VALID AWS-DEVOPS TEST CRAM & AWS-DEVOPS PASS GUIDE

Valid AWS-DevOps Test Cram & AWS-DevOps Pass Guide

Valid AWS-DevOps Test Cram & AWS-DevOps Pass Guide

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Tags: Valid AWS-DevOps Test Cram, AWS-DevOps Pass Guide, Hottest AWS-DevOps Certification, AWS-DevOps Clearer Explanation, AWS-DevOps New Exam Braindumps

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q137-Q142):

NEW QUESTION # 137
Which of the following is the right sequence of initial steps in the deployment of application revisions using
Code Deploy
1) Specify deployment configuration
2) Upload revision
3) Create application
4) Specify deployment group

  • A. 3,4,2 and 1
  • B. 3, 2, 1 and 4
  • C. 3,1,2 and 4
  • D. 3,4,1 and 2

Answer: D

Explanation:
Explanation
The below diagram from the AWS documentation shows the deployment steps

For more information on the deployment steps please refer to the below link:
* http://docs.aws.amazon.com/codedeploy/latest/userguide/de
ployment-steps.html


NEW QUESTION # 138
An application is deployed on Amazon EC2 instances running in an Auto Scaling group. During the bootstrapping process, the instances register their private IP addresses with a monitoring system. The monitoring system performs health checks frequently by sending ping requests to those IP addresses and sending alerts if an instance becomes non-responsive.
The existing deployment strategy replaces the current EC2 instances with new ones. A DevOps Engineer has noticed that the monitoring system is sending false alarms during a deployment, and is tasked with stopping these false alarms.
Which solution will meet these requirements without affecting the current deployment method?

  • A. Define an Amazon CloudWatch Events target, an AWS Lambda function, and a lifecycle hook attached to the Auto Scaling group.
    Configure CloudWatch Events to invoke the Lambda function, which removes the entry of the private IP from the monitoring system upon instance termination.
  • B. Define an AWS Lambda function that will run a script when instance termination occurs in an Auto Scaling group.
    The script will remove the entry of the private IP from the monitoring system.
  • C. Define an AWS Lambda function and a lifecycle hook attached to the Auto Scaling group.
    Configure the lifecycle hook to invoke the Lambda function, which removes the entry of the private IP from the monitoring system upon instance termination.
  • D. Define an Amazon CloudWatch Events target, an AWS Lambda function, and a lifecycle hook attached to the Auto Scaling group.
    Configure CloudWatch Events to invoke Amazon SNS to send a message to the Systems Administrator group for remediation.

Answer: A

Explanation:
https://aws.amazon.com/blogs/compute/using-aws-lambda-with-auto-scaling-lifecycle-hooks/


NEW QUESTION # 139
A DevOps Engineer is designing a deployment strategy for a web application. The application will use an Auto Scaling group to launch Amazon EC2 instances using an AMI. The same infrastructure will be deployed in multiple environments (development, test, and quality assurance). The deployment strategy should meet the following requirements:
- Minimize the startup time for the instance
- Allow the same AMI to work in multiple environments
- Store secrets for multiple environments securely
How should this be accomplished?

  • A. Use a standard AMI from the AWS Marketplace. Configure Auto Scaling to detect the current environment. Install the software using a script in Amazon EC2 user data. Use AWS Secrets Manager to store the credentials for all environments.
  • B. Preconfigure the AMI by installing all the software and configuration for all environments.
    Configure Auto Scaling to tag the instances at launch with their environment. Use the Amazon EC2 user data to trigger an AWS Lambda function that reads the instance ID and then reconfigures the setting for the proper environment. Use the AWS Systems Manager Parameter Store to store the secrets using AWS KMS.
  • C. Preconfigure the AMI using an AWS Lambda function that launches an Amazon EC2 instance, and then runs a script to install the software and create the AMI. Configure an Auto Scaling lifecycle hook to determine which environment the instance is launched in, and, based on that finding, run a configuration script. Save the secrets on an .ini file and store them in Amazon S3.
    Retrieve the secrets using a configuration script in EC2 user data.
  • D. Preconfigure the AMI by installing all the software using AWS Systems Manager automation and configure Auto Scaling to tag the instances at launch with their specific environment. Then use a bootstrap script in user data to read the tags and configure settings for the environment. Use the AWS Systems Manager Parameter Store to store the secrets using AWS KMS.

Answer: D


NEW QUESTION # 140
You are a Devops Engineer and are designing an Opswork stack in AWS. The company has some custom recipes that are part of their on-premise Chef configuration. These same recipes need to be run whenever an instance is launched in Opsworks. Which of the following steps need to be carried out to to ensure this requirement gets fulfilled. Choose 2 answers from the options given below

  • A. Ensurethe recipe is placed as part of the Setup Lifecycle event as part of the Layersetting.
  • B. Ensurethe custom cookbooks option is set in Opswork stack.
  • C. Ensurethe recipe is placed as part of the Setup Lifecycle event as part of the Stacksetting.
  • D. Ensurethe custom cookbooks option is set in Opswork layer.

Answer: A,B

Explanation:
Explanation
The AWS Documentation mentions the below
Each layer has a set of built-in recipes assigned to each lifecycle event, although some layers lack Undeploy recipes. When a lifecycle event occurs on an instance, AWS OpsWorks Stacks runs the appropriate set of recipes for the associated layer.
The below diagram shows a snapshot in the stack settings where you can enable custom cookbooks

For more information on automating recipe's, please visit the below URL:
http://docs.aws.amazon.com/opsworks/latest/userguide/workingcookbook-assigningcustom.html


NEW QUESTION # 141
Which of the following is NOT an advantage of Docker's content addressable storage model?

  • A. improved security
  • B. guarantees data integrity after push, pull, load, and save operations
  • C. avoids content ID collisions
  • D. random UUIDs improve filesystem performance

Answer: D

Explanation:
Docker 1.10 introduced a new content addressable storage model. This is a completely new way to address image and layer data on disk. Previously, image and layer data was referenced and stored using a randomly generated UUID. In the new model this is replaced by a secure content hash.
The new model improves security, provides a built-in way to avoid ID collisions, and guarantees data integrity after pull, push, load, and save operations. It also enables better sharing of layers by allowing many images to freely share their layers even if they didn't come from the same build.
Reference:
https://docs.docker.com/engine/userguide/storagedriver/imagesandcontainers/#content- addressable-storage


NEW QUESTION # 142
......

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