ExampleCom Hosts Its Internal Document Repository on Amazon EC2 Instances

question 182

Multiple Choice

Example.com hosts its internal document repository on Amazon EC2 instances. The application runs on EC2 instances and previously stored the documents on encrypted Amazon EBS volumes. To optimize the application for scale, example.com has moved the files to Amazon S3. The security team has mandated that all the files are securely deleted from the EBS volume, and it must certify that the data is unreadable before releasing the underlying disks. Which of the following methods will ensure that the data is unreadable by anyone else?

• A) Change the volume encryption on the EBS volume to use a different encryption mechanism. Then, release the EBS volumes back to AWS.
• B) Release the volumes back to AWS. AWS immediately wipes the disk after it is deprovisioned.
• C) Delete the encryption key used to encrypt the EBS volume. Then, release the EBS volumes back to AWS.
• D) Delete the data by using the operating system delete commands. Run Quick Format on the drive and then release the EBS volumes back to AWS.

Understand the concept of risk and protective factors in the development of psychological disorders.

Recognize the symptoms and understand the classifications of specific phobias.

Understand the symptoms and diagnostic criteria of various anxiety disorders, including PTSD, OCD, and GAD.

Comprehend the concept of survivor resiliency and how it differs from PTSD.

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Definitions:

Variable Selection

Refers to the process of choosing the most relevant variables for use in a statistical model.

Resale Value

The amount of money that an asset will be sold for at some point in the future.

F Test

A statistical test used to compare the variances of two populations or to test the equality of two or more means in the context of variance.

Predictor Variables

Independent variables in statistical models that are used to predict outcomes of dependent variables.