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AWS-DevOps Valid Test Book - AWS-DevOps Pdf Version

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Amazon DOP-C01 certification exam covers a broad range of topics, including continuous integration and delivery (CI/CD), infrastructure as code (IaC), monitoring and logging, security, and compliance. To earn this certification, candidates must pass a rigorous exam that includes multiple-choice and multiple-response questions, as well as scenario-based questions that test their ability to apply DevOps best practices and AWS services to real-world scenarios.

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What Test Can Get You This Professional-Level Certificate?

This certification requires examinees to get the passing score in the AWS DOP-C01 exam. The vendor doesn't have any prerequisites that make the candidates eligible for this test. However, it recommends that the examinees should have prior experience if they want to pass such an exam without stress. For example, they would better have at least 2 years of hands-on experience in managing and operating AWS environments. Another recommendation would be that candidates have prior experience in developing code concepts for at least one high-level programming language. Candidates will also increase their chances to pass DOP-C01 test if they have experience in building automated infrastructures. Amazon also recommends that examinees should have knowledge of administering operating systems. Finally, the vendor mentions in the exam blueprint that the candidates should have a deep understanding of modern operations and development processes.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q18-Q23):

NEW QUESTION # 18
You were just hired as a DevOps Engineer for a startup. Your startup uses AWS for 100% of their infrastructure. They currently have no automation at all for deployment, and they have had many failures while trying to deploy to production.The company has told you deployment process risk mitigation is the most important thing now, and you have a lot of budget for tools and AWS resources.
Their stack includes a 2-tier API with data stored in DynamoDB or S3, depending on type. The Compute layer is EC2 in Auto Scaling Groups. They use Route53 for DNS pointing to an ELB. An ELB balances load across the EC2 instances. The scaling group properly varies between 4 and 12 EC2 servers. Which of the following approaches, given this company's stack and their priorities, best meets the company's needs?

A. Model the stack in 1 CloudFormation template, to ensure consistency and dependency graph resolution.
Write deployment and integration testingautomation following Rolling Deployment methodologies.
B. Model the stack in AWS Elastic Beanstalk as a single Application with multiple Environments. Use Elastic Beanstalk's Rolling Deploy option to progressively roll out application code changes when promoting across environments.
B- Model the stack in three CloudFormation templates: Data layer, compute layer, and networking layer.
Write stack deployment and integration testing automation following Blue-Green methodologies. *>/
C. Model the stack in AWS OpsWorks as a single Stack, with 1 compute layer and its associated ELB. Use Chef and App Deployments to automate Rolling Deployment.

Answer: C

Explanation:
Explanation
Here you are using 2 of the best practices for deployment, one is Blue Green Deployments and the other is using Nested Cloudformation stacks.
The AWS Documentation mentions the below on nested stacks
As your infrastructure grows, common patterns can emerge in which you declare the same components in each of your templates. You can separate out these common components and create dedicated templates for them. That way, you can mix and match different templates but use nested stacks to create a single, unified stack. Nested stacks are stacks that create other stacks. To create nested stacks, use the AWS::CloudFormation::Stackresource in your template to reference other templates.
For more information on Cloudformation best practises, please visit the link:
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/best-practices.
html For more information on Blue Green Deployment, please visit the link:
* https://dOawsstatic.com/whitepapers/AWS_Blue_Green_Deployments.pdf

NEW QUESTION # 19
Of the 6 available sections on a Cloud Formation template (Template Description Declaration, Template
Format Version Declaration, Parameters, Resources, Mappings, Outputs), which is the only one required for a
CloudFormation template to be accepted? Choose an answer from the options below

A. Resources
B. Template Declaration
C. Parameters
D. Mappings

Answer: A

Explanation:
Explanation
If you refer to the documentation, you will see that Resources is the only mandatory field
Specifies the stack resources and their properties, such as an Amazon Elastic Compute Cloud instance or an
Amazon Simple Storage Service bucket.
For more information on cloudformation templates, please refer to the below link:
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/template-anatomy.html

NEW QUESTION # 20
A DevOps Engineer is reviewing a system that uses Amazon EC2 instances in an Auto Scaling group. This system uses a configuration management tool that runs locally on each EC2 instance. Because of the volatility of the application load, new instances must be fully functional within 3 minutes of entering a running state.
Current setup tasks include:
* Installing the configuration management agent - 2 minutes
* Installing the application framework - 15 minutes
* Copying configuration data from Amazon S3 - 2 minutes
* Running the configuration management agent to configure instances - 1 minute
* Deploying the application code from Amazon S3 - 2 minutes
How should the Engineer set up system so it meets the launch time requirement?

A. Build a custom AMI that includes the configuration management agent and application framework.
Write a bootstrap script to pull configuration data from Amazon S3, run the agent to configure the instance, and deploy the application from S3.
B. Trigger an AWS Lambda function from an Amazon CloudWatch Events rule when a new EC2 instance launches. Have the function install the configuration management agent and the application framework, pull configuration data from Amazon S3, run the agent to configure the instance, and deploy the application from S3.
C. Write a bootstrap script to install the configuration management agent, install and the application framework, pull configuration data from Amazon S3, run the agent to configure the instance, and deploy the application from S3.
D. Build a custom AMI that includes the configuration management agent, application framework, and configuration data. Write a bootstrap script to run the agent to configure the instance and deploy the application from Amazon S3.

Answer: D

NEW QUESTION # 21
If your application performs operations or workflows that take a long time to complete, what service can the Elastic Beanstalk environment do for you?

A. Manages a Amazon SNS Topic and running a daemon process on each instance
B. Manages the ELB and running a daemon process on each instance
C. Manages Lambda functions and running a daemon process on each instance
D. Manages a Amazon SQS queue and running a daemon process on each instance

Answer: D

Explanation:
Explanation
Elastic Beanstalk simplifies this process by managing the Amazon SQS queue and running a daemon process on each instance that reads from the queue for you.
When
the daemon pulls an item from the queue, it sends an HTTP POST request locally to http://localhost/ with the contents of the queue message in the body. All that your application needs to do is perform the long-running task in response to the POST.
For more information Elastic Beanstalk managing worker environments, please visit the below URL:
http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/using-features-managing-env-tiers.htm I

NEW QUESTION # 22
A production account has a requirement that any Amazon EC2 instance that has been logged into manually must be terminated within 24 hours. All applications in the production account are using Auto Scaling groups with Amazon CloudWatch Logs agent configured.
How can this process be automated?

A. Create a CloudWatch Logs subscription in an AWS Lambda function. Configure the function to add a tag to the EC2 instance that produced the login event and mark the instance to be decommissioned. Create a CloudWatch Events rule to trigger a daily Lambda function that terminates all instances with this tag.
B. Create a CloudWatch alarm that will trigger on the login event. Send the notification to an Amazon SNS topic that the Operations team is subscribed to, and have them terminate the EC2 instance within 24 hours.
C. Create a CloudWatch Logs subscription to an AWS Step Functions application. Configure the function to add a tag to the EC2 instance that produced the login event and mark the instance to be decommissioned.
Then create a CloudWatch Events rule to trigger a second AWS Lambda function once a day that will terminate all instances with this tag.
D. Create a CloudWatch alarm that will trigger on the login event. Configure the alarm to send to an Amazon SQS queue. Use a group of worker instances to process messages from the queue, which then schedules the Amazon CloudWatch Events rule to trigger.

Answer: A

NEW QUESTION # 23
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