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The DOP-C01 certification exam covers a wide range of topics, including implementing and managing continuous delivery systems and methodologies, monitoring and logging systems, implementing and managing security and compliance processes, and implementing and managing high-availability and scalable systems. AWS-DevOps-Engineer-Professional exam is designed to test the candidate's knowledge and skills in these areas and their ability to apply DevOps principles and practices to solve real-world problems on the AWS platform.

Amazon AWS-DevOps-Engineer-Professional certification exam is designed for experienced and professional DevOps engineers who are looking to validate their advanced technical skills and knowledge in designing and implementing DevOps practices using AWS technologies. AWS-DevOps-Engineer-Professional Exam is intended for individuals who have a deep understanding of continuous delivery and deployment methodologies, infrastructure as code, automation, monitoring, and logging practices, as well as the ability to implement and manage AWS services for development and production environments.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q415-Q420):

NEW QUESTION # 415
A DevOps engineer is writing an AWS CloudFormation template to stand up a web service that will run on Amazon EC2 instances in a private subnet behind an ELB Application Load Balancer.
The Engineer must ensure that the service can accept requests from clients that have IPv6 addresses. Which configuration items should the Engineer incorporate into the CloudFormation template to allow IPv6 clients to access the web service?

• A. Replace the Application Load Balancer with a Network Load Balancer. Associate an IPv6 CIDR block with the Virtual Private Cloud (VPC) and subnets where the Network Load Balancer lives, and assign the Network Load Balancer an IPv6 Elastic IP address.
• B. Associate an IPv6 CIDR block with the Amazon VPC and subnets where the EC2 instances will live.
  Create route table entries for the IPv6 network, use EC2 instance types that support IPv6, and assign IPv6 addresses to each EC2 instance.
• C. Assign each EC2 instance an IPv6 Elastic IP address. Create a target group and add the EC2 instances as targets. Create a listener on port 443 of the Application Load Balancer, and associate the newly created target group as the default target group.
• D. Create a target group and add the EC2 instances as targets. Create a listener on port 443 of the Application Load Balancer. Associate the newly created target group as the default target group.
  Select a dual stack IP address, and create a rule in the security group that allows inbound traffic from anywhere.

Answer: D

Explanation:
https://aws.amazon.com/about-aws/whats-new/2017/01/announcing-internet-protocol-version-6- ipv6-support-for-elastic-load-balancing-in-amazon-virtual-private-cloud-vpc/

NEW QUESTION # 416
A government agency has multiple AWS accounts, many of which store sensitive citizen information. A Security team wants to detect anomalous account and network activities (such as SSH brute force attacks) in any account and centralize that information in a dedicated security account. Event information should be stored in an Amazon S3 bucket in the security account, which is monitored by the department's Security Information and Even Manager (SIEM) system.
How can this be accomplished?

• A. Enable Amazon Macie in the security account only. Configure the security account as the Macie Administrator for every member account using invitation/acceptance. Create an Amazon CloudWatch Events rule in the security account to send all findings to Amazon Kinesis Data Streams. Write and application using KCL to read data from the Kinesis Data Streams and write to the S3 bucket.
• B. Enable Amazon GuardDuty in the security account only. Configure the security account as the GuardDuty Administrator for every member account using invitation/acceptance. Create an Amazon CloudWatch rule in the security account to send all findings to Amazon Kinesis Data Streams. Write and application using KCL to read data from Kinesis Data Streams and write to the S3 bucket.
• C. Enable Amazon GuardDuty in every account. Configure the security account as the GuardDuty Administrator for every member account using invitation/acceptance. Create an Amazon CloudWatch rule in the security account to send all findings to Amazon Kinesis Data Firehouse, which will push the findings to the S3 bucket.
• D. Enable Amazon Macie in every account. Configure the security account as the Macie Administrator for every member account using invitation/acceptance. Create an Amazon CloudWatch Events rule in the security account to send all findings to Amazon Kinesis Data Firehouse, which should push the findings to the S3 bucket.

Answer: B

NEW QUESTION # 417
A web application is being actively developed by multiple development teams within your organization.
You have created a self-service portal-driven by AWS CloudFormation and the AWS APIs-that allows testers to select a code branch containing a new feature that they want to test.
The portal will then provision an environment and deploy the right branch of code to it.
Recently you have noticed that a large number of environments contain broken builds.
You want to introduce a set of automated browser tests that are executed on a new environment before the environment is available to the tester.
This way a tester does not waste time trying to test new features in a broken environment. Select a suitable way to implement such a feature into the existing self-service portal:

• A. Pass the test scripts to the cfn-init service via the "tests" section of the AWS::CloudFormation::Init metadata.
  Cfn-init will then execute these tests and return the result to the AWS CloudFormation service.
• B. Specify your automated tests in the "tests" section of the AWS CloudFormation template.
  AWS CloudFormation will then execute the tests on your behalf as part of the environment build.
• C. Configure a centralized test server that hosts an automated browser testing framework.
  Include an Amazon SES email resource under the outputs section of your AWS CloudFormation template.
  This we send an email to your centralized test server, informing it that the environment is ready for tests.
• D. Configure a centralized test server that hosts an automated browser testing framework.
  Use an AWS CloudFormation custom resource to notify the centralized test server, via an Amazon SNS topic, that a new environment has been initialized.
  The centralized test server can then execute the tests before sending the results back to the AWS CloudFormation service.

Answer: D

NEW QUESTION # 418
You have ana video processing application hosted in AWS. The video's are uploaded by users onto the site.
You have a program that is custom built to process those videos. The program is able to recover incase there are any failures when processing the videos. Which of the following mechanisms can be used to deploy the instances for carrying out the video processing activities, ensuring that the cost is kept at a minimum.

• A. Create a launch configuration with Spot Instances. Ensure the User Data section details the installation of the custom software. Create an Autoscalinggroupwith the launch configuration.
• B. Create a launch configuration with On-Demand Instances. Ensure the User Data section details the installation of the custom software. Create an Autoscaling group with the launch configuration.
• C. Create a launch configuration with Reserved Instances. Ensure the User Data section details the installation of the custom software. Create an Autoscalinggroup with the launch configuration.
• D. Create a launch configuration with Dedicated Instances. Ensure the User Data section details the installation of the custom software. Create an Autoscaling group with the launch configuration.

Answer: A

Explanation:
Explanation
Since the application can recover from failures and cost is the priority, then Spot instances are the best bet for this requirement. The launch configuration has the facility to request for Spot Instances.
The below snapshot from the Launch configuration section shows that Spot Instances can be used for AutoScaling Groups.

For more information on Spot Instances and Autoscaling, please visit the below URL:
* http://docs