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AWS DevOps Engineer Professional Questions with Correct Answers

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AWS DevOps Engineer Professional Questions with Correct Answers What is the names of the CodeDeploy deployment methods that are supported with Lambda functions? -Answer- LambdaAllAtOnce, LambdaCanary10PercentXMinutes, LambdaLinear10PercentXMinutes What are the supported sources for CodePipeline? -Answer- S3, AWS CodeCommit, GitHub, AWS ECR, AWS CodeStar Connections Where are AWS user credentials stored by default? -Answer- .aws/credentials How many Elastic IP addresses can an account have by default per AWS region? -Answer- 5 What AWS service is best suited for batch analysis of clickstream data? -Answer- EMR What is required to allow for passing queue messages that are 1GB in size? -Answer- Use the SQS Extended Client Library, and use S3 as a storage mechanism for message bodies. What are the data sources for AWS Macie? -Answer- S3 and CloudTrail What are valid data types for files in S3 to be read by AWS QuickSight? -Answer- CSV, TSV, ELF, CLF, JSON, XLSX How could one create an alarm that would notify people of health events in AWS? -Answer- CloudWatch Event for AWS Health Events, and use SNS for notifications. How do you configure CloudWatch to avoid INSUFFICIENT_DATA alarms with data sources that send data at longer intervals? -Answer- Configure CloudWatch to treat missing data points as "ignore". How do you get notified when Auto Scaling Groups fail to terminate instances? -Answer- Configure the ASG to send a notification to an SNS topic. What are the recommended services to use for receive notfications of events related to ASG scaling? -Answer- CloudWatch and SNS When changing the instance type of an Auto Scaling Group, what are the required steps? -Answer- Copy the existing launch configuration, modify the instance type, and attach the new launch configuration to the existing ASG. Can you modify instance types associated with existing launch configurations? -Answer- No, you must copy the launch configuration. To use a mixture of spot and on-demand instance types in an Auto Scaling Group, which configuration tool should you use: Launch Configurations, or Launch Templates? -Answer- Launch Templates. Launch Configurations do not support mixed types. What operating system setting is a best practice to set to enable the best network throughput on EC2 instances? -Answer- Increasing the MTU.

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