Book Image

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

By : Kate Gawron
5 (1)
Book Image

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

5 (1)
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)
1
Part 1: Introduction to Databases on AWS
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

Review

Now, let's practice a few exam-style questions:

  1. You are advising a large financial company on the best strategy to migrate its on-premises MySQL database, application, and web servers. RDS MySQL is being considered as the target database engine. Access to the database should be limited to only the application servers and a bastion host.

Which solution meets these security requirements?

  1. Provision the RDS MySQL database in a private subnet. Modify the login.cnf file on the RDS host to allow connections from only the application servers and bastion host.
  2. Provision the RDS MySQL database in a public subnet. Create a new security group with inbound rules to allow connections from only the security groups of the application servers and bastion host. Attach the new security group to the DB instance.
  3. Provision the RDS MySQL database in a private subnet. Create a new security group with inbound rules to allow connections from only the security groups...