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Free PDF Quiz 2025 Amazon AWS-DevOps: AWS Certified DevOps Engineer - Professional Fantastic Valid Test Registration

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The AWS-DevOps Certification Exam covers a broad range of topics, including continuous delivery and deployment, infrastructure as code, monitoring and logging, security, and compliance. Candidates are expected to have a strong understanding of AWS services such as EC2, S3, RDS, CloudFormation, CodePipeline, and CodeDeploy. They should also be familiar with DevOps tools and practices, such as Jenkins, Git, Docker, and Kubernetes, and have experience working in a DevOps environment.

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The AWS Certified DevOps Engineer - Professional certification is designed for professionals who have already obtained the AWS Certified Developer - Associate or AWS Certified SysOps Administrator - Associate certification. AWS Certified DevOps Engineer - Professional certification exam is intended for DevOps engineers, software developers, and IT professionals who are responsible for designing, deploying, and managing the DevOps lifecycle in AWS environments.

Amazon DOP-C01 (AWS Certified DevOps Engineer - Professional) certification exam is designed for professionals who are seeking to validate their expertise in the field of DevOps. AWS Certified DevOps Engineer - Professional certification is intended for individuals who have experience in developing, deploying, and maintaining applications on the AWS platform using DevOps practices and principles. The DOP-C01 exam measures an individual's ability to design, implement, and manage continuous delivery systems and methodologies on AWS.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q372-Q377):

NEW QUESTION # 372
You need your CI to build AMIs with code pre-installed on the images on every new code push. You need
to do this as cheaply as possible. How do you do this?

A. When the CI instance receives commits, attach a new EBS volume to the CI machine. Perform all
setup on this EBS volume so you don't need a new EC2 instance to create the AMI.
B. Bid on spot instances just above the asking price as soon as new commits come in, perform all
instance configuration and setup, then create an AMI based on the spot instance.
C. Purchase a Light Utilization Reserved Instance to save money on the continuous integration machine.
Use these credits whenever your create AMIs on instances.
D. Have the CI launch a new on-demand EC2 instance when new commits come in, perform all instance
configuration and setup, then create an AMI based on the on-demand instance.

Answer: B

Explanation:
Spot instances are the cheapest option, and you can use minimum run duration if your AMI takes more
than a few minutes to create.
Spot instances are also available to run for a predefined duration - in hourly increments up to six hours in
length - at a significant discount (30-45%) compared to On-Demand pricing plus an additional 5% during
off-peak times1 for a total of up to 50% savings.
Reference: https://aws.amazon.com/ec2/spot/pricing/

NEW QUESTION # 373
A company is migrating an application to AWS that runs on a single Amazon EC2 instance. Because of licensing limitations, the application does not support horizontal scaling. The application will be using Amazon Aurora for its database.
How can the DevOps Engineer architect automated healing to automatically recover from EC2 and Aurora failures, in addition to recovering across Availability Zones (AZs), in the MOST cost-effective manner?

A. Create an Amazon CloudWatch Events rule to trigger an AWS Lambda function to start a new EC2 instance in an available AZ when the instance status reaches a failure state. Create an Aurora database with a read replica in a second AZ, and promote it to a primary database instance when the primary database instance fails.
B. Create an EC2 Auto Scaling group with a minimum and maximum instance count of 1, and have it span across AZs. Use a single-node Aurora instance.
C. Assign an Elastic IP address on the instance. Create a second EC2 instance in a second AZ. Create an Amazon CloudWatch Events rule to trigger an AWS Lambda function to move the Elastic IP address to the second instance when the first instance fails. Use a single-node Aurora instance.
D. Create an EC2 instance and enable instance recovery. Create an Aurora database with a read replica in a second AZ, and promote it to a primary database instance if the primary database instance fails.

Answer: A

NEW QUESTION # 374
You are a DevOps engineer for a company. You have been requested to create a rolling deployment solution that is cost-effective with minimal downtime. How should you achieve this? Choose two answers from the options below

A. Re-deploy your application using a CloudFormation template to deploy Elastic Beanstalk
B. Re-deploy with a CloudFormation template, define update policies on Auto Scalinggroups in your CloudFormation template
C. Use UpdatePolicy attribute to specify how CloudFormation handles updates to Auto Scaling Group resource.
D. After each stack is deployed, tear down the old stack

Answer: B,C

Explanation:
Explanation
The AWS::AutoScaling::AutoScalingGroup resource supports an UpdatePolicy attribute. This is used to define how an Auto Scalinggroup resource is updated when an update to the Cloud Formation stack occurs. A common approach to updating an Auto Scaling group is to perform a rolling update, which is done by specifying the AutoScalingRollingUpdate policy. This retains the same Auto Scalinggroup and replaces old instances with new ones, according to the parameters specified.
Option A is invalid because it is not efficient to use Cloudformation to use Clastic Beanstalk.
Option D is invalid because this is an inefficient process to tear down stacks when there are stack policies available For more information on Autoscaling Rolling Updates please refer to the below link:
* https://aws.amazon.com/premiumsupport/knowledge-center/auto-scaling-group-rolling-updates/

NEW QUESTION # 375
Which of the following Cloudformation helper scripts can help install packages on EC2 resources

A. cfn-init
B. cfn-get-metadata
C. cfn-signal
D. cfn-hup

Answer: A

Explanation:
Explanation
The AWS Documentation mentions
Currently, AWS CloudFormation provides the following helpers:
cf n-init: Used to retrieve and interpret the resource metadata, installing packages, creating files and starting
services.
cf n-signal: A simple wrapper to signal an AWS CloudFormation CreationPolicy or WaitCondition, enabling
you to synchronize other resources in the stack with the application being ready.
cf n-get-metadata: A wrapper script making it easy to retrieve either all metadata defined for a resource or path
to a specific key or subtree of the resource metadata.
cf
n-hup: A daemon to check for updates to metadata and execute custom hooks when the changes are detected.
For more information on helper scripts, please visit the below URL: http://docs.aws.a
mazon.com/AWSCIoudFormation/latest/UserGuide/cfn-helper-scri pts-reference.htm I

NEW QUESTION # 376
You are a Devops engineer for your company. The company hosts a web application that is hosted on a single EC2 Instance. The end users are complaining of slow response times for the application. Which of the following can be used to effectively scale the application?

A. UseCloudformation to deploy the app again with an Amazon RDS with the Multi-AZfeature.
B. UseAutoscaling Groups to launch multiple instances and place them behind an ELB.
C. UseAutoscaling launch configurations to launch multiple instances and place thembehing an ELB.
D. UseAmazonRDS with the Multi-AZ feature.

Answer: B

Explanation:
Explanation
The AWS Documentation mentions the below
When you use Auto Scaling, you can automatically increase the size of your Auto Scalinggroup when demand goes up and decrease it when demand goes down. As Auto Scaling adds and removes CC2 instances, you must ensure that the traffic for your application is distributed across all of your CC2 instances. The Clastic Load Balancing service automatically routes incoming web traffic across such a dynamically changing number of L~C2 instances. Your load balancer acts as a single point of contact for all incoming traffic to the instances in your Auto Scalinggroup.
For more information on Autoscaling and ELB, please refer to the below link:
* http://docs.aws.a
mazon.com/autoscaling/latest/userguide/autosca I ing-load-balancer.html

NEW QUESTION # 377
......

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