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?
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RRitesh
A
Amazon EC2
B
AWS Fargate
C
AWS Lambda
D
Amazon Aurora
Explanation:
Explanation
AWS Lambda is the correct choice because:
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Serverless Architecture: AWS Lambda is a serverless compute service that 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 by events, making it ideal for applications that run infrequently for short periods
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Automatic Scaling: Lambda automatically scales to handle the number of requests without any manual intervention
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High Availability: AWS Lambda is inherently highly available as it runs across multiple Availability Zones within a region
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Pay-per-Use Pricing: You only pay for the compute time you consume, which is cost-effective for infrequent workloads
Why not the others:
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Amazon EC2: Requires manual management of servers, scaling, and maintenance
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AWS Fargate: While serverless, still requires container management and is better for longer-running applications
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Amazon Aurora: This is a database service, not a compute service for hosting applications
AWS Lambda provides the least operational overhead while meeting the requirements for high availability and infrequent, short-duration execution.
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