
AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide
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Throughout this certification guide, each chapter has endeavored to help you understand how to identify the correct services to use based on the business requirements. This section should be more of a recap than new information, conveniently collected and presented in a small, digestible format.
Generally, the more complex the requirements for workloads and services to connect to each other, the less likely you are to rely on cloud-native services alone. In addition, the more connectivity needs to scale, the more likely you are to utilize advanced AWS network services such as Transit Gateway and not rely on basic options such as VPC peering.
From a scale/complexity standpoint, the network services rank like this, in order of least complex and least scale to most complex and with the highest scale: