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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q10-Q15):
NEW QUESTION # 10
An IT department manages a portfolio with Windows and Linux (Amazon and Red Hat Enterprise Linux) servers both on-premises and on AWS. An audit reveals that there is no process for updating OS and core application patches, and that the servers have inconsistent patch levels. Which of the following provides the MOST reliable and consistent mechanism for updating and maintaining all servers at the recent OS and core application patch levels?
- A. Use AWS Systems Manager Parameter Store to securely store credentials for each Linux and Windows server. Create Systems Manager Resource Groups. Use the Systems Manager Run Command to remotely deploy patch updates using the credentials in Systems Manager Parameter Store
- B. Install AWS Systems Manager agent on all on-premises and AWS servers. Create Systems Manager Resource Groups. Use Systems Manager Patch Manager with a preconfigured patch baseline to run scheduled patch updates during maintenance windows.
- C. Install the AWS OpsWorks agent on all on-premises and AWS servers. Create an OpsWorks stack with separate layers for each operating system, and get a recipe from the Chef supermarket to run the patch commands for each layer during maintenance windows.
- D. Use a shell script to install the latest OS patches on the Linux servers using yum and schedule it to run automatically using cron. Use Windows Update to automatically patch Windows servers.
Answer: B
Explanation:
1- https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-patch-patchgroups.html 2- https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-patch.html
NEW QUESTION # 11
A DevOps Engineer is building a continuous deployment pipeline for a serverless application using AWS CodePipeline and AWS CodeBuild. The source, build, and test stages have been created with the deploy stage remaining. The company wants to reduce the risk of an unsuccessful deployment by deploying to a specified subset of customers and monitoring prior to a full release to all customers.
How should the deploy stage be configured to meet these requirements?
- A. Use CodeBuild to use the AWS CLI to update the AWS Lambda function code, then publish a new version of the function and update the production alias to point to the new version of the function.
- B. Use AWS CloudFormation to define the serverless application and AWS CodeDeploy to deploy the AWS Lambda functions using DeploymentPreference: Canary10Percentl5Minutes.
- C. Use AWS CloudFormation to publish a new version on every stack update. Use the RoutingConfig property of the AWS : :Lambda: : Alias resource to update the traffic routing during the stack update.
- D. Use AWS CloudFormation to publish a new version on every stack update. Then set up a CodePipeline approval action for a Developer to test and approve the new version. Finally, use a CodePipeline invoke action to update an AWS Lambda function to use the production alias
Answer: D
NEW QUESTION # 12
A company wants to create standard templates for deployment of their Infrastructure. Which AWS service can be used in this regard? Please choose one option.
- A. AWSOpsWorks
- B. AWSCIoudFormation
- C. AmazonSimple Workflow Service
- D. AWSEIastic Beanstalk
Answer: B
Explanation:
Explanation
AWS Cloud Formation gives developers and systems administrators an easy way to create and manage a collection of related AWS resources, provisioning and updating them in an orderly and predictable fashion.
You can use AWS Cloud Formation's sample templates or create your own templates to describe the AWS resources, and any associated dependencies or runtime parameters, required to run your application. You don't need to figure out the order for provisioning AWS services or the subtleties of making those dependencies work. Cloud Formation takes care of this for you. After the AWS resources are deployed, you can modify and update them in a controlled and predictable way, in effect applying version control to your AWS infrastructure the same way you do with your software. You can also visualize your templates as diagrams and edit them using a drag-and-drop interface with the AWS CloudFormation Designer.
For more information on Cloudformation, please visit the link:
* https://aws.amazon.com/cloudformation/
NEW QUESTION # 13
What is the scope of AWS IAM?
- A. Availability Zone
- B. Placement Group
- C. Global
- D. Region
Answer: C
Explanation:
IAM resources are all global; there is not regional constraint.
Reference:
https://aws.amazon.com/iam/faqs/
NEW QUESTION # 14
The operations team and the development team want a single place to view both operating system and application logs. How should you implement this using A WS services? Choose two from the options below
- A. Using AWS CloudFormation, create a Cloud Watch Logs LogGroup and send the operating system and application logs of interest using the Cloud Watch Logs Agent.
- B. Using AWS CloudFormation and configuration management, set up remote logging to send events via UDP packets to CloudTrail.
- C. Using AWS CloudFormation, merge the application logs with the operating system logs, and use 1AM Roles to allow both teams to have access to view console output from Amazon EC2.
- D. Using configuration management, set up remote logging to send events to Amazon Kinesis and insert these into Amazon CloudSearch or Amazon Redshift, depending on available analytic tools.
Answer: A,D
Explanation:
Explanation
Option B is invalid because Cloudtrail is not designed specifically to take in UDP packets Option D is invalid because there are already Cloudwatch logs available, so there is no need to have specific logs designed for this.
You can use Amazon CloudWatch Logs to monitor, store, and access your log files from Amazon Elastic Compute Cloud (Amazon L~C2) instances, AWS CloudTrail, and other sources. You can then retrieve the associated log data from CloudWatch Logs.
For more information on Cloudwatch logs please refer to the below link:
* http://docs
