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The DOP-C01 Exam is a professional certification that validates an individual’s expertise in deploying, managing, and operating applications on the AWS platform. AWS Certified DevOps Engineer - Professional certification is intended for professionals who possess a thorough understanding of the DevOps principles and practices, as well as hands-on experience with AWS technologies. The DOP-C01 exam is an excellent way for professionals to demonstrate their expertise in the DevOps field and advance their careers.

Amazon DOP-C01 is a certification exam that validates the skills and knowledge of professionals in the field of DevOps. DOP-C01 exam is designed to test the proficiency of candidates in deploying, managing, and operating highly available, scalable, and fault-tolerant systems on the AWS platform. AWS Certified DevOps Engineer - Professional certification is intended for individuals who have experience working in DevOps and want to demonstrate their expertise in the field.

To prepare for the AWS-DevOps-Engineer-Professional Certification Exam, candidates are recommended to have hands-on experience with AWS services and tools, as well as experience with DevOps practices and methodologies. AWS offers a range of training courses and resources to help candidates prepare for the exam, including online training courses, practice exams, and study guides.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q552-Q557):

NEW QUESTION # 552
You have a set of EC2 instances hosted in AWS. You have created a role named DemoRole and assigned that role to a policy, but you are unable to use that role with an instance. Why is this the case.

A. You won't be able to use that role with an instance unless you also create a usergroup and associate it with that specific role.
B. You need to create an instance profile and associate it with that specific role.
C. You are not able to associate an 1AM role with an instance
C You won't be able to use that role with an instance unless you also create a user and associate it with that specific role

Answer: B

Explanation:
Explanation
An instance profile is a container for an 1AM role that you can use to pass role information to an CC2 instance when the instance starts.
Option B is invalid because you can associate a role with an instance
Option C and D are invalid because using users or user groups is not a pre-requisite For more information on instance profiles, please visit the link:
* http://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2_instance-profiles.htmI

NEW QUESTION # 553
A DevOps team needs to query information in application logs that are generated by an application running multiple Amazon EC2 instances deployed with AWS Elastic Beanstalk.
Instance log streaming to Amazon CloudWatch Logs was enabled on Elastic Beanstalk.
Which approach would be the MOST cost-efficient?

A. Use a CloudWatch Logs subscription to trigger an AWS Lambda function to send the log data to an Amazon Kinesis Data Firehouse stream that has an Amazon S3 bucket destination. Use a new Amazon Redshift cluster and Amazon Redshift Spectrum to query the log data from the bucket.
B. Use a CloudWatch Logs subscription to trigger an AWS Lambda function to send the log data to an Amazon Kinesis Data Firehouse stream that has an Amazon S3 bucket destination. Use Amazon Athena to query the log data from the bucket.
C. Use a CloudWatch Logs subscription to send the log data to an Amazon Kinesis Data Firehouse stream that has an Amazon S3 bucket destination. Use a new Amazon Redshift cluster and Amazon Redshift Spectrum to query the log data from the bucket.
D. Use a CloudWatch Logs subscription to send the log data to an Amazon Kinesis Data Firehouse stream that has an Amazon S3 bucket destination. Use Amazon Athena to query the log data from the bucket.

Answer: B

NEW QUESTION # 554
A Development team is building more than 40 applications. Each app is a three-tiered web application based on an ELB Application Load Balancer, Amazon EC2, and Amazon RDS.
Because the applications will be used internally, the Security team wants to allow access to the
40 applications only from the corporate network and block access from external IP addresses.
The corporate network reaches the internet through proxy servers. The proxy servers have 12 proxy IP addresses that are being changed one or two times per month. The Network Infrastructure team manages the proxy servers; they upload the file that contains the latest proxy IP addresses into an Amazon S3 bucket. The DevOps Engineer must build a solution to ensure that the applications are accessible from the corporate network. Which solution achieves these requirements with MINIMAL impact to application development, MINIMAL operational effort, and the LOWEST infrastructure cost?

A. Implement an AWS Lambda function to read the list of proxy IP addresses from the S3 object and to update the ELB security groups to allow HTTPS only from the given IP addresses. Configure the S3 bucket to invoke the Lambda function when the object is updated. Save the IP address list to the S3 bucket when they are changed.
B. Implement a Python script with the AWS SDK for Python (Bolo), which downloads the S3 object that contains the proxy IP addresses, scans the ELB security groups, and updates them to allow only HTTPS inbound from the given IP addresses. Launch an EC2 instance and store the script in the instance. Use a cron job to execute the script daily.
C. Enable ELB socially groups to allow HTTPS inbound access from the Internet. Use Amazon Cognito to integrate the company's Active Directory as the identity provider. Change the 40 applications to integrate with Amazon Cognito so that only company employees can log into the application. Save the user access logs to Amazon CloudWatch Logs to record user access activities
D. Ensure that all the applications are hosted in the same Virtual Private Cloud (VPC). Otherwise, consolidate the applications into a single VPC. Establish an AWS Direct Connect connection with an active/standby configuration. Change the ELB security groups to allow only inbound HTTPS connections from the corporate network IP addresses.

Answer: D

NEW QUESTION # 555
A company has migrated its container-based applications to Amazon EKS and want to establish automated email notifications. The notifications sent to each email address are for specific activities related to EXS components. The solution will include Amazon SNS topics and an AWS Lambda function to evaluate incoming log events and publish messages to the correct SNS topic.
Which logging solution will support these requirements?

A. Enable Amazon S3 logging for the EKS components. Configure S3 PUT Object event notifications with AWS Lambda as the destination.
B. Enable Amazon CloudWatch Logs to log the EKS components. Create a CloudWatch subscription filter for each component with Lambda as the subscription feed destination.
C. Enable Amazon CloudWatch Logs to log the EKS components. Create CloudWatch Logs Insights queries linked to Amazon CloudWatch Events events that trigger Lambda.
D. Enable Amazon S3 logging for the EKS components. Configure an Amazon CloudWatch subscription filter for each component with Lambda as the subscription feed destination.

Answer: C

NEW QUESTION # 556
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 Terminating: Wait state. Create an Amazon CloudWatch subscription filter for EC2 Instance Terminate Successful and trigger a CloudWatch agent that executes a script to called 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 Pending:Wait state. Create an Amazon CloudWatch Alarm for EC2 Instance Terminate Successful and trigger an AWS Lambda function that executes an SSM Run Command 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 Events rule for EC2 'Instance-terminate Lifecycle Action and trigger an AWS Lambda function that executes a SSM Run Command 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 a Config rule for EC2 Instance-terminate Lifecycle Action and trigger a step function that executes a script to collect logs, push them to Amazon S3, and complete the lifecycle action once logs are collected.

Answer: C

Explanation:
https://docs.aws.amazon.com/autoscaling/ec2/userguide/lifecycle-hooks.html

NEW QUESTION # 557
......

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