A Developer Is Writing an Application That Will Process Data

question 269

Multiple Choice

A developer is writing an application that will process data delivered into an Amazon S3 bucket. The data is delivered approximately 10 times a day, and the developer expects the data will be processed in less than 1 minute, on average. How can the developer deploy and invoke the application with the lowest cost and lowest latency?

• A) Deploy the application as an AWS Lambda function and invoke it with an Amazon CloudWatch alarm triggered by an S3 object upload.
• B) Deploy the application as an AWS Lambda function and invoke it with an S3 event notification.
• C) Deploy the application as an AWS Lambda function and invoke it with an Amazon CloudWatch scheduled event.
• D) Deploy the application onto an Amazon EC2 instance and have it poll the S3 bucket for new objects.

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Definitions:

Deoxyribonucleic Acid

A molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses, often abbreviated as DNA.

DNA

A complex molecule that contains genetic information.

Human Genome Project

A scientific research project that aimed to determine the sequence of nucleotide base pairs that make up human DNA, and to identify and map the genes of the human genome.

Human Genome

The complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria.