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AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide

AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide

By : Tim McConnaughy, Steve McNutt, Christopher Miles
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AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide

AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide

By: Tim McConnaughy, Steve McNutt, Christopher Miles

Overview of this book

The AWS Certified Advanced Networking – Specialty certification exam focuses on leveraging AWS services alongside industry standards to create secure, resilient, and scalable cloud networks. Written by industry experts with decades of experience in the field, this comprehensive exam guide will enable you to transform into an AWS networking expert, going beyond the ANS-C01 exam blueprint to maximize your impact in the field. You’ll learn all about intricate AWS networking options and services with clear explanations, detailed diagrams, and practice questions in each chapter. The chapters help you gain hands-on experience with essential components, such as VPC networking, AWS Direct Connect, Route 53, security frameworks, and infrastructure as code. With access to mock exams, interactive flashcards, and invaluable exam tips, you have everything you need to excel in the AWS ANS-C01 exam. This book not only prepares you to confidently take the exam, but also deepens your understanding and provides practical insights that are vital for a successful career in AWS cloud networking. By the end of this exam guide, you’ll be thoroughly trained to take the AWS ANS-C01 exam and efficiently design and maintain network architectures across a wide range of AWS services.
Table of Contents (22 chapters)
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Route Tables

As mentioned in the VPC Basics section, route tables are utilized to direct traffic in and potentially out of a VPC using the VPC router. If you are familiar with the concept of virtual routing and forwarding (VRF) instances, route tables function in a comparable way within the VPC router. Refer to the following logic.

It is important to remember that the VPC router essentially has an interface within every single subnet that uses the IP address of the network address + 1. Also, each one of these subnets must be associated with a route table. You can visualize it as if all of the subnets associated with the same route table belong to the same VRF instance, that is, they all share the same routing rules when traffic is sent to the default gateway, which is commonly the VPC router.

However, there is one caveat with this analogy. Associating subnets with separate route tables does not inherently imply any segmentation inside the VPC. Segmentation is commonly addressed...

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