Category: SAA-C03 Cert Guide

Caching Data with CDNs If Julian is the first user in the last 24 hours to load any of the requested files, the Winnipeg CDN POP won’t find the files in its temporary cache. The POP would then relay a web request to the website origin address hosted in the cloud region hundreds of miles…

Reliability and Performance Are Linked Safety, testability, quality, maintainability, stability, durability, and availability are all aspects of a workload’s overall reliability. Reliability is the critical design consider-ation. For example, if a workload crashes periodically but reboots and carries on, persistent end users who retry their requests might get their results eventually. But besides the obvious…

Performance Efficiency Pillar In information technology systems engineering, design specialists characterize workloads as compute oriented, storage focused, or memory driven, designing solutions tuned to efficiently meet the design requirements. To achieve your performance goals, customers must address how the design of workload components can affect the performance efficiency of the entire application stack. How can…

Security Pillar After the initial operational excellence design discussions, implementing a strong security foundation is next. After a workload has been deployed, the management of workload security is paramount. Organizations must design security into their cloud solution architectures to protect the workload and ensure its survival from attacks and catastrophic events. If your online store…

Foundation Topics The Well-Architected Framework As previously mentioned, AWS, Microsoft Azure, and Google Cloud all have their own well-architected frameworks (WAFs) as guidance, broken up into essential cat-egories. I strongly recommend AWS’s guidance for workload deployment (and for preparing for the AWS Certified Solutions Architect – Associate exam; exam questions are based on the Reliability,…

Your organization may be developing applications to be hosted in the cloud, or they may want to move some or all of current IT operations to the cloud. Regardless of the reason or scenario, your organization’s applications/work-loads that are moved to the cloud will be hosted on a variety of cloud services maintained and provided…

AWS Services Cheat Sheet Data can be read using CSV tables or JSON documents. In Conclusion In this initial chapter, we have looked at what the public cloud is and how AWS fits into the public cloud arena in terms of IaaS and PaaS services. This chapter also introduced the NIST definitions of the public…

AWS Services Cheat Sheet Each section of the exam domains for the AWS Certified Solutions Architect – Associated (SAA-C03) exam is covered in a separate chapter in this book. You can quickly understand a variety of AWS services that are covered by the exam domains via a short explanation provided by the following list. You…

Applications with Many Local Dependencies That Cause Problems When Being Moved to the Cloud For applications that fit in this category, consider the following: queues (Amazon Simple Queue Service [SQS]), auto scaling (EC2 Auto Scaling), or hosted logging services (CloudWatch logs). Replacing an Existing Application with a SaaS Application Hosted by a Public Cloud Provider…

Migrating Applications For applications that have been chosen as starting candidates to move to the AWS cloud, several decisions need to be made about each application’s journey or path. There are several options available for moving an application, depending on factors such as the age of the application and its operating system, and any local…