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AWS-DevOps Updated Dumps - AWS-DevOps Exam Format

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AWS-DevOps Exam Format | Online AWS-DevOps Version

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The Amazon AWS-DevOps Exam covers a wide range of topics related to DevOps engineering on the AWS platform, including continuous delivery and deployment, monitoring and logging, security, and scalability. Candidates will be tested on their ability to design and implement DevOps practices, automate and optimize processes, and utilize AWS services to build and maintain highly available and scalable systems.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q352-Q357):

NEW QUESTION # 352
Your team wants to begin practicing continuous delivery using CloudFormation, to enable automated builds and deploys of whole, versioned stacks or stack layers.
You have a 3-tier, mission-critical system.
Which of the following is NOT a best practice for using CloudFormation in a continuous delivery environment?

A. Use CloudFormation to create brand new infrastructure for all stateless resources on each push, and run integration tests on that set of infrastructure.
B. Parametrize the template and use <code>Mappings</code> to ensure your template works in multiple Regions.
C. Use the AWS CloudFormation <code>ValidateTemplate</code> call before publishing changes to AWS.
D. Model your stack in one template, so you can leverage CloudFormation's state management and dependency resolution to propagate all changes.

Answer: D

Explanation:
Putting all resources in one stack is a bad idea, since different tiers have different life cycles and frequencies of change. For additional guidance about organizing your stacks, you can use two common frameworks: a multi-layered architecture and service-oriented architecture (SOA).
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/best-
practices.html#organizingstack s

NEW QUESTION # 353
A rapidly growing company wants to scale for Developer demand for AWS development environments. Development environments are created manually in the AWS Management Console. The Networking team uses AWS CloudFormation to manage the networking infrastructure, exporting stack output values for the Amazon VPC and all subnets. The development environments have common standards, such as Application Load Balancers, Amazon EC2 Auto Scaling groups, security groups, and Amazon DynamoDB tables. To keep up with the demand, the DevOps Engineer wants to automate the creation of development environments. Because the infrastructure required to support the application is expected to grow, there must be a way to easily update the deployed infrastructure. CloudFormation will be used to create a template for the development environments. Which approach will meet these requirements and quickly provide consistent AWS environments for Developers?

A. Use Fn:ImportValue intrinsic functions in the Parameters section of the master template to retrieve Virtual Private Cloud (VPC) and subnet values. Define the development resources in the order they need to be created in the CloudFormation nested stacks. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.
B. Use nested stacks to define common infrastructure components. Use Fn::ImportValue intrinsic functions with the resources of the nested stack to retrieve Virtual Private Cloud (VPC) and subnet values. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.
C. Use nested stacks to define common infrastructure components. To access the exported values, use TemplateURL to reference the Networking team's template. To retrieve Virtual Private Cloud (VPC) and subnet values, use Fn::ImportValue intrinsic functions in the Parameters section of the master template. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.
D. Use Fn:ImportValue intrinsic functions in the Resources section of the template to retrieve Virtual Private Cloud (VPC) and subnet values. Use CloudFormation StackSets for the development environments, using the Count input parameter to indicate the number of environments needed. use the command to update existing development environments. UpdateStackSet

Answer: D

NEW QUESTION # 354
Which of the following services can be used to detect the application health in a Blue Green deployment in A
WS.

A. AWSCode Commit
B. AWSCIoudwatch
C. AWSCIoudTrail
D. AWSCode Pipeline

Answer: B

Explanation:
Explanation
The AWS Documentation mentions the following
Amazon Cloud Watch is a monitoring sen/ice for AWS Cloud resources and the applications you run on
AWS.9 CloudWatch can collect and track metrics, collect and monitor log files, and set alarms. It provides
system-wide visibility into resource utilization, application performance, and operational health, which are key
to early detection of application health in blue/green deployments.
For more information on Blue Green deployments, please refer to the below link:
* https://dOawsstatic.com/whitepapers/AWS_Blue_Green_Deployments.pdf

NEW QUESTION # 355
A company has developed a Node.js web application which provides REST services to store and retrieve time series dat a. The web application is built by the Development team on company laptops, tested locally, and manually deployed to a single on-premises server, which accesses a local MySQL database. The company is starting a trial in two weeks, during which the application will undergo frequent updates based on customer feedback. The following requirements must be met: *The team must be able to reliably build, test, and deploy new updates on a daily basis, without downtime or degraded performance. *The application must be able to scale to meet an unpredictable number of concurrent users during the trial. Which action will allow the team to quickly meet these objectives?

A. Configure AWS Elastic Beanstalk to automatically build the application using AWS CodeBuild and to deploy it to a test environment that is configured to support auto scaling. Create a second Elastic Beanstalk environment for production. Use Amazon RDS to store data. When new versions of the applications have passed all tests, use Elastic Beanstalk "swap cname' to promote the test environment to production.
B. Create two Amazon Lightsail virtual private servers for Node.js; one for test and one for production. Build the Node.js application using existing process and upload it to the new Lightsail test server using the AWS CLI. Test the application, and if it passes all tests, upload it to the production server. During the trial, monitor the production server usage, and if needed, increase performance by upgrading the instance type.
C. Modify the application to use Amazon DynamoDB instead of a local MySQL database. Use AWS OpsWorks to create a stack for the application with a DynamoDB layer, an Application Load Balancer layer, and an Amazon EC2 instance layer. Use a Chef recipe to build the application and a Chef recipe to deploy the application to the EC2 instance layer. Use custom health checks to run unit tests on each instance with rollback on failure.
D. Develop an AWS CloudFormation template to create an Application Load Balancer and two Amazon EC2 instances with Amazon EBS (SSD) volumes in an Auto Scaling group with rolling updates enabled. Use AWS CodeBuild to build and test the Node.js application and store it in an Amazon S3 bucket. Use user- data scripts to install the application and the MySQL database on each EC2 instance. Update the stack to deploy new application versions.

Answer: A

NEW QUESTION # 356
An ecommerce company is running an application on AWS. The company wants to create a standby disaster recovery solution in an additional Region that keeps the current application code. The application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an EC2 Auto Scaling group across multiple Availability Zones. The database layer is hosted on an Amazon RDS MySQL Multi-AZ DB instance. Amazon Route 53 DNS records point to the ALB.
Which combination of actions will meet these requirements with the LOWEST cost? (Select THREE.)

A. Configure a failover routing policy for the application DNS entry.
B. Provision the ALB and Auto Scaling group in the new standby Region and set the desired capacity to 1.
C. Configure a geolocation routing policy for the application DNS entry.
D. Provision the ALB and Auto Scaling group in the new standby Region and set the desired capacity to match the active Region.
E. Migrate the database layer to Amazon DynamoDB and enable global replication to the new standby Region.
F. Create a cross-Region RDS read replica in the new standby Region.

Answer: A,E,F

NEW QUESTION # 357
......

AWS-DevOps Exam Format: https://www.pass4training.com/AWS-DevOps-pass-exam-training.html

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