Amazon Web Services SAA-C03 Exam With Confidence Using Practice Dumps

Because the workload follows apredictable business-hours schedule, the lowest-overhead solution is to usescheduled scalingwith EC2 Auto Scaling. AWS documentation states that scheduled actions let you scale an Auto Scaling group at specific times or on recurring schedules by changing desired, minimum, and maximum capacity. That directly matches a workload that needs instances during business hours and not at night. Manual start and stop actions add operational work, Spot Instances risk interruptions during business hours, and sizing for maximum load with Reserved Instances would overpay for idle time. Scheduled scaling automates the exact time-based pattern the question describes.

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An S3 Bucket Key reduces the cost of using AWS KMS for server-side encryption by decreasing the number of requests made to KMS. By enabling S3 Bucket Key, the company can meet its encryption requirements with KMS keys while optimizing costs by reducing the number of KMS API requests.

Key AWS features:

Cost Optimization: S3 Bucket Keys reduce the frequency of KMS calls, optimizing the cost associated with encryption while still using AWS KMS for key management.

Compliance with KMS Encryption: This solution continues to meet the strict encryption requirements of the company by using KMS managed keys.

AWS Documentation: Using an S3 Bucket Key is recommended for organizations looking to optimize encryption costs without compromising security​​.

Detailed Explanation:

A. EventBridge Rule:Detects modifications to CloudFront distributions in real time and triggers the Lambda function for further action.

B. ALB + Config:Focuses on ALB security violations, not relevant for CloudFront logging changes.

C. Lambda + SNS:Provides real-time notifications about changes in logging configuration.

D. GuardDuty:Focuses on threat detection, not logging configuration changes.

E. API Gateway + WAF:Unrelated to CloudFront logging changes.