A Marketing Company Is Using Amazon EMR Clusters for Its

question 80

Multiple Choice

A marketing company is using Amazon EMR clusters for its workloads. The company manually installs third-party libraries on the clusters by logging in to the master nodes. A data analyst needs to create an automated solution to replace the manual process. Which options can fulfill these requirements? (Choose two.)

• A) Place the required installation scripts in Amazon S3 and execute them using custom bootstrap actions.
• B) Place the required installation scripts in Amazon S3 and execute them through Apache Spark in Amazon EMR.
• C) Install the required third-party libraries in the existing EMR master node. Create an AMI out of that master node and use that custom AMI to re-create the EMR cluster.
• D) Use an Amazon DynamoDB table to store the list of required applications. Trigger an AWS Lambda function with DynamoDB Streams to install the software.
• E) Launch an Amazon EC2 instance with Amazon Linux and install the required third-party libraries on the instance. Create an AMI and use that AMI to create the EMR cluster.

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Definitions:

Behavioral Economists

Experts who investigate the impact of mental, cognitive, emotional, cultural, and social aspects on the financial decision-making of people and institutions.

Marathon Performance

The outcomes or results achieved by individuals or groups in the context of a long-distance running event, typically 26.2 miles.

Precommitments

Binding agreements made in advance to restrict future actions or decisions, often used in behavioral economics to help individuals stick to long-term goals.

Time Inconsistency

The tendency of a person or entity to change their planned course of action over time due to a change in preferences.