AMAZON AWS-DEVOPS-ENGINEER-PROFESSIONAL PRACTICE TEST IN DESKTOP FORMAT

Amazon AWS-DevOps-Engineer-Professional Practice Test In Desktop Format

Amazon AWS-DevOps-Engineer-Professional Practice Test In Desktop Format

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Amazon AWS-DevOps-Engineer-Professional Exam is designed for IT professionals who want to demonstrate their expertise in deploying, operating, and managing applications on the AWS platform using DevOps principles and practices. AWS Certified DevOps Engineer - Professional certification exam validates a candidate's technical skills and knowledge of AWS services, DevOps methodologies, and automation tools. It is an advanced-level exam that requires candidates to have hands-on experience in designing, deploying, and maintaining AWS-based applications and infrastructure.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q488-Q493):

NEW QUESTION # 488
A popular e-commerce application runs on AWS. The application encounters performance issues. The
database is unable to handle the amount of queries and load during peak times. The database is running on the
RDS Aurora engine on the largest instance size available.
What should an administrator do to improve performance?

  • A. Create one or more read replicas.
  • B. Convert the database to use EBS Provisioned IOPS.
  • C. Convert the database to Amazon Redshift.
  • D. Create a CloudFront distribution.

Answer: B


NEW QUESTION # 489
A company is deploying a container-based application using AWS CodeBuild. The Security team mandates that all containers are scanned for vulnerabilities prior to deployment using a password- protected endpoint. All sensitive information must be stored securely.
Which solution should be used to meet these requirements?

  • A. Use the AWS Encryption SDK to encrypt the password and embed in the buildspec.yml file as a variable under the secrets mapping.
    Attach a policy to CodeBuild to enable access to the required decryption key.
  • B. Store the password in the AWS Systems Manager Parameter Store as a secure string.
    Add the Parameter Store key to the buildspec.yml file as an environment variable under the parameter-store mapping.
    Reference the environment variable to initiate scanning.
  • C. Encrypt the password using AWS KMS.
    Store the encrypted password in the buildspec.yml file as an environment variable under the variables mapping.
    Reference the environment variable to initiate scanning.
  • D. Import the password into an AWS CloudHSM key.
    Reference the CloudHSM key in the buildpec.yml file as an environment variable under the variables mapping.
    Reference the environment variable to initiate scanning.

Answer: A


NEW QUESTION # 490
You have a current Clouformation template defines in AWS. You need to change the current alarm threshold defined in the Cloudwatch alarm. How can you achieve this?

  • A. Delete the current cloudformation template. Create a new one which will update the current resources.
  • B. Update the template and then update the stack with the new template. Only those resources that need to be changed will be changed. All other resources which do not need to be changed will remain as they are.
  • C. Currently, there is no option to change what is already defined in Cloudformation templates.
    B- Update the template and then update the stack with the new template. Automatically all resources will be changed in the stack.

Answer: A

Explanation:
Explanation
Option A is incorrect because Cloudformation templates have the option to update resources.
Option B is incorrect because only those resources that need to be changed as part of the stack update are actually updated.
Option D is incorrect because deleting the stack is not the ideal option when you already have a change option available.
When you need to make changes to a stack's settings or change its resources, you update the stack instead of deleting it and creating a new stack. For example, if you have a stack with an EC2 instance, you can update the stack to change the instance's AMI ID.
When you update a stack, you submit changes, such as new input parameter values or an updated template.
AWS CloudFormation compares the changes you submit with the current state of your stack and updates only the changed resources For more information on stack updates please refer to the below link:
* http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/using-cfn-updating-stacks.htmI


NEW QUESTION # 491
As part of your deployment pipeline, you want to enable automated testing of your AWS CloudFormation
template. What testing should be performed to enable faster feedback while minimizing costs and risk? Select
three answers from the options given below

  • A. Usethe AWS CloudFormation Validate Template to validate the properties ofresources defined in the
    template.
  • B. Validatethe AWS CloudFormation template against the official XSD scheme definitionpublished by
    Amazon Web Services.
  • C. Updatethe stack with the template. If the template fails rollback will return thestack and its resources to
    exactly the same state.
  • D. When creating the stack, specify an Amazon SNS topic to which your testing system is subscribed. Your
    testing system runs tests when it receives notification that the stack is created or updated.
  • E. Validatethe template's is syntax using a generalJSON parser.
  • F. Usethe AWS CloudFormation Validate Template to validate the syntax of the template

Answer: C,D,F

Explanation:
Explanation
The AWS documentation mentions the following
The aws cloudformation validate-template command is designed to check only the syntax of your template. It
does not ensure that the property values that you have specified for a resource are valid for that resource. Nor
does it determine the number of resources that will exist when the stack is created.
To check the operational validity, you need to attempt to create the stack. There is no sandbox or test area for
AWS Cloud Formation stacks, so you are charged for the resources you create during testing.
Option F is needed for notification.
For more information on Cloudformation template validation, please visit the link:
* http://docs.aws.a
mazon.com/AWSCIoudFormation/latest/UserGuide/using-cfn-va I idate-template.htm I


NEW QUESTION # 492
Your development team is using an Elastic beanstalk environment. After a week, the environment was torn down and a new one was created. When the development team tried to access the data on the older environment, it was not available. Why is this the case?

  • A. Thisis because the underlying EC2 Instances are created with IOPS volumes andcannot be accessed once the environment has been terminated.
  • B. Thisis because the underlying EC2 Instances are created with no persistent localstorage
  • C. Thisis because before the environment termination, Elastic beanstalk copies thedata to DynamoDB, and hence the data is not present in the EBS volumes
  • D. Thisis because the underlying EC2 Instances are created with encrypted storage andcannot be accessed once the environment has been terminated.

Answer: B

Explanation:
Explanation
The AWS documentation mentions the following
Clastic Beanstalk applications run on Amazon CC2 instances that have no persistent local storage. When the Amazon CC2 instances terminate, the local file system is not saved, and new Amazon CC2 instances start with a default file system. You should design your application to store data in a persistent data source.
For more information on Elastic beanstalk design concepts, please refer to the below link:
* http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/concepts.concepts.design.html


NEW QUESTION # 493
......

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