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

Chapter 7

  1. 2

Increasing the queue to the highest priority will improve the performance, but this will impact other queries.

Increasing concurrency scaling will allow the queue to scale as required.

A query monitoring rule will take too long to scale and will not fix the problem.

Queue hopping only works for manually configured workload management.

  1. 4

The clue in the question is least possible customization and coding. All of these answers will work, but the simplest is using QuickSight directly, as it can query all of those sources. This was partially a trick question by putting in the RedShift option.

  1. 4

As the data can be easily recovered, there is no need to take backups. The other answers all still involve taking backups, so they are not correct.

  1. 3

DocumentDB is the only solution that supports JSON document querying.

  1. 4

DocumentDB has a document limit of 16 MB, so the 20 MB document is too large.