A DevOps Team Needs to Query Information in Application Logs

question 37

Multiple Choice

A DevOps team needs to query information in application logs that are generated by an application running multiple Amazon EC2 instances deployed with AWS Elastic Beanstalk. Instance log streaming to Amazon CloudWatch Logs was enabled on Elastic Beanstalk. Which approach would be the MOST cost-efficient?

• A) Use a CloudWatch Logs subscription to trigger an AWS Lambda function to send the log data to an Amazon Kinesis Data Firehose stream that has an Amazon S3 bucket destination. Use Amazon Athena to query the log data from the bucket.
• B) Use a CloudWatch Logs subscription to trigger an AWS Lambda function to send the log data to an Amazon Kinesis Data Firehose stream that has an Amazon S3 bucket destination. Use a new Amazon Redshift cluster and Amazon Redshift Spectrum to query the log data from the bucket.
• C) Use a CloudWatch Logs subscription to send the log data to an Amazon Kinesis Data Firehose stream that has an Amazon S3 bucket destination. Use Amazon Athena to query the log data from the bucket.
• D) Use a CloudWatch Logs subscription to send the log data to an Amazon Kinesis Data Firehose stream that has an Amazon S3 bucket destination. Use a new Amazon Redshift cluster and Amazon Redshift Spectrum to query the log data from the bucket.

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Definitions:

Cohort

A group of individuals sharing a significant common characteristic, often utilized in studies to examine specific outcomes over a time period.

Cross-Sectional Study

An observational type of study that analyzes data from a population, or a representative subset, at a specific point in time.

Random Sample

A method of selecting individuals from a population where each has an equal chance of being chosen, ensuring the sample's representativeness.

Preoperational Stage

The second stage in Piaget's theory of cognitive development, where children aged 2-7 years begin to think symbolically but are not yet able to perform operations, or reversible mental actions.