Variation Studies

Question 1

Cloud* Services

Answer 1

CloudFormation - Infrastructure as code - sets up services via templating script
CloudTrail - logs api calls b/t services
CloudFront - CDN - creates copy of your site and copies to servers in Edge locations
CloudWatch - collection of services - (Logs, Metrics, Events, Alarms, Dashboard)
CloudSearch - search engine you can add to your app/site

Question 2

*Connect Services

Answer 2

Direct Connect - dedicated fiber optics connections from datacenter to AWS
Amazon Connect - call center service
Media Connect - converts videos to different video types

Question 3

SNS v SQS

Answer 3

Simple Notifications Service
Simple Queue Service
Both connect apps via Messages
SNS - use: webhooks, simple internal emails, plain text emails triggers by AWS services. passes along messages
SQS - use: delayed tasks, queueing up emails. has guaranteed delivery

Question 4

Elastic Transcoder v Elemental MediaConvert

Answer 4

Both transcode videos, same $
Elastic - old way, transcodes to streaming formats
MediaConvert - new way, does more, better UI

Question 5

Inspector v Trusted Advisor

Answer 5

Both are security tools that perform audits.
Inspector - audits a single EC2 instance you select and generates a report from checklist
Trusted Advisor - No PDF report, gives holistic view of recommendations across services and best practices

Question 6

ALB v NLB v CLB

Answer 6

Load balancers
Application - Requests at Application layer, HTTP/S traffic, Routing Rules allow you to route subdomains to a single LB, can attach WAF
Network - IP protocol data at Transport layer, TCP and TLS traffic where extreme performance is required, millions of req/s w/ultra-low latencies, for sudden and volatile traffic patterns while using single static IP address per AZ
Classic - OLD - intended for apps built w/in the EC2-Classic network

Question 7

SNS v SES

Answer 7

Both Send Emails
Simple Notifications Service
Simple Email Service
SNS - plan text emails, internal/practical, send notifications to Subscribers of Topics via multiple protocol
SES - sends html emails (SNS cannot), can receive inbound, for professional, marketing

Question 8

Artifact v Inspector

Answer 8

Both compile PDFs
Artifact - why trust AWS? - security report based on Global Compliance Frameworks
Inspector - is this EC2 instance secure? - generates a PDF telling you which security checks passed