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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 343 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 343
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A solutions architect is designing a company’s disaster recovery (DR) architecture. The company has a MySQL database that runs on an Amazon EC2 instance in a private subnet with scheduled backup. The DR design needs to include multiple AWS Regions.

Which solution will meet these requirements with the LEAST operational overhead?

  • A. Migrate the MySQL database to multiple EC2 instances. Configure a standby EC2 instance in the DR Region. Turn on replication.
  • B. Migrate the MySQL database to Amazon RDS. Use a Multi-AZ deployment. Turn on read replication for the primary DB instance in the different Availability Zones.
  • C. Migrate the MySQL database to an Amazon Aurora global database. Host the primary DB cluster in the primary Region. Host the secondary DB cluster in the DR Region.
  • D. Store the scheduled backup of the MySQL database in an Amazon S3 bucket that is configured for S3 Cross-Region Replication (CRR). Use the data backup to restore the database in the DR Region.
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Suggested Answer: C 🗳️
by jennyka76 at Feb. 21, 2023, 7:56 p.m.
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AlessandraSAA
Highly Voted 1 year, 6 months ago
Selected Answer: C
A. Multiple EC2 instances to be configured and updated manually in case of DR. B. Amazon RDS=Multi-AZ while it asks to be multi-region C. correct, see comment from LuckyAro D. Manual process to start the DR, therefore same limitation as answer A
upvoted 10 times
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LuckyAro
Highly Voted 1 year, 7 months ago
C: Migrate MySQL database to an Amazon Aurora global database is the best solution because it requires minimal operational overhead. Aurora is a managed service that provides automatic failover, so standby instances do not need to be manually configured. The primary DB cluster can be hosted in the primary Region, and the secondary DB cluster can be hosted in the DR Region. This approach ensures that the data is always available and up-to-date in multiple Regions, without requiring significant manual intervention.
upvoted 9 times
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gulmichamagaun5
Most Recent 9 months, 1 week ago
hello friends, question required: The DR design needs to include multiple AWS Regions, but the correct answer is B, how it comes, because the DR here is on AZ not Different Region so the i would go with D
upvoted 1 times
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TariqKipkemei
11 months, 3 weeks ago
Selected Answer: C
LEAST operational overhead = Serverless = Amazon Aurora global database
upvoted 3 times
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Guru4Cloud
1 year ago
Selected Answer: C
Amazon Aurora global database can span and replicate DB Servers between multiple AWS Regions. And also compatible with MySQL.
upvoted 2 times
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GalileoEC2
1 year, 6 months ago
C, Why B? B is multi zone in one region, C is multi region as it was requested
upvoted 2 times
lucdt4
1 year, 4 months ago
" The DR design needs to include multiple AWS Regions." with the requirement "DR SITE multiple AWS region" -> B is wrong, because it deploy multy AZ (this is not multi region)
upvoted 2 times
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KZM
1 year, 7 months ago
Amazon Aurora global database can span and replicate DB Servers between multiple AWS Regions. And also compatible with MySQL.
upvoted 4 times
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LuckyAro
1 year, 7 months ago
With dynamic scaling, the Auto Scaling group will automatically adjust the number of instances based on the actual workload. The target value for the CPU utilization metric is set to 60%, which is the baseline CPU utilization that is noted on each run, indicating that this is a reasonable level of utilization for the workload. This solution does not require any scheduling or forecasting, reducing the operational overhead.
upvoted 1 times
LuckyAro
1 year, 7 months ago
Sorry, Posted right answer to the wrong question, mistakenly clicked the next question, sorry.
upvoted 6 times
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geekgirl22
1 year, 7 months ago
C is the answer as RDS is only multi-zone not multi region.
upvoted 2 times
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bdp123
1 year, 7 months ago
Selected Answer: C
https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.Replication.html
upvoted 2 times
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SMAZ
1 year, 7 months ago
C option A has operation overhead whereas option C not.
upvoted 2 times
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alexman
1 year, 7 months ago
Selected Answer: C
C mentions multiple regions. Option B is within the same region
upvoted 4 times
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jennyka76
1 year, 7 months ago
ANSWER - B ?? NOT SURE
upvoted 1 times
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