You are using lifecycle hooks in your AutoScaling Group. Because there is a lifecycle hook, the instance is put in the Pending:Wait state, which means that it is not available to handle traffic yet. When the instance enters the wait state, other scaling actions are suspended. After some time, the instance state is changed to Pending:Proceed, and finally InService where the instances that are part of the Autoscaling Group can start serving up traffic. But you notice that the bootstrapping process on the instances finish much earlier, long before the state is changed to PendingiProceed.
What can you do to ensure the instances are placed in the right state after the bootstrapping process is complete?

• A.Use the complete-lifecycle-action call to complete the lifecycle action. Run this command from another EC2 Instance.
• B.Use the complete-lifecycle-action call to complete the lifecycle action. Run this command from the Command line interface. -^ C Use the complete-lifecycle-action call to complete the lifecycle action. Run this command from the Simple Notification service.
• C.Use the complete-lifecycle-action call to complete the lifecycle action. Run this command from a SQS queue

Correct Answer: B

Explanation
The AWS Documentation mentions the following
3. If you finish the custom action before the timeout period ends, use the complete-1ifecycle-action command so that the Auto Scalinggroup can continue launching or terminating the instance. You can specify the lifecycle action token, as shown in the following command:
3. If you finish the custom action before the timeout period ends, use the complete-lifecycle-action command so that Auto Scaling can continue launching or terminating the instance. You can specify the lifecycle action token, as shown in the following command:

For more information on lifecycle hooks, please refer to the below URL:
* http://docs.aws.amazon.com/autoscaling/latest/userguide/lifecycle-hooks.html

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When using Amazon SQS how much data can you store in a message?

• A.8 KB
• B.2 KB
• C.16 KB
• D.4 KB

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You are a Devops Engineer and are designing an Opswork stack in AWS. The company has some custom recipes that are part of their on-premise Chef configuration. These same recipes need to be run whenever an instance is launched in Opsworks. Which of the following steps need to be carried out to to ensure this requirement gets fulfilled. Choose 2 answers from the options given below

• A.Ensurethe custom cookbooks option is set in Opswork stack.
• B.Ensurethe custom cookbooks option is set in Opswork layer.
• C.Ensurethe recipe is placed as part of the Setup Lifecycle event as part of the Layersetting.
• D.Ensurethe recipe is placed as part of the Setup Lifecycle event as part of the Stacksetting.

Correct Answer: A,C

Explanation
The AWS Documentation mentions the below
Each layer has a set of built-in recipes assigned to each lifecycle event, although some layers lack Undeploy recipes. When a lifecycle event occurs on an instance, AWS OpsWorks Stacks runs the appropriate set of recipes for the associated layer.
The below diagram shows a snapshot in the stack settings where you can enable custom cookbooks

For more information on automating recipe's, please visit the below URL:
http://docs.aws.amazon.com/opsworks/latest/userguide/workingcookbook-assigningcustom.html

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You have an application hosted in AWS. You wanted to ensure that when certain thresholds are reached, a Devops Engineer is notified. Choose 3 answers from the options given below

• A.Use CloudWatch Logs agent to send log data from the app to CloudWatch Logs from Amazon EC2 instances
• B.Pipe data from EC2 to the application logs using AWS Data Pipeline and CloudWatch
• C.Once a CloudWatch alarm is triggered, use SNS to notify the Senior DevOps Engineer.
• D.Set the threshold your application can tolerate in a CloudWatch Logs group and link a CloudWatch alarm on that threshold.

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Your finance supervisor has set a budget of 2000 USD for the resources in AWS. Which of the following is the simplest way to ensure that you know when this threshold is being reached.

• A.Use Cloudwatch events to notify you when you reach the threshold value
• B.Use the Cloudwatch billing alarm to to notify you when you reach the threshold value
• C.Use Cloudwatch logs to notify you when you reach the threshold value
• D.Use SQS queues to notify you when you reach the threshold value

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