2

Optimizes routing so end users get the fastest response

Question 3

EC2 stands for…

Answer 3

Elastic Compute Cloud

Question 4

What does CloudWatch do?

Answer 4

Monitoring and alerting services

Question 5

What is CloudShell?

Answer 5

A UNIX command-line shell for interacting with cloud elements

Question 6

ECS stands for…

Answer 6

Elastic Container Service

Question 7

EKS stands for…

Answer 7

Elastic Kubernetes System

Question 8

Lambda is…

Answer 8

Serverless computing service

Question 9

General purpose, compute optimized, memory optimized, storage optimized, and accelerated computing are types of…

Answer 9

EC2 Instances

Question 10

On-demand, Reserved, Spot instances, and savings plans are types of…

Answer 10

Pricing models

Question 11

AMI stands for…

Answer 11

Amazon Machine Image

Question 12

In ECS, containers can run inside a ____.

Answer 12

task

Question 13

What does AWS Fargate do?

Answer 13

It is a container service that manages server deployment for you (no need to manage EC2 yourself - hence “serverless”)

Question 14

What does Lambda do?

Answer 14

Runs code only when triggered by an event (a user logging in, adding an item to a shopping cart, whatever)

Question 15

How does Lambda handle billing?

Answer 15

Billed per execution time in milliseconds

Question 16

How does Fargate handle billing?

Answer 16

Pay for CPU and memory used per task

Question 17

RDS stands for…

Answer 17

Relational Database Service

Question 18

What does CloudFormation do?

Answer 18

Automates provisioning of infrastructure, based on JSON or YAML templates

Question 19

What do AWS Outposts do?

Answer 19

Extends AWS infrastructure to on-prem data centers. Hardware is still managed by AWS, and integrates with AWS cloud infrastructure.

Question 20

CAF stands for…

Answer 20

Cloud Adoption Framework - best practices for migrating from on-prem to cloud

Question 21

Six perspectives of AWS CAF:

Answer 21

Business
People
Governance
Platform
Security
Operations

Question 22

The three Rs of AWS migration:

Answer 22

Rehost (aka Lift ‘n’ Shift, moving the app to the cloud without changing its architecture)

Replatform (more of an incremental shift, like moving a database to the cloud but keeping the main app in-house)

Refactor (a complete re-architecture to take advantage of cloud optimization services - most involved, but with long-term benefits)

Question 23

What tool acts as the central dashboard during a migration from on-prem to cloud?

Answer 23

AWS Migration Hub

Question 24

What migration tool is best for rehost/lift ‘n’ shift migrations?

Answer 24

AWS Application Migration Service

Question 25

What does AWS Trusted Advisor do?

Answer 25

Provides recommendations for optimization, security, and cost-effectiveness at any point in the migration process

Question 26

What is AWS Snowball?

Answer 26

A hardware device used for transferring tera- or petabytes of data where bandwidth is limited (AWS Sneakernet!!)

Question 27

What does AWS DMS do?

Answer 27

Data Migration Service - online database replication