AWS Certified Cloud Practitioner
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A company needs to host a highly available application in the AWS Cloud. The application runs infrequently for short periods of time. Which AWS service will meet these requirements with the least amount of operational overhead?
Real Exam
Community
RRitesh
A
Amazon EC2
B
AWS Fargate
C
AWS Lambda
D
Amazon Aurora
Explanation:
Explanation
AWS Lambda is the best choice for this scenario because:
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Serverless Architecture: Lambda automatically manages the underlying infrastructure, eliminating operational overhead for provisioning, scaling, and maintaining servers
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Event-Driven Execution: Lambda functions run only when triggered, making it ideal for infrequent, short-duration workloads
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High Availability: AWS automatically runs Lambda functions across multiple Availability Zones for fault tolerance
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Pay-per-Use Pricing: You only pay for the compute time consumed during function execution, which is cost-effective for infrequent workloads
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Automatic Scaling: Lambda automatically scales to handle the number of requests without any manual intervention
Why other options are less suitable:
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Amazon EC2: Requires manual management of servers, scaling, and availability configurations
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AWS Fargate: Serverless containers but still requires container management and may have longer cold start times
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Amazon Aurora: A managed database service, not suitable for application hosting
Lambda's serverless nature provides the least operational overhead while meeting the high availability and infrequent execution requirements.
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