Exam AWS Certified Database - Specialty All Questions

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Exam AWS Certified Database - Specialty topic 1 question 179 discussion

Exam question from Amazon's AWS Certified Database - Specialty

Question #: 179
Topic #: 1

[All AWS Certified Database - Specialty Questions]

A database specialist is responsible for designing a highly available solution for online transaction processing (OLTP) using Amazon RDS for MySQL production databases. Disaster recovery requirements include a cross-Region deployment along with an RPO of 5 minutes and RTO of 30 minutes.
What should the database specialist do to align to the high availability and disaster recovery requirements?

A. Use a Multi-AZ deployment in each Region.
B. Use read replica deployments in all Availability Zones of the secondary Region.
C. Use Multi-AZ and read replica deployments within a Region.
D. Use Multi-AZ and deploy a read replica in a secondary Region.

Show Suggested Answer

Suggested Answer: D 🗳️

by johnconnor at Nov. 21, 2021, 6:43 p.m.

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Comments

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novice_expert

3 years, 1 month ago

Selected Answer: D

D. Use Multi-AZ and deploy a read replica in a secondary Region. High availability = Multi AZ Disaster recovery = Read replica in a secondary region (or standby instance)

upvoted 3 times

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kret

3 years, 1 month ago

Selected Answer: D

HA -> Multi AZ, cross region DR -> read replica in a secondary region

upvoted 3 times

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Hariru

3 years, 3 months ago

I guess there must be a 6 hours limit somehow

upvoted 1 times

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SMAZ

3 years, 5 months ago

Answer is D

upvoted 1 times

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jove

3 years, 5 months ago

Selected Answer: D

High availability = Multi AZ Disaster recovery = Read replica in a secondary region

upvoted 4 times

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IshtarSQL

3 years, 6 months ago

Answer: A Multi-AZ is for High Availability, Read Replicas are for Scalability, which the question does not mention. A is the only choice that does not include a needing a Read Replica.

upvoted 3 times

grekh001

3 years, 5 months ago

The question asks for High Availability AND Disaster Recovery. So you need both Multi-AZ for the High Availabilty and a Read Replica for the DR. Answer is D

upvoted 3 times

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johnconnor

3 years, 6 months ago

Shouldn't it be D?

upvoted 3 times

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