DOP-C02AWS Certified DevOps Engineer - Professional
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You have an application which consists of EC2 instances in an Auto Scaling group. Between a particular time frame every day, there is an increase in traffic to your website. Hence users are complaining of a poor response time on the
application. You have configured your Auto Scaling group to deploy one new EC2 instance when CPU utilization is greater than 60% for 2 consecutive periods of 5 minutes.
What is the least cost-effective way to resolve this problem?
A. Decrease the consecutive number of collection periods
B. Increase the minimum number of instances in the Auto Scaling group
C. Decrease the collection period to ten minutes
D. Decrease the threshold CPU utilization percentage at which to deploy a new instance
A DevOps engineer is currently running a container-based workload on-premises The engineer wants to move the application to AWS, but needs to keep the on-premises solution active because not all APIs will move at the same time. The
traffic between AWS and the on-premises network should be secure and encrypted at all times. Low management overload is also a requirement.
Which combination of actions will meet these criteria? (Select THREE.)
A. Create a Network Load Balancer and. for each service, create a listener that points to the correct set of containers either in AWS or on-premises.
B. Create an Application Load Balancer and, for each service, create a listener that points to the correct set of containers either in AWS or on-premises.
C. Host the AWS containers in Amazon ECS with an EC2 launch type.
D. Host the AWS containers in Amazon ECS with a Fargate launch type.
E. Use Amazon API Gateway to front the workload, and create a VPC link so API Gateway can forward API calls to the on-premises network through a VPN connection.
F. Use Amazon API Gateway to front the workload, and set up public endpoints for the onpremises APIs so API Gateway can access them.
A developer is maintaining a fleet of 50 Amazon EC2 Linux servers. The servers are part of an Amazon EC2 Auto Scaling group, and also use Elastic Load Balancing for load balancing.
Occasionally, some application servers are being terminated after failing ELB HTTP health checks. The developer would like to perform a root cause analysis on the issue, but before being able to access application logs, the server is terminated.
How can log collection be automated?
A. Use Auto Scaling lifecycle hooks to put instances in a Pending:Wait state. Create an Amazon CloudWatch alarm for EC2 Instance Terminate Successful and trigger an AWS Lambda function that invokes an SSM Run Command script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.
B. Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an AWS Config rule for EC2 Instance-terminate Lifecycle Action and trigger a step function that invokes a script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.
C. Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an Amazon CloudWatch subscription filter for EC2 Instance Terminate Successful and trigger a CloudWatch agent that invokes a script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.
D. Use Auto Scaling lifecycle hooks to put instances in a Terminating:Wait state. Create an Amazon EventBridge rule for EC2 Instance-terminate Lifecycle Action and trigger an AWS Lambda function that invokes an SSM Run Command script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.
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Amazon DOP-C02 exam official information: To earn this certification, you’ll need to take and pass the AWS Certified DevOps Engineer - Professional exam (DOP-C02). The exam features a combination of two question formats: multiple choice and multiple response. Additional information, such as the exam content outline and passing score, is in the exam guide.
