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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 53 Resolver

Route 53 Resolver provides a DNS resolution service to VPCs and on-premises resources. Through a combination of endpoints and routing rules for conditional forwarding, Route 53 Resolver integrates on-prem resources in hybrid cloud designs.

Within a VPC, Route 53 Resolver is always the +2 address of the CIDR range. The Resolver is also available at 169.254.169.253. For example, if you have a VPC with a CIDR of 172.31.0.0/16, Route 53 Resolver will be 172.31.0.2.

Figure 7.16 illustrates where AWS will place the Route 53 Resolver endpoint in a VPC using the +2 rule.

Figure 7.16: Route 53 Resolver placement in a VPC

Figure 7.16: Route 53 Resolver placement in a VPC

Figure 7.16 shows that resources in other subnets within the VPC will have their DNS client traffic routed to the subnet where the Route 53 Resolver endpoint exists.

As you may recall from the section on private hosted zones, if a private hosted zone is attached to the VPC, Route 53 Resolver will return records for that...

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