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DOP-C01通過考試 - DOP-C01測試

隨著社會的發展，現在Amazon行業得到了人們的青睞，也有越來越多的人們想考取Amazon方面的資格認證證書，在事業上更進一步。這個時候你應該想到的是Testpdf網站，它是你DOP-C01考試合格的好幫手。Testpdf的強大考古題是DOP-C01技術專家們多年來總結出來的經驗和結果，站在這些前人的肩膀上，會讓你離成功更進一步。

Amazon DOP-C01 認證考試是為有豐富 DevOps 工程師經驗，想要在 AWS 平台展示其 DevOps 實踐和技術專業的人士而設計。這項認證為全球雇主所認可，可以幫助專業人士在 DevOps 領域中推進其職業生涯。要獲得此認證，候選人必須通過涵蓋 CI/CD、IaC、監視和日誌記錄、安全性和合規性等廣泛主題的嚴格考試。通過恰當的準備和實踐經驗，專業人士可以通過 Amazon DOP-C01 認證考試，提升其 DevOps 職業生涯。

>> DOP-C01通過考試 <<

DOP-C01測試 & DOP-C01題庫更新資訊

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最新的 AWS Certified DevOps Engineer DOP-C01 免費考試真題 (Q120-Q125):

問題 #120
A gaming company adopted AWS Cloud Formation to automate load-testing of theirgames. They have created
an AWS Cloud Formation template for each gaming environment and one for the load-testing stack. The
load-testing stack creates an Amazon Relational Database Service (RDS) Postgres database and two web
servers running on Amazon Elastic Compute Cloud (EC2) that send HTTP requests, measure response times,
and write the results into the database. A test run usually takes between 15 and 30 minutes. Once the tests are
done, the AWS Cloud Formation stacks are torn down immediately. The test results written to the Amazon
RDS database must remain accessible for visualization and analysis.
Select possible solutions that allow access to the test results after the AWS Cloud Formation load -testing
stack is deleted.
Choose 2 answers.

A. Defineautomated backups with a backup retention period of 30 days for the Amazon RDSdatabase and
perform point-in-time recovery of the database after the AWS CloudFormation stack is deleted.
B. Define an update policy to prevent deletionof the Amazon RDS database after the AWS Cloud
Formation stack is deleted.
C. Define an Amazon RDS Read-Replica in theload-testing AWS Cloud Formation stack and define a
dependency relation betweenmaster and replica via the Depends On attribute.
D. Define a deletion policy of type Snapshotfor the Amazon RDS resource to assure that the RDS database
can be restoredafter the AWS Cloud Formation stack is deleted.
E. Define a deletion policy of type Retain forthe Amazon RDS resource to assure that the RDS database is
not deleted with theAWS Cloud Formation stack.

答案：D,E

解題說明：
Explanation
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.
To keep a resource when its stack is deleted, specify Retain for that resource. You can use retain for any
resource. For example, you can retain a nested stack, S3
bucket, or CC2 instance so that you can continue to use or modify those resources after you delete their stacks.
For more information on Deletion policy, please visit the below url
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/aws-attri
bute-deletionpolicy.html

問題 #121
A DevOps Engineer has several legacy applications that all generate different log formats. The Engineer must standardize the formats before writing them to Amazon S3 for querying and analysis.
How can this requirement be met at the LOWEST cost?

A. Use Amazon Kinesis Agent on each server to upload the logs and have Amazon Kinesis Data Firehose use an AWS Lambda function to normalize the logs before writing them to Amazon S3
B. Have the application send its logs to an Amazon EMR cluster and normalize the logs before sending them to Amazon S3
C. Keep the logs in Amazon S3 and use Amazon Redshift Spectrum to normalize the logs in place
D. Have the application send its logs to Amazon QuickSight, then use the Amazon QuickSight SPICE engine to normalize the logs. Do the analysis directly from Amazon QuickSight

答案：A

問題 #122
What is a circular dependency in AWS CloudFormation?

A. When Nested Stacks depend on each other.
B. When a Template references a region, which references the original Template.
C. When Resources form a DependOn loop.
D. When a Template references an earlier version of itself.

答案：C

解題說明：
To resolve a dependency error, add a DependsOn attribute to resources that depend on other resources in your template. In some cases, you must explicitly declare dependencies so that AWS CloudFormation can create or delete resources in the correct order. For example, if you create an Elastic IP and a VPC with an Internet gateway in the same stack, the Elastic IP must depend on the Internet gateway attachment. For additional information, see DependsOn Attribute.
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/troubleshooting.html#trouble shootin g-errors-dependence-error

問題 #123
You have implemented a system to automate deployments of your configuration and application dynamically after an Amazon EC2 instance in an Auto Scaling group is launched. Your system uses a configuration management tool that works in a standalone configuration, where there is no master node. Due to the volatility of application load, new instances must be brought into service within three minutes of the launch of the instance operating system. The deployment stages take the following times to complete:
1) Installing configuration management agent: 2mins
2) Configuring instance using artifacts: 4mins
3) Installing application framework: 15mins
4) Deploying application code: 1min
What process should you use to automate the deployment using this type of standalone agent configuration?

A. Builda custom Amazon Machine Image that includes the configuration management agentand application framework pre-installed.
Configure your Auto Scaling launchconfiguration with an Amazon EC2 UserData script to pull configurationartifacts and application code from an Amazon S3 bucket, and then execute theagent to configure the system.
B. Configureyour Auto Scaling launch configuration with an Amazon EC2 UserData script toinstall the agent, pull configuration artifacts and application code from anAmazon S3 bucket, and then execute the agent to configure the infrastructureand application.
C. Builda custom Amazon Machine Image that includes all components pre-installed,including an agent, configuration artifacts, application frameworks, and code.Create a startup script that executes the agent to configure the system onstartup. *t
D. Createa web service that polls the Amazon EC2 API to check for new instances that arelaunched in an Auto Scaling group. When it recognizes a new instance, execute aremote script via SSH to install the agent, SCP the configuration artifacts andapplication code, and finally execute the agent to configure the system

答案：C

解題說明：
Explanation
Since the new instances need to be brought up in 3 minutes, hence the best option is to pre-bake all the components into an AMI. If you try to user the User Data option, it will just take time, based on the time mentioned in the question to install and configure the various components.
For more information on AMI design please see the below link:
* https://aws.amazon.com/answers/configuration-management/aws-ami-design/

問題 #124
A company has developed a static website hosted on an Amazon S3 bucket. The website is deployed using AWS CloudFormation. The CloudFormation template defines an S3 bucket and a custom resource that copies content into the bucket from a source location. The company has decided that it needs to move the website to a new location, so the existing CloudFormation stack must be deleted and re-created. However, CloudFormation reports that the stack could not be deleted cleanly.
What is the MOST likely cause and how can the DevOps Engineer mitigate this problem for this and future versions of the website?

A. Deletion has failed because the S3 bucket has an active website configuration. Modify the CloudFormation template to remove the Website Configuration properly from the S3 bucket resource.
B. Deletion has failed because the S3 bucket is not empty. Modify the S3 bucket resource in the CloudFormation template to add a DeletionPolicy property with a value of Empty.
C. Deletion has failed because the S3 bucket is not empty. Modify the custom resource's AWS Lambda function code to recursively empty the bucket when RequestType is Delete.
D. Deletion has failed because the custom resource does not define a deletion policy. Add a DeletionPolicy property to the custom resource definition with a value of RemoveOnDeletion.

答案：C

解題說明：
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-s3- bucket.html

問題 #125
......

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