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Top AWS Certified Solutions Architect Associate Exam Tips
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This domain makes up 26% of the exam and includes the following 4 objectives:
1. Design a multi-tier architecture solution
2. Design highly available and/or fault-tolerant architectures
3. Design decoupling mechanisms using AWS services
4. Choose appropriate resilient storage
understand the various block, file and object storage technologies such as Amazon EBS, Instance Store, Amazon EFS and Amazon S3, and know their use cases.
Be able to design multi-tier application architectures and know-how to decouple application components using technologies such as Amazon SQS and Amazon SWF.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS
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Spot instances are good for cost optimization, even if it seems you might need to fall back to On-Demand instances if you wind up getting kicked off them and the timeline grows tighter. The primary (but still not only) factor seems to be whether you can gracefully handle instances that die on you--which is pretty much how you should always design everything, anyway!
#AWS Spot instances
2
The term "use case" is not the same as "function" or "capability". A use case is something that your app/system will need to accomplish, not just behaviour that you will get from that service. In particular, a use case doesn't require that the service be a 100% turnkey solution for that situation, just that the service plays a valuable role in enabling it.
#AWS use case
3
There might be extra, unnecessary information in some of the questions (red herrings), so try not to get thrown off by them. Understand what services can and can't do, but don't ignore "obvious"-but-still-correct answers in favour of super-tricky ones.
#AWS Exam Answers: Distractors
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If you don't know what they're trying to ask, in a question, just move on and come back to it later (by using the helpful "mark this question" feature in the exam tool). You could easily spend way more time than you should on a single confusing question if you don't triage and move on.
#AWS Exa: Skip Questions that are vague and come back to them later
5
Some exam questions required you to understand features and use cases of: VPC peering, cross-account access, DirectConnect, snapshotting EBS RAID arrays, DynamoDB, spot instances, Glacier, AWS/user security responsibilities, etc.
#AWS
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The 30 Day constraint in the S3 Lifecycle Policy before transitioning to S3-IA and S3-One Zone IA storage classes
#AWS S3 lifecycle policy
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Know that FTP is using TCP and not UDP (Helpful for questions where you are asked to troubleshoot the network flow)
TCP and UDP
