Which design principle is included in the operational excellence pillar of the AWS Well-Architected Framework?

• A.Create annotated documentation.
• B.Anticipate failure.
• C.Ensure performance efficiency.
• D.Optimize costs.

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Which benefit of the AWS Cloud helps companies achieve lower usage costs because of the aggregate usage of all AWS users?

• A.No need to guess capacity
• B.Ability to go global in minutes
• C.Economies of scale
• D.Increased speed and agility

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A company is running an order processing system on Amazon EC2 instances. The company wants to migrate microservices-based application.
Which combination of AWS services can the application use to meet these requirements? (Select TWO.)

• A.Amazon Simple Queue Service (Amazon SQS)
• B.AWS Lambda
• C.AWS Migration Hub
• D.AWS AppSync
• E.AWS Application Migration Service

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Which actions are examples of a company's effort to right size its AWS resources to control cloud costs?
(Select TWO.)

• A.Switch from Amazon RDS to Amazon DynamoDB to accommodate NoSQL datasets.
  Q B. Base the selection of Amazon EC2 instance types on past utilization patterns.
• B.Use Amazon S3 Lifecycle policies to move objects that users access infrequently to lower-cost storage tiers.
• C.Use Multi-AZ deployments for Amazon RDS.
• D.Replace existing Amazon EC2 instances with AWS Elastic Beanstalk.

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A company needs a content delivery network that provides secure delivery of data, videos, applications, and APIs to users globally with low latency and high transfer speeds.
Which AWS service meets these requirements?

• A.Amazon CloudFront
• B.Elastic Load Balancing
• C.Amazon S3
• D.Amazon Elastic Transcoder

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