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Danny Steenman

91 likes

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33.1K reads

7 comments

Iain Samuel McLean Elder
Iain Samuel McLean Elder
Aug 25, 2020

Thanks, Danny! I'm preparing to renew my associate certification, and this guide is just what I was looking for. It's a relief to see that the basics haven't changed too much in three years, I haven't missed anything major ;-)

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Sourabh Cheedella
Sourabh Cheedella
Aug 24, 2020

Great article! I'm looking forward to a guide on the DevOps Engineer Exam, Professional Level.

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Tom Harrison
Tom Harrison
Aug 24, 2020

Question 6: How is it that RDS is not just as Multi-AZ-aware as DynamoDB and S3?

And VPCs are also designed to support multi-AZ insofar as a subnet can span multiple AZs, load balancers are multi-AZ, Autoscaling is multi-az, etc.

Is there some nuance I have missed?

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·1 reply
Danny Steenman
Danny Steenman
Author
·Aug 24, 2020

DynamoDB and S3 are designed by default to be fault tolerant and use Multi-AZ design principles to accomplish that. All the other services are applicable to be deployed Multi-AZ but by default are deployed in a Single-AZ unless specified otherwise.

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Fon Nkwenti Nkwenti
Fon Nkwenti Nkwenti
Dec 5, 2020

Thanks for this article. Could you rank your AWS certs in order of difficulty?

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Peter Thaleikis
Peter Thaleikis
Jan 4, 2021

Thanks Danny, the "at least 40 to 50 hours" is for people coming with prior IT knowledge (e.g. software engineers) or is it general?

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