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  • Book Overview & Buying AWS Certified Database – Specialty (DBS-C01) Certification Guide
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AWS Certified Database – Specialty (DBS-C01) Certification Guide

AWS Certified Database – Specialty (DBS-C01) Certification Guide

By : Kate Gawron
4.6 (23)
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AWS Certified Database – Specialty (DBS-C01) Certification Guide

AWS Certified Database – Specialty (DBS-C01) Certification Guide

4.6 (23)
By: Kate Gawron

Overview of this book

The AWS Certified Database – Specialty certification is one of the most challenging AWS certifications. It validates your comprehensive understanding of databases, including the concepts of design, migration, deployment, access, maintenance, automation, monitoring, security, and troubleshooting. With this guide, you'll understand how to use various AWS databases, such as Aurora Serverless and Global Database, and even services such as Redshift and Neptune. You’ll start with an introduction to the AWS databases, and then delve into workload-specific database design. As you advance through the chapters, you'll learn about migrating and deploying the databases, along with database security techniques such as encryption, auditing, and access controls. This AWS book will also cover monitoring, troubleshooting, and disaster recovery techniques, before testing all the knowledge you've gained throughout the book with the help of mock tests. By the end of this book, you'll have covered everything you need to pass the DBS-C01 AWS certification exam and have a handy, on-the-job desk reference guide.
Table of Contents (24 chapters)
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1
Part 1: Introduction to Databases on AWS
Lock Free Chapter
2
Chapter 1: AWS Certified Database – Specialty Overview
5
Part 2: Workload-Specific Database Design
12
Part 3: Deployment and Migration and Database Security
16
Part 4: Monitoring and Optimization
20
Part 5: Assessment
21
Chapter 16: Exam Practice

Resolving common errors

Some issues on RDS are seen more frequently than others. We are going to learn some of the most common errors and how to resolve them. Firstly, we will learn how to deal with connectivity issues with an RDS instance.

RDS connection issues

Typically, connection errors are caused by one of five areas, as outlined here:

  • Security group rules—Review your security groups to make sure the inbound rules allow connections from the source on the port the database is running on.
  • NACL rules—Review your NACLs to ensure that inbound or outbound traffic to/from the database has not been set to DENY.
  • Publicly available not set—To access the RDS instance from outside of your VPC, you need to have made it publicly available and given it a public Internet Protocol (IP) address. You can change this by modifying the instance.
  • Internet gateway—To access the RDS instance, you need an internet gateway within the public subnets of...
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AWS Certified Database – Specialty (DBS-C01) Certification Guide
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