A Sysops Administrator Has an AWS Lambda Function That Performs

question 82

Multiple Choice

A sysops administrator has an AWS Lambda function that performs maintenance on various AWS resources. This function must be run nightly. Which is the MOST cost-effective solution?

• A) Launch a single t2.nano Amazon EC2 instance and create a Linux cron job to invoke the Lambda function at the same time every night.
• B) Set up an Amazon CloudWatch metrics alarm to invoke the Lambda function at the same time every night.
• C) Schedule an Amazon EventBridge (Amazon CloudWatch Events) rule to invoke the Lambda function at the same time every night.
• D) Implement a Chef recipe in AWS OpsWorks stack to invoke the Lambda function at the same time every night.

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Definitions:

Diseconomies of Scale

Phenomena that occur when a company or business grows so large that the costs per unit increase, leading to inefficiency and increased per-unit costs.

Large Business

A corporation or conglomerate with extensive operations, high revenue, and a significant number of employees.

Managing and Coordinating

The processes of directing, overseeing, and orchestrating activities within an organization to achieve predetermined objectives.

Minimum Efficient Scale

Minimum efficient scale is the smallest scale of production at which a firm can achieve long-term average costs that are as low as possible.