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Question 730 - SAA-C03 discussion

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A company runs an application that uses Amazon RDS for PostgreSQL The application receives traffic only on weekdays during business hours The company wants to optimize costs and reduce operational overhead based on this usage.

Which solution will meet these requirements?

A.
Use the Instance Scheduler on AWS to configure start and stop schedules.
Answers
A.
Use the Instance Scheduler on AWS to configure start and stop schedules.
B.
Turn off automatic backups. Create weekly manual snapshots of the database.
Answers
B.
Turn off automatic backups. Create weekly manual snapshots of the database.
C.
Create a custom AWS Lambda function to start and stop the database based on minimum CPU utilization.
Answers
C.
Create a custom AWS Lambda function to start and stop the database based on minimum CPU utilization.
D.
Purchase All Upfront reserved DB instances
Answers
D.
Purchase All Upfront reserved DB instances
Suggested answer: A

Explanation:

Understanding the Requirement: The company wants to optimize costs and reduce operational overhead for an RDS for PostgreSQL database that only needs to be active during business hours on weekdays.

Analysis of Options:

Instance Scheduler on AWS: Allows for automated start and stop schedules based on specified times, ideal for resources only needed during certain hours. This directly optimizes costs by running the database only when needed.

Turn off automatic backups and create weekly snapshots: Does not address the requirement of reducing operational overhead and optimizing runtime costs.

Custom Lambda function: This could work but adds unnecessary complexity compared to using the Instance Scheduler.

All Upfront Reserved DB Instances: While this reduces costs, it does not optimize for usage patterns that require the database only during specific hours.

Best Solution:

Instance Scheduler on AWS: This option effectively manages the database runtime based on the specified schedule, reducing costs and operational overhead.

Instance Scheduler on AWS

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asked 16/09/2024
Gennaro Migliaccio
33 questions
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