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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 Routing Policies

Route 53 DNS records are different from normal DNS records because they offer more control over how traffic is directed. Normal DNS records just link a domain name to an IP address. In Route 53, routing policies let you send traffic based on things such as whether a server is healthy, where the user is located, or which server can respond the fastest. For example, if a server goes down, failover routing automatically sends users to a backup server. Latency and geolocation policies make sure users are directed to the closest or fastest server, giving better performance than normal DNS.

When configuring a DNS record in Route 53, selecting a routing policy is the first step when configuring a resource record in a hosted domain. The policy selected is based on what your goals are for that resource. Except for simple routing, all routing policies support the use of health checks.

The following is a summary of the routing policies available in AWS:

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