100% Pass Quiz 2025 Amazon Pass-Sure AWS-DevOps: AWS Certified DevOps Engineer - Professional Question Explanations

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The AWS DevOps Engineer – Professional certification is intended for developers, DevOps engineers, or anyone who is already working in a team that handles AWS software infrastructure.

The AWS-DevOps Certification Exam is designed to test your skills and knowledge in DevOps practices and AWS services. AWS Certified DevOps Engineer - Professional certification is ideal for professionals who are experienced in DevOps practices and want to demonstrate their skills in managing and deploying applications on Amazon Web Services (AWS) platform. The AWS-DevOps Certification Exam is one of the most sought-after certifications in the industry, and it can help you advance your career as a DevOps professional.

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100% Pass Quiz 2025 Amazon AWS-DevOps: AWS Certified DevOps Engineer - Professional Updated Question Explanations

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q388-Q393):

NEW QUESTION # 388
A company is using AWS Organizations and wants to implement a governance strategy with the following requirements:
- AWS resource access is restricted to the same two Regions for all
accounts.
- AWS services are limited to a specific group of authorized services
for all accounts.
- Authentication is provided by Active Directory.
- Access permissions are organized by job function and are identical in each account.
Which solution will meet these requirements?

A. Establish a service control policy in the master account to restrict Regions and authorized services.
Use CloudFormation StackSet to provision roles with permissions for each job function, including an IAM trust policy for IAM identity provider authentication in each account.
B. Establish a service control policy in the master account to restrict Regions and authorized services.
Use AWS Resource Access Manager to share master account roles with permissions for each job function, including AWS SSO for authentication in each account.
C. Establish a permission boundary in the master account to restrict Regions and authorized services.
Use AWS CloudFormation StackSet to provision roles with permissions for each job function, including an IAM trust policy for IAM identity provider authentication in each account.
D. Establish an organizational unit (OU) with group policies in the master account to restrict Regions and authorized services.
Use AWS Cloud Formation StackSets to provision roles with permissions for each job function, including an IAM trust policy for IAM identity provider authentication in each account.

Answer: A

NEW QUESTION # 389
What is the maximum supported single-volume throughput on EBS?

A. 320MiB/s
B. 160MiB/s
C. 640MiB/s
D. 40MiB/s

Answer: A

Explanation:
The ceiling throughput for PIOPS on EBS is 320MiB/s.
Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html

NEW QUESTION # 390
You are using Elastic Beanstalk to manage your e-commerce store. The store is based on an open source e- commerce platform and is deployed across multiple instances in an Auto Scaling group. Your development team often creates new "extensions" for the e-commerce store.
These extensions include PHP source code as well as an SQL upgrade script used to make any necessary updates to the database schema.
You have noticed that some extension deployments fail due to an error when running the SQL upgrade script. After further investigation, you realize that this is because the SQL script is being executed on all of your Amazon EC2 instances.
How would you ensure that the SQL script is only executed once per deployment regardless of how many Amazon EC2 instances are running at the time?

A. Use a "Container command" within an Elastic Beanstalk configuration file to execute the script, ensuring that the "leader only" flag is set to true.
B. Make use of the Amazon EC2 metadata service to query whether the instance is marked as the leader" in the Auto Scaling group.
Only execute the script if "true" is returned.
C. Use a "Solo Command" within an Elastic Beanstalk configuration file to execute the script.
The Elastic Beanstalk service will ensure that the command is only executed once.
D. Update the Amazon RDS security group to only allow write access from a single instance in the Auto Scaling group; that way, only one instance will successfully execute the script on the database.

Answer: A

NEW QUESTION # 391
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 threshold CPU utilization percentage at which to deploy a new instance
B. Decrease the consecutive number of collection periods
C. Increase the minimum number of instances in the Auto Scaling group
D. Decrease the collection period to ten minutes

Answer: C

Explanation:
If you increase the minimum number of instances, then they will be running even though the load is not high on the website. Hence you are incurring cost even though there is no need. All of the remaining options are possible options which can be used to increase the number of instances on a high load.
For more information on On-demand scaling, please refer to the below link:
http://docs.aws.amazon.com/autoscaling/latest/userguide/as-scale-based-on-demand. html Note: The tricky part where the question is asking for 'least cost effective way". You got the design consideration correctly but need to be careful on how the question is phrased.

NEW QUESTION # 392
When building a Docker image, you are searching through a persistent data volume's logs to provide parameters for the next build. You execute the following command. Which of the operations will cause a failure of the Docker RUNcommand? RUN cat ./data/log/*.error | grep service_status | grep ERROR

A. the second grep command
B. the cat command
C. the first grep command
D. any one of them

Answer: A

Explanation:
Some RUN commands depend on the ability to pipe the output of one command into another, using the pipe character (|), as in the following example:
RUN wget -O - https://some.site | wc -l > /number
Docker executes these commands using the /bin/sh -c interpreter, which only evaluates the exit code of the last operation in the pipe to determine success. In the example above this build step succeeds and produces a new image so long as the wc -lcommand succeeds, even if the wget command fails.
Reference:
https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#run

NEW QUESTION # 393
......

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100% Pass Quiz 2025 Amazon Pass-Sure AWS-DevOps: AWS Certified DevOps Engineer - Professional Question Explanations

100% Pass Quiz 2025 Amazon AWS-DevOps: AWS Certified DevOps Engineer - Professional Updated Question Explanations

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q388-Q393):

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