NEWEST AMAZON DOP-C01 PRACTICE QUESTIONS IN PDF FORMAT FOR QUICK PREPARATION

Newest Amazon DOP-C01 Practice Questions in PDF Format for Quick Preparation

Newest Amazon DOP-C01 Practice Questions in PDF Format for Quick Preparation

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The AWS Certified DevOps Engineer - Professional exam covers a wide range of topics, including deployment automation, monitoring, logging, and performance optimization. It also includes topics related to security, compliance, and governance. DOP-C01 Exam is designed to validate a candidate's ability to design, deploy, and manage scalable and fault-tolerant systems on AWS.

The AWS Certified DevOps Engineer - Professional (DOP-C01) exam is designed for professionals who have experience in DevOps practices and have a deep understanding of AWS services and how they can be integrated into a DevOps environment. AWS Certified DevOps Engineer - Professional certification validates the candidate’s ability to design, deploy, and manage a DevOps environment on AWS using best practices and automation techniques.

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AWS DOP-C01 Exam Certification Details:

Recommended Training / BooksDevOps Engineering on AWS
Exam NameAWS DevOps Engineer Professional (AWS-DevOps)
Sample QuestionsAWS DOP-C01 Sample Questions
Number of Questions75

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q123-Q128):

NEW QUESTION # 123
A DevOps Engineer administers an application that manages video files for a video production company. The application runs on Amazon EC2 instances behind an ELB Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. Data is stored in an Amazon RDS PostgreSOL Multi-AZ DB instance, and the video ides are stored in an Amazon S3 bucket. On a typical day 50 GB of new video are added to the S3 bucket. The Engineer must implement a multi-region disaster recovery plan with the least data loss and the lowest recovery times. The current application infrastructure is already described using AWS CloudFormation.
Which deployment option should the Engineer choose to meet the uptime and recovery objectives for the system?

  • A. Use Amazon CloudWatch Events to schedule a nightly task to take a snapshot of the database and copy the snapshot to the second region. Create an AWS Lambda function that copies each object to a new S3 bucket in the second region in response to S3 event notifications. In the second region, launch the application from the CloudFormation template and restore the database from the most recent snapshot.
  • B. Launch the application from the CloudFormation template in the second region which sets the capacity of the Auto Scaling group to 1. Use Amazon CloudWatch Events to schedule a nightly task to take a snapshot of the database, copy the snapshot to the second region, and replace the DB instance in the second region from the snapshot. In the second region, enable cross-region replication between the original S3 bucket and a new S3 bucket. To fail over, increase the capacity of the Auto Scaling group.
  • C. Launch the application from the CloudFormation template in the second region, which sets the capacity of the Auto Scaling group to 1. Create an Amazon RDS read replica in the second region. In the second region, enable cross-region replication between the original S3 bucket and a new S3 bucket. To fail over, promote the read replica as master. Update the CloudFormation stack and increase the capacity of the Auto Scaling group.
  • D. Launch the application from the CloudFormation template in the second region, witch sets the capacity of the Auto Scaling group to 1. Create a scheduled task to take daily Amazon RDS cross-region snapshots to the second region. In the second region, enable cross-region replication between the original S3 bucket and Amazon Glacier. In a disaster, launch a new application stack in the second region and restore the database from the most recent snapshot.

Answer: B


NEW QUESTION # 124
You want to securely distribute credentials for your Amazon RDS instance to your fleet of web server instances.
The credentials are stored in a file that is controlled by a configuration management system.
How do you securely deploy the credentials in an automated manner across the fleet of web server instances, which can number in the hundreds, while retaining the ability to roll back if needed?

  • A. Store your credential files in an Amazon S3 bucket.
    Use Amazon S3 server-side encryption on the credential files.
    Have a scheduled job that pulls down the credential files into the instances every 10 minutes.
  • B. Store the credential files in your version-controlled repository with the rest of your code.
    Use a parallel file copy program to send the credential files from your local machine to the Amazon EC2 instances.
  • C. Keep credential files as a binary blob in an Amazon RDS MySQL DB instance, and have a script on each Amazon EC2 instance that pulls the files down from the RDS instance.
  • D. Store the credential files in your version-controlled repository with the rest of your code.
    Have a post-commit action in version control that kicks off a job in your continuous integration system which securely copses the new credential files to all web server instances.
  • E. Insert credential files into user data and use an instance lifecycle policy to periodically refresh the file from the user data.

