A Developer Wants to Debug an Application by Searching and Filtering

question 149

Multiple Choice

A Developer wants to debug an application by searching and filtering log data. The application logs are stored in Amazon CloudWatch Logs. The Developer creates a new metric filter to count exceptions in the application logs. However, no results are returned from the logs. What is the reason that no filtered results are being returned?

• A) A setup of the Amazon CloudWatch interface VPC endpoint is required for filtering the CloudWatch Logs in the VPC
• B) CloudWatch Logs only publishes metric data for events that happen after the filter is created
• C) The log group for CloudWatch Logs should be first streamed to Amazon Elasticsearch Service before metric filtering returns the results
• D) Metric data points for logs groups can be filtered only after they are exported to an Amazon S3 bucket

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Definitions:

Price Ratio

The ratio of the prices of two goods or services, often used in the context of trade or barter.

Elasticity of Demand

A measure of how responsive the quantity demanded is to a change in price, indicating how a product's demand will fluctuate with pricing changes.

Marginal Rate

Often refers to the incremental increase in cost or benefit associated with a one-unit change in an economic activity.

Substitution

The economic principle where consumers replace more expensive items with less costly alternatives, or when firms swap higher-priced inputs with cheaper resources.