DOP-C01AWS Certified DevOps Engineer - Professional (DOP-C01)
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DOP-C01 Online Practice Questions and Answers
A company must ensure consistent behavior of an application running on Amazon Linux in its corporate ecosystem before moving into AWS. The company has an existing automated server build system using VMware. The goal is to
demonstrate the functionality of the application and its prerequisites on the new target operating system.
The DevOps Engineer needs to use the existing corporate server pipeline and virtualization software to create a server image. The server image will be tested on-premises to resemble the build on Amazon EC2 as closely as possible.
How can this be accomplished?
A. Download and integrate the latest ISO of CentOS 7 and execute the application deployment on the resulting server.
B. Launch an Amazon Linux AMI using an AWS OpsWorks deployment agent onto the on-premises infrastructure, then execute the application deployment.
C. Build an EC2 instance with the latest Amazon Linux operating system, and use the AWS Import/Export service to export the EC2 image to a VMware ISO in Amazon S3. Then import the resulting ISO onto the on-premises system.
D. Download and integrate the latest ISO of Amazon Linux 2 and execute the application deployment on the resulting server. Confirm that operating system testing results are consistent with EC2 operating system behavior.
A company wants to use Amazon DynamoDB for maintaining metadata on its forums. See the sample data set in the image below.
A DevOps Engineer is required to define the table schema with the partition key, the sort key, the local secondary index, projected attributes, and fetch operations. The schema should support the following example searches using the least provisioned read capacity units to minimize cost. -Search within ForumName for items where the subject starts with `a'. -Search forums within the given LastPostDateTime time frame. -Return the thread value where LastPostDateTime is within the last three months.
Which schema meets the requirements?
A. Use Subject as the primary key and ForumName as the sort key. Have LSI with LastPostDateTime as the sort key and fetch operations for thread.
B. Use ForumName as the primary key and Subject as the sort key. Have LSI with LastPostDateTime as the sort key and the projected attribute thread.
C. Use ForumName as the primary key and Subject as the sort key. Have LSI with Thread as the sort key and the projected attribute LastPostDateTime.
D. Use Subject as the primary key and ForumName as the sort key. Have LSI with Thread as the sort key and fetch operations for LastPostDateTime.
You have been asked to use your departments existing continuous Integration (CI) tool to test a three-tier web architecture defined In an AWS CloudFormation template. The tool already supports AWS APIs and can launch new AWS CloudFormation stacks after polling version control. The CI tool reports on the success of the AWS CloudFormation stack creation by using the Describe Stacks API to look for the CREATE COMPLETE status. The architecture tiers defined in the template consist of:
-One load balancer
-Five Amazon EC2 instances running the web application
-One multi-AZ Amazon ROS instance
How would you implement this? (Choose two.)
A. Define a WaitCondition and a WaitConditionHandle for the output of a UserData command that does sanity checking of the application's post-install state.
B. Define a CustomResource and write a script that runs architecture-level Integration tests through the load balancer to the application and database for the state of multiple tiers.
C. Define a WaitCondition and use a WaitConditionHandle that leverages the AWS SDK to run the DescribeStacks API call until the CREATE COMPLETE status is returned.
D. Define a CustomResource that leverages the AWS SDK to run the DescribeStacks API call until the 'CREATE COMPLETE status is returned.
E. Define a UserDataHandle for the output of a UserData command that does sanity checking of the application's post-install state and runs integration tests on the state of multiple tiers through the load balancer to the application.
F. Define a UserDataHandle for the output of a CustomResource that does sanity checking of the application's post-install state.
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Amazon DOP-C01 exam official information: The AWS Certified DevOps Engineer - Professional showcases individuals’ technical expertise in provisioning, operating, and managing distributed application systems on the AWS platform, giving them increased confidence and credibility with peers, stakeholders, and customers.