Answer: A


NEW QUESTION # 125
A DevOps engineer is designing a multi-Region disaster recovery strategy for an application requiring an RPO of 1 hour and RTO of 4 hours. The application is deployed with an AWS CloudFormation template that creates an Application Load Balancer, Amazon EC2 instances in an Auto Scaling group, and an Amazon RDS Multi-AZ DB instance with 20 GB of allocated storage. The AMI of the application instance does not contain data and has been copied to the destination Region.
Which combination of actions will satisfy the recovery objectives at the LOWEST cost? (Choose two.)

  • A. Upon failover, update the CloudFormation stack in the failover Region to update the Auto Scaling group from one running instance to the desired number of instances. When the stack update is complete, change the DNS records to point to the failover Region's Elastic Load Balancer.
  • B. Schedule an AWS Lambda function to take a snapshot of the database every hour and copy the snapshot to the failover Region.
  • C. Launch an RDS DB instance in the failover Region and use AWS DMS to configure ongoing replication from the source database.
  • D. Utilizing the build-in RDS automated backups, set up an event with Amazon CloudWatch Events that triggers an AWS Lambda function to copy the snapshot to the failover Region.
  • E. Upon failover, launch the CloudFormation template in the failover Region with the snapshot ID as an input parameter. When the stack creation is complete, change the DNS records to point to the failover Region's Elastic Load Balancer.

Answer: D,E


NEW QUESTION # 126
To run an application, a DevOps Engineer launches an Amazon EC2 instances with public IP addresses in a public subnet. A user data script obtains the application artifacts and installs them on the instances upon launch. A change to the security classification of the application now requires the instances to run with no access to the Internet. While the instances launch successfully and show as healthy, the application does not seem to be installed.
Which of the following should successfully install the application while complying with the new rule?

  • A. Publish the application artifacts to an Amazon S3 bucket and create a VPC endpoint for S3.
    Assign an IAM instance profile to the EC2 instances so they can read the application artifacts from the S3 bucket.
  • B. Launch the instances in a public subnet with Elastic IP addresses attached. Once the application is installed and running, run a script to disassociate the Elastic IP addresses afterwards.
  • C. Set up a NAT gateway. Deploy the EC2 instances to a private subnet. Update the private subnet's route table to use the NAT gateway as the default route.
  • D. Create a security group for the application instances and whitelist only outbound traffic to the artifact repository. Remove the security group rule once the install is complete.

Answer: C


NEW QUESTION # 127
You have a set of applications hosted in AWS. There is a requirement to store the logs from this application
onto durable storage. After a period of 3 months, the logs can be placed in archival storage. Which of the
following steps would you carry out to achieve this requirement. Choose 2 answers from the options given
below

  • A. UseLifecycle policies to move the data onto Amazon Glacier after a period of 3months
  • B. UseLifecycle policies to move the data onto Amazon Simple Storage service after aperiod of 3 months
  • C. Storethe log files as they emitted from the application on to Amazon Simple Storageservice
  • D. Storethe logfiles as they emitted from the application on to Amazon Glacier

Answer: A,C

Explanation:
Explanation
The AWS Documentation mentions the following
Amazon Simple Storage Service (Amazon S3) makes it simple and practical to collect, store, and analyze data
- regardless of format - all at massive scale. S3 is object
storage built to store and retrieve any amount of data from anywhere - web sites and mobile apps, corporate
applications, and data from loT sensors or devices.
For more information on S3, please visit the below URL:
* https://aws.amazon.com/s3/
Lifecycle configuration enables you to specify the lifecycle management of objects in a bucket. The
configuration is a set of one or more rules, where each rule defines an action for Amazon S3 to apply to a
group of objects. These actions can be classified as follows: Transition actions - In which you define when
objects transition to another storage class. For example, you may choose to transition objects to the
STANDARDJ A (IA, for infrequent access) storage class 30 days after creation, or archive objects to the
GLACIER storage class one year after creation. Cxpiration actions - In which you specify when the objects
expire. Then Amazon S3 deletes the expired objects on your behalf. For more information on S3 Lifecycle
policies please visit the below URL:
* http://docs.aws.a
mazon.com/AmazonS3/latest/dev/object-lifecycle-mgmt.htm I


NEW QUESTION # 128
......

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