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

You're reading from   AWS Certified Database – Specialty (DBS-C01) Certification Guide A comprehensive guide to becoming an AWS Certified Database specialist

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781803243108
Length 472 pages
Edition 1st Edition
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Author (1):
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Kate Gawron Kate Gawron
Author Profile Icon Kate Gawron
Kate Gawron
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Toc

Table of Contents (24) Chapters Close

Preface 1. Part 1: Introduction to Databases on AWS
2. Chapter 1: AWS Certified Database – Specialty Overview FREE CHAPTER 3. Chapter 2: Understanding Database Fundamentals 4. Chapter 3: Understanding AWS Infrastructure 5. Part 2: Workload-Specific Database Design
6. Chapter 4: Relational Database Service 7. Chapter 5: Amazon Aurora 8. Chapter 6: Amazon DynamoDB 9. Chapter 7: Redshift and DocumentDB 10. Chapter 8: Neptune, Quantum Ledger Database, and Timestream 11. Chapter 9: Amazon ElastiCache 12. Part 3: Deployment and Migration and Database Security
13. Chapter 10: The AWS Schema Conversion Tool and AWS Database Migration Service 14. Chapter 11: Database Task Automation 15. Chapter 12: AWS Database Security 16. Part 4: Monitoring and Optimization
17. Chapter 13: CloudWatch and Logging 18. Chapter 14: Backup and Restore 19. Chapter 15: Troubleshooting Tools and Techniques 20. Part 5: Assessment
21. Chapter 16: Exam Practice
22. Chapter 17: Answers 23. Other Books You May Enjoy

Chapter 3

  1. 4

An internet gateway is not used with a private IP, so this answer is incorrect.

Security groups have all outbound ports open by default, so there is no need to open port 80 specifically.

A private subnet can connect to the internet with the correct configuration.

A correctly configured route table is required for any internet connectivity, so answer 4 is correct.

  1. 3

A security group does not allow connections to other AWS services such as S3 and RDS by default, so this is incorrect.

Security groups block all inbound traffic by default, so this answer is incorrect.

Security groups do allow all outbound traffic by default, so 3 is the correct answer.

A route table is required for an internet gateway to be used, so this is incorrect.

  1. 1 and 4

Each subnet can only be deployed in a single AZ, so 1 is a correct answer.

The smallest CIDR block you can allow is /28, so this is incorrect.

Private subnets connect to...

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