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

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

  1. A customer is developing a new application. Information will be uploaded from a large number of different devices. The customer is concerned about unexpectedly high volumes of data being loaded and exceeding the storage that's been allocated to the database. What steps can they take to simply and cost-effectively solve this issue?
    1. Migrate from RDS to EC2 and turn on autoscaling for the instance's compute.
    2. Use S3 to store the incoming data and build a lambda function to merge the updates to RDS.
    3. Enable storage autoscaling for the RDS instance.
    4. Create a read replica and send the read-only traffic to it.
  2. You are using a new RDS PostgreSQL database. You are unable to connect to the database using pgsql. What...