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AWS-Certified-Big-Data-Specialty-BDS-C00 – AWS Certified Big Data - Specialty (BDS-C00)

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Showing 1–3 of 15 questions

Question 1

Which of the following are true regarding AWS Cloud Trail?

Choose 3 answers

Select all that apply, then click Submit answer.

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    Cloudtrail is enabled globally
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    Cloudtrail is enabled by default
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    Cloudtrail is enabled on a per-region basis
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    Cloudtrail is enabled on a per-service basis
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    Logs can be delivered to a single Amazon S3 bucket for aggregation
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    Logs can only be processes and delivered to the region in which they are generated
Question 2

Customers have recently been complaining that your web application has randomly stopped responding.

During a deep dive of your logs, the team has discovered a major bug in your Java web application. This bug

is causing a memory leak that eventually causes the application to crash.

Your web application runs on Amazon EC2 and was built with AWS CloudFormation.

Which techniques should you see to help detect theses problems faster, as well as help eliminate the server’s unresponsiveness?

Choose 2 answers

Select all that apply, then click Submit answer.

  • ○

    Update your AWS CloudFormation configuration and enable a CustomResource that uses cfn- signal to detect memory leaks
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    Update your CloudWatch metric granularity config for all Amazon EC2 memory metrics to support five-second granularity. Create a CloudWatch alarm that triggers an Amazon SNS notification to page your team when the application memory becomes too large
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    Update your AWS CloudFormation configuration to take advantage of Auto Scaling groups.

    Configure an Auto Scaling group policy to trigger off your custom CloudWatch metrics
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    Create a custom CloudWatch metric that you push your JVM memory usage to create a CloudWatch alarm that triggers an Amazon SNS notification to page your team when the application memory usage becomes too large
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    Update your AWS CloudFormation configuration to take advantage of CloudWatch metrics Agent. Configure the CloudWatch Metrics Agent to monitor memory usage and trigger an Amazon SNS alarm
Question 3

Which of the following instance types are available as Amazon EBS backend only?

Select all that apply, then click Submit answer.

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    General purpose T2
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    General purpose M3
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    Compute-optimized C4
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    Compute-optimized C3
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    Storage-optimized 12