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DOP-C01 Exam Test Answers- High Hit Rate DOP-C01 Latest Braindumps Files Pass Success

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The AWS Certified DevOps Engineer - Professional (DOP-C01) exam is designed to validate the technical skills and expertise of individuals who are responsible for designing, deploying, and managing AWS applications using DevOps practices and principles. DevOps is a software development approach that emphasizes collaboration between development and operations teams to deliver high-quality software applications at a faster pace.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q542-Q547):

NEW QUESTION # 542
A DevOps engineer is creating an AWS CloudFormation template to deploy a web service. The web service will run on Amazon EC2 instances in a private subnet behind an Application Load Balancer (ALB). The DevOps engineer must ensure that the service can accept requests from clients that have IPv6 addresses.
What should the DevOps engineer do with the CloudFormation template so that IPv6 clients can access the web service?

A. Add an IPv6 CIDR block to the VPC and the private subnet for the EC2 instances. Create route table entries for the IPv6 network, use EC2 instance types that support IPv6, and assign IPv6 addresses to each EC2 instance.
B. Assign each EC2 instance an IPv6 Elastic IP address. Create a target group, and add the EC2 instances as targets. Create a listener on port 443 of the ALB, and associated the target group with the ALB.
C. Replace the ALB with a Network Load Balancer (NLB). Add an IPv6 CIDR block to the VPC and subnets for the NLB, and assign the NLB an IPv6 Elastic IP address.
D. Add an IPv6 CIDR block to the VPC and subnets for the ALB. Create a listener on port 443, and specify the dualstack IP address type on the ALB. Create a target group, and add the EC2 instances as targets. Associate the target group with the ALB.

Answer: B

Explanation:
https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load- balancers.html#load-balancer-address-type

NEW QUESTION # 543
You have been given a business requirement to retain log files for your application for 10 years.
You need to regularly retrieve the most recent logs for troubleshooting.
Your logging system must be cost-effective, given the large volume of logs.
What technique should you use to meet these requirements?

A. Store your logs in Amazon S3, and use lifecycle policies to archive to Amazon Glacier.
B. Store your logs in HDFS on an Amazon EMR cluster.
C. Store your logs on Amazon EBS, and use Amazon EBS snapshots to archive them.
D. Store your logs in Amazon Glacier.
E. Store your log in Amazon CloudWatch Logs.

Answer: A

NEW QUESTION # 544
You have an application consisting of a stateless web server tier running on Amazon EC2 instances behind load balancer, and are using Amazon RDS with read replicas.
Which of the following methods should you use to implement a self-healing and cost-effective architecture? Choose 2 answers.

A. Set up an Auto Scaling group for the database tier along with an Auto Scaling policy that uses the Amazon RDS read replica lag CloudWatch metric to scale out the Amazon RDS read replicas.
B. Use a larger Amazon EC2 instance type for the web server tier and a larger DB instance type for the data storage layer to ensure that they don't become unhealthy.
C. Set up an Auto Scaling group for the web server tier along with an Auto Scaling policy that uses the Amazon RDS DB CPU utilization CloudWatch metric to scale the instances.
D. Set up a third-party monitoring solution on a cluster of Amazon EC2 instances in order to emit custom CloudWatch metrics to trigger the termination of unhealthy Amazon EC2 instances.
E. Set up scripts on each Amazon EC2 instance to frequently send ICMP pings to the load balancer in order to determine which instance is unhealthy and replace it.
F. Use an Amazon RDS Multi-AZ deployment.
G. Set up an Auto Scaling group for the web server tier along with an Auto Scaling policy that uses the Amazon EC2 CPU utilization CloudWatch metric to scale the instances.

Answer: F,G

NEW QUESTION # 545
Which resource can not be defined in an Ansible Playbook?

A. Host Groups
B. Fact Gathering State
C. Inventory File
D. Variables

Answer: C

Explanation:
Ansible's inventory can only be specified on the command line, the Ansible configuration file or in environment variables.
Reference: http://docs.ansible.com/ansible/intro_inventory.html

NEW QUESTION # 546
A DevOps Engineer needs to deploy a scalable three-tier Node.js application in AWS. The application must have zero downtime during deployments and be able to roll back to previous versions. Other applications will also connect to the same MySQL backend database.
The CIO has provided the following guidance for logging:
* Centrally view all current web access server logs.
* Search and filter web and application logs in near-real time.
* Retain log data for three months.
How should these requirements be met?

A. Deploy the application on Amazon EC2. Configure Elastic Load Balancing and Auto Scaling. Use an Amazon RDS MySQL instance for the database tier. Configure the application to store log files in Amazon S3. Use Amazon EMR to search and filter the data. Set an Amazon S3 lifecycle rule to expire objects after
90 days.
B. Deploy the application using AWS Elastic Beanstalk. Configure the environment type for Elastic Load Balancing and Auto Scaling. Create the Amazon RDS MySQL instance outside the Elastic Beanstalk stack.
Configure the Elastic Beanstalk log options to stream logs to Amazon CloudWatch Logs. Set retention to 90 days.
C. Deploy the application on Amazon EC2. Configure Elastic Load Balancing and Auto Scaling. Use an Amazon RDS MySQL instance for the database tier. Configure the application to load streaming log data using Amazon Kinesis Data Firehouse into Amazon ES. Delete and create a new Amazon ES domain every
90 days.
D. Deploy the application using AWS Elastic Beanstalk. Configure the environment type for Elastic Load Balancing and Auto Scaling. Create an Amazon RDS MySQL instance inside the Elastic Beanstalk stack.
Configure the Elastic Beanstalk log options to stream logs to Amazon CloudWatch Logs. Set retention to 90 days.

Answer: D

NEW QUESTION # 547
......

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