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 questions

To check your knowledge from this chapter, here are five questions that you should now be able to answer. Remember the exam techniques from Chapter 1, AWS Certified Database – Specialty Exam Overview, and remove the clearly incorrect answers first to help you:

  1. A user has deployed a database in a private subnet in their VPC. They have created an internet gateway and a NAT gateway. The database is unable to connect to the internet to check for updates. What is the most likely reason?
    1. An internet gateway with a private IP was used.
    2. The user needs to allow outbound traffic in the security group for port 80 to allow internet updates.
    3. A private subnet can never connect to the internet.
    4. The route tables are updated to point all external traffic to the gateways.
  2. A user has created a VPC with a single public subnet. The user has created a security group for that VPC. Which of the following statements is true when a security group is created?
    1. It can connect to...