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AWS-DevOps-Engineer-Professional New Dumps Questions | AWS-DevOps-Engineer-Professional Valid Practice Questions

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The AWS Certified DevOps Engineer - Professional (DOP-C01) certification exam is designed to test an individual's technical expertise in deploying, managing, and operating applications on the AWS platform. AWS Certified DevOps Engineer - Professional certification is intended for professionals who have experience in DevOps practices and are looking to validate their skills with AWS technologies. It is also suitable for individuals who have already earned their AWS Certified Developer or AWS Certified SysOps Administrator certifications.

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The AWS Certified DevOps Engineer Professional (DOP-C01) exam is a highly sought-after certification for experienced DevOps professionals looking to validate their knowledge and skills in deploying, managing, and operating highly available, fault-tolerant, and scalable systems on the AWS platform. AWS Certified DevOps Engineer - Professional certification is designed to test candidates' proficiency in deploying and managing continuous delivery systems and methodologies on AWS, as well as their ability to implement and manage automation technologies and tools that enable secure and reliable infrastructure deployments.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q446-Q451):

NEW QUESTION # 446
In which Docker Swarm model does the swarm manager distribute a specific number of replica tasks among the nodes based upon the scale you set in the desired state?

A. distributed services
B. global services
C. scaled services
D. replicated services

Answer: D

Explanation:
A service is the definition of the tasks to execute on the worker nodes. It is the central structure of the swarm system and the primary root of user interaction with the swarm. When you create a service, you specify which container image to use and which commands to execute inside running containers.
In the replicated services model, the swarm manager distributes a specific number of replica tasks among the nodes based upon the scale you set in the desired state. For global services, the swarm runs one task for the service on every available node in the cluster.
A task carries a Docker container and the commands to run inside the container. It is the atomic scheduling unit of swarm. Manager nodes assign tasks to worker nodes according to the number of replicas set in the service scale. Once a task is assigned to a node, it cannot move to another node. It can only run on the assigned node or fail.
Reference: https://docs.docker.com/engine/swarm/key-concepts/#services-and-tasks

NEW QUESTION # 447
You are writing an AWS Cloud Formation template and you want to assign values to properties that will not be available until runtime. You know that you can use intrinsic functions to do this but are unsure as to which part of the template they can be used in. Which of the following is correct in describing how you can currently use intrinsic functions in an AWS CloudFormation template?

A. Youcan use intrinsic functions only in the resource properties part of a template.
B. Youcanuse intrinsic functions in any part of a template, exceptAWSTemplateFormatVersion and Description.
C. Youcan use intrinsic functions in any part of a template.
D. Youcan only use intrinsic functions in specific parts of a template. You can useintrinsic functions in resource properties, metadata attributes, and updatepolicy attributes.

Answer: D

Explanation:
Explanation
This is clearly given in the aws documentation.
Intrinsic Function Reference
AWS Cloud Formation provides several built-in functions that help you manage your stacks. Use intrinsic functions in your templates to assign values to properties that are not available until runtime.
Note
You can use intrinsic functions only in specific parts of a template. Currently, you can use intrinsic functions in resource properties, outputs, metadata attributes, and update policy attributes. You can also use intrinsic functions to conditionally create stack resources.
For more information on intrinsic function please refer to the below link
* https://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/intrinsic-function-reference,html

NEW QUESTION # 448
An ecommerce company is receiving reports that its order history page is experiencing delays in reflecting the processing status of orders. The order processing system consists of an AWS Lambda function using reserved concurrency. The Lambda function processes order messages from an Amazon SQS queue and inserts processed orders into an Amazon DynamoDB table. The DynamoDB table has Auto Scaling enabled for read and write capacity.
Which actions will diagnose and resolve the delay? (Select TWO.)

