O

Question 1

object

Answer 1

Amazon Simple Storage Service (Amazon S3): The fundamental entity type stored in Amazon S3. Objects consist of object data and metadata. The data portion is opaque to Amazon S3.

Question 2

observation

Answer 2

Amazon Machine Learning: A single instance of data that Amazon Machine Learning (Amazon ML) uses to either train a machine learning model how to predict or to generate a prediction. Each row in an Amazon ML input data file is an observation.

Question 3

On-Demand Instance

Answer 3

An Amazon EC2 pricing option that charges you for compute capacity by the hour with no long-term commitment.

Question 4

operation

Answer 4

An API function. Also called an action.

Question 5

optimistic locking

Answer 5

A strategy to ensure that an item that you want to update has not been modified by others before you perform the update. For Amazon DynamoDB, optimistic locking support is provided by the AWS SDKs.

Question 6

organization

Answer 6

AWS Organizations: An entity that you create to consolidate and manage your AWS accounts. An organization has one master account along with zero or more member accounts.

Question 7

organizational unit

Answer 7

AWS Organizations: A container for accounts within a root of an organization. An organizational unit (OU) can contain other OUs.

Question 8

origin access identity

Answer 8

Also called OAI. When using Amazon CloudFront to serve content with an Amazon S3 bucket as the origin, a virtual identity that you use to require users to access your content through CloudFront URLs instead of Amazon S3 URLs. Usually used with CloudFront private content.

Question 9

origin server

Answer 9

The Amazon S3 bucket or custom origin containing the definitive original version of the content you deliver through CloudFront.

Question 10

original environment

Answer 10

The instances in a deployment group at the start of an AWS CodeDeploy blue/green deployment.

Question 11

OSB transformation

Answer 11

Orthogonal sparse bigram transformation. In machine learning, a transformation that aids in text string analysis and that is an alternative to the n-gram transformation. OSB transformations are generated by sliding the window of size n words over the text, and outputting every pair of words that includes the first word in the window.

See Also n-gram transformation.

Question 12

OU

Answer 12

See organizational unit.

Question 13

output location

Answer 13

Amazon Machine Learning: An Amazon S3 location where the results of a batch prediction are stored.