You Are Using a Configuration Management System to Manage Your

question 461

Multiple Choice

You are using a configuration management system to manage your Amazon EC2 instances. On your Amazon EC2 Instances, you want to store credentials for connecting to an Amazon RDS DB instance. How should you securely store these credentials?

• A) Give the Amazon EC2 instances an IAM role that allows read access to a private Amazon S3 bucket. Store a file with database credentials in the Amazon S3 bucket. Have your configuration management system pull the file from the bucket when it is needed.
• B) Launch an Amazon EC2 instance and use the configuration management system to bootstrap the instance with the Amazon RDS DB credentials. Create an AMI from this instance.
• C) Store the Amazon RDS DB credentials in Amazon EC2 user data. Import the credentials into the Instance on boot.
• D) Assign an IAM role to your Amazon RDS instance, and use this IAM role to access the Amazon RDS DB from your Amazon EC2 instances.
• E) Store your credentials in your version control system, in plaintext. Check out a copy of your credentials from the version control system on boot. Use Amazon EBS encryption on the volume storing the Amazon RDS DB credentials.

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Definitions:

Principal Diagnosis

The main condition determined after study to be primarily responsible for a patient's need for treatment or hospitalization.

Conditions

Various states of health or illness that can affect organisms, ranging from physical diseases to mental disorders.

Code B97.0

A specific code in the International Classification of Diseases system, representing a particular medical condition or diagnosis.

Adenovirus

A type of virus that can cause a variety of illnesses, from mild respiratory infections to severe illnesses like pneumonia.