A. Check the Throttles metric for the Lambda function and increase the Lambda function timeout.
B. Check the NumberOfMessagesSent metric for the SQS queue and increase the SQS queue visibility timeout.
C. Check the ApproximateAgeOfOldestMessage metric for the SQS queue and increase the Lambda function concurrency limit.
D. Check the ApproximateAgeOfOldestMessage metric for the SQS queue and configure a redrive policy on the SQS queue.
E. Check the ThrottledWriteRequests metric for the DynamoDB table and increase the maximum write capacity units for the table's Auto Scaling policy.

Answer: C,D

NEW QUESTION # 449
You set up a scalable continuous integration platform on AWS.
The platform consists of a master node that can delegate project build jobs to multiple slave nodes, all running on Amazon EC2.
The build output will be stored in Amazon S3.
You always have five slave nodes deployed. Each slave node can handle 10 build jobs simultaneously.
Your master node publishes a custom Amazon CloudWatch metric with the name
"RunningBuildiobs" that Slows you to programmatically track how many build jobs are running across your platform.
Which two configuration options will allow you to flexibly scale your platform to support more than
50 simultaneous build jobs while minimizing costs? Choose 2 answers

A. Place your fleet of slave nodes in an Auto Scaling group.
Configure a CloudWatch alarm that triggers an Auto Scaling policy to launch Amazon EC2 Instances when "RunningBuildJobs" is greater than 45 for more than five minutes.
B. Run your fleet of slave nodes in an Auto Scaling group.
Configure a Cloudwatch alarm that launches new Amazon EC2 Dedicated Instances when
"RunningBuildJobs" is less than 40 for more than five minutes.
C. Configure your fleet of slave nodes to fully utilize all of your purchased Amazon EC2 Heavy Utilization Reserved Instances.
Configure a CloudWatch alarm that launches new Amazon EC2 instances when
"RunningBuildJobs" is less than 40 for more than five minutes.
D. Configure a CloudWatch alarm that sends an alert when "RunningBuildJobs" is greater than 45 for more than five minutes.
Use Amazon Simple Queue Service to process additional build jobs when the CloudWatch alarm is triggered.
E. Place your fleet of slave nodes in an Auto Scaling group.
Configure a CloudWatch alarm that triggers an Auto Scaling policy to terminate Amazon EC2 instances when "RunningBuildJobs" is less than 40 for more than five minutes.

Answer: A,E

NEW QUESTION # 450
A DevOps Engineer is responsible for the deployment of a PHP application. The Engineer is working in a hybrid deployment, with the application running on both on-premises servers and Amazon EC2 instances. The application needs access to a database containing highly confidential information. Application instances need access to database credentials, which must be encrypted at rest and in transit before reaching the instances.
How should the Engineer automate the deployment process while also meeting the security requirements?

A. Use AWS CodeDeploy to deploy application packages to the instances. Store database credentials on AWS Systems Manager Parameter Store using the Secure String data type. Define an IAM policy for allowing access, and decrypt only the database credentials. Attach the IAM policy to the role associated to the instance profile for CodeDeploy-managed instances, and to the role used for on-premises instances registration on CodeDeploy.
B. Use AWS CodeDeploy to deploy application packages to the instances. Store database credentials on AWS Systems Manager Parameter Store using the Secure String data type. Define an IAM role with an attached policy that allows decryption of the database credentials. Associate this role to all the instances and on-premises servers.
C. Use AWS CodeDeploy to deploy application packages to the instances. Store database credentials in the AppSpec file. Define an IAM policy for allowing access to only the database credentials. Attach the IAM policy to the role associated to the instance profile for CodeDeploy-managed instances and the role used for on-premises instances registration on CodeDeploy
D. Use AWS Elastic Beanstalk with a PHP platform configuration to deploy application packages to the instances. Store database credentials on AWS Systems Manager Parameter Store using the Secure String data type. Define an IAM role for Amazon EC2 allowing access, and decrypt only the database credentials. Associate this role to all the instances.

Answer: B

NEW QUESTION # 451
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