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100% Pass Quiz 2025 Amazon - AWS-DevOps-Engineer-Professional - AWS Certified DevOps Engineer - Professional Study Reference

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The AWS-DevOps certification exam is a challenging test that requires a solid understanding of AWS services and best practices. Candidates must demonstrate their ability to design and implement solutions that meet customer requirements while also adhering to industry standards and best practices. AWS-DevOps-Engineer-Professional Exam is designed to test both practical skills and theoretical knowledge, so candidates must be prepared to demonstrate their ability to apply their knowledge to real-world scenarios.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q77-Q82):

NEW QUESTION # 77
A DevOps Engineer is designing a deployment strategy for a web application. The application will use an Auto Scaling group to launch Amazon EC2 instances using an AMI. The same infrastructure will be deployed in multiple environments (development, test, and quality assurance). The deployment strategy should meet the following requirements:
- Minimize the startup time for the instance
- Allow the same AMI to work in multiple environments
- Store secrets for multiple environments securely
How should this be accomplished?

A. Use a standard AMI from the AWS Marketplace. Configure Auto Scaling to detect the current environment. Install the software using a script in Amazon EC2 user data. Use AWS Secrets Manager to store the credentials for all environments.
B. Preconfigure the AMI by installing all the software using AWS Systems Manager automation and configure Auto Scaling to tag the instances at launch with their specific environment. Then use a bootstrap script in user data to read the tags and configure settings for the environment. Use the AWS Systems Manager Parameter Store to store the secrets using AWS KMS.
C. Preconfigure the AMI using an AWS Lambda function that launches an Amazon EC2 instance, and then runs a script to install the software and create the AMI. Configure an Auto Scaling lifecycle hook to determine which environment the instance is launched in, and, based on that finding, run a configuration script. Save the secrets on an .ini file and store them in Amazon S3. Retrieve the secrets using a configuration script in EC2 user data.
D. Preconfigure the AMI by installing all the software and configuration for all environments.
Configure Auto Scaling to tag the instances at launch with their environment. Use the Amazon EC2 user data to trigger an AWS Lambda function that reads the instance ID and then reconfigures the setting for the proper environment. Use the AWS Systems Manager Parameter Store to store the secrets using AWS KMS.

Answer: C

NEW QUESTION # 78
Which of the following items are required to allow an application deployed on an EC2 instance to write data to a DynamoDB table? Assume that no security keys are allowed to be stored on the EC2 instance. Choose 2 answers from the options below

A. CreateanlAM Role that allows write access to the DynamoDB table.
B. AddanlAMRoleto a running EC2 instance.
C. Createan 1AM Userthat allows write access to the DynamoDB table.
D. AddanlAMUserto a running EC2 instance.

Answer: A,B

Explanation:
Explanation
The AWS documentation mentions the following
We designed I AM roles so that your applications can securely make API requests from your instances, without requiring you to manage the security credentials that the applications use. Instead of creating and distributing your AWS credentials, you can delegate permission to make API requests using 1AM roles For more information on 1AM Roles, please refer to the below URL:
* http://docs.aws.amazon.com/AWSCC2/latest/UserGuide/iam-roles-for-amazon-ec2.htmI

NEW QUESTION # 79
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 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.
C. 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.
D. 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.

Answer: A

NEW QUESTION # 80
You are in charge of designing Cloudformation templates for your company. One of the key requirements is to ensure that if a Cloudformation stack is deleted, a snapshot of the relational database is created which is part of the stack. How can you achieve this in the best possible way?

A. Create a new cloudformation template to create a snapshot of the relational database.
B. Create a snapshot of the relational database beforehand so that when the cloudformation stack is deleted, the snapshot of the database will be present.
C. Use the Update policy of the cloudformation template to ensure a snapshot is created of the relational database.
D. Use the Deletion policy of the cloudformation template to ensure a snapshot is created of the relational database.

Answer: D

Explanation:
Explanation
The AWS documentation mentions the following
With the Deletion Policy attribute you can preserve or (in some cases) backup a resource when its stack is deleted. You specify a DeletionPolicy attribute for each resource that you want to control. If a resource has no DeletionPolicy attribute, AWS Cloud Formation deletes the resource by default. Note that this capability also applies to update operations that lead to resources being removed.
For more information on the Deletion policy, please visit the below URL:
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/aws-attri bute-deletionpolicy.html

NEW QUESTION # 81
You have a web application that's developed in Node.js The code is hosted in Git repository. You want to now
deploy this application to AWS. Which of the below 2 options can fulfil this requirement.

A. Create an AWS CloudFormation template which creates an instance with the AWS::EC2::lnstance
resource type and an AMI with Docker pre-installed. With UserData, install Git to download the Node.js
application and then set it up.
B. Create a Docker file to install Node.js. and gets the code from Git. Use the Dockerfile to perform the
deployment on a new AWS Elastic Beanstalk application. S
C. Create an Elastic Beanstalk application. Create a Docker file to install Node.js. Get the code from Git.
Use the command "aws git.push" to deploy the application
D. Create an AWS CloudFormation template which creates an instance with the AWS::EC2::Container
resources type. With UserData, install Git to download the Node.js application and then set it up.

Answer: A,B

Explanation:
Explanation
Option A is invalid because there is no "awsgitpush" command
Option B is invalid because there is no AWS::CC2::Container resource type.
Clastic Beanstalk supports the deployment of web applications from Docker containers. With Docker
containers, you can define your own runtime environment. You
can choose your own platform, programming language, and any application dependencies (such as package
managers or tools), that aren't supported by other
platforms. Docker containers are self-contained and include all the configuration information and software
your web application requires to run.
For more information on Docker and Clastic beanstalk please refer to the below link:
http://docs.aws.a
mazon.com/elasticbeanstalk/latest/dg/create_deploy_docker.html
When you launch an instance in Amazon CC2, you have the option of passing user data to the instance that
can be used to perform common automated configuration tasks and even run scripts after the instance starts.
You can pass two types of user data to Amazon CC2: shell scripts and cloud-init directives. You can also pass
this data into the launch wizard as plain text, as a file (this is useful for launching instances using the
command line tools), or as base64-encoded text (for API calls). For more information on Cc2 User data please
refer to the below link:
* http://docs.aws.a
mazon.com/AWSCC2/latest/UserGuide/user-data. htm I
Note: "git aws.push" with CB CLI 2.x - see a forum thread at
https://forums.aws.amazon.com/thread.jspa7messageID=583202#jive-message-582979. Basically, this is a
predecessor to the newer "eb deploy" command in CB CLI 31. This question kept in order to be consistent
with exam.

NEW QUESTION # 82
......

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