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 new 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 use to help detect these problems faster, as well as help eliminate the server's unresponsiveness? Choose 2 answers

• A.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.
• B.Update your AWS CloudFormation configuration and enable a CustomResource that uses cfn- signal to detect memory leaks.
• C.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.
• D.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.
• E.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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Consider the portion of a CloudTrail log file below. Which type of event is being captured?
"eventTime":"2016-07-16T17:35:32Z",
"eventSource":"signin.amazonaws.com",
"eventName":"ConsoleLogin",
"awsRegion":"us-west-1",
"sourceIPAddress":"192.1.2.10",
...

• A.AWS console sign-in
• B.AWS log off
• C.AWS error
• D.AWS deployment

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A company mandates the creation of capture logs for everything running in its AWS account. The account has multiple VPCs with Amazon EC2 instances, Application Load Balancers, Amazon RDS MySQL databases, and AWS WAF rules configured. The logs must be protected from deletion. A daily visual analysis of log anomalies from the previous day is required.
Which combination of actions should a DevOps Engineer take to accomplish this? (Choose three.)

• A.Configure an AWS Lambda function to send all CloudWatch logs to an Amazon S3 bucket.
  Create a dashboard report in Amazon QuickSight.
• B.Configure AWS Artifact to send all logs to the logging Amazon S3 bucket. Create a dashboard report in Amazon QuickSight.
• C.Deploy an Amazon CloudWatch agent to all Amazon EC2 instances.
• D.Configure an Amazon S3 object lock legal hold on the logging Amazon S3 bucket.
• E.Configure Amazon S3 MFA Delete on the logging Amazon S3 bucket.
• F.Configure AWS CloudTrail to send all logs to Amazon Inspector. Create a dashboard report in Amazon QuickSight.

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What is the purpose of a Docker swarm worker node?

• A.scheduling services
• B.service swarm node HTTP API endpoints
• C.executing containers
• D.maintaining cluster state

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You need to migrate 10 million records in one hour into DynamoDB. All records are 1.5KB in size. The
data is evenly distributed across the partition key. How many write capacity units should you provision
during this batch load?

• A.6667
• B.4166
• C.5556
• D.2778

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