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New AWS-DevOps-Engineer-Professional Test Questions - AWS-DevOps-Engineer-Professional Exam Questions Pdf

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To prepare for the exam, candidates should have a strong understanding of AWS services and DevOps practices. AWS provides a range of training resources and practice exams to help candidates prepare for the certification. Candidates should also have experience working with automation tools such as Jenkins, Ansible, or Puppet, as well as experience with scripting languages such as Python or Ruby. It is also important to have experience with agile methodologies and software development lifecycles.

The Amazon AWS-DevOps-Engineer-Professional Exam covers a wide range of topics related to DevOps engineering on the AWS platform, including continuous delivery and deployment, monitoring and logging, security, and scalability. Candidates will be tested on their ability to design and implement DevOps practices, automate and optimize processes, and utilize AWS services to build and maintain highly available and scalable systems.

Amazon AWS Certified DevOps Engineer – Professional: Main Requirements

This certification is intended for those individuals who know how to perform the DevOps Engineer role. Considering the fact that this is a professional-level certificate, you should fulfill certain requirements to become eligible for it. Therefore, you need to have at least two years of hands-on experience managing, operating, and provisioning the AWS environments. Besides that, you should know how to develop code, which means that you need to have some skills with at least one programming language of a high level. This certification also requires that you are able to build highly automated infrastructures and administer operating systems. Your level of knowledge and expertise should also include a full understanding of methodologies, operations processes, and modern development.

The prerequisite exam for the Amazon AWS Certified DevOps Engineer – Professional certification evaluates your skills in operating the methodologies and continuous delivery systems on AWS, so you need to be ready for that. Another skill you have to possess include the deployment of logging systems, metrics, and monitoring on AWS. It is also important to know how to automate compliance validation, governance processes, and security controls. Your ability to successfully design, maintain, and manage various tools will be also critical for the automation of operational processes.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q549-Q554):

NEW QUESTION # 549
You currently have the following setup in AWS
1) An Elastic Load Balancer
2) Auto Scaling Group which launches EC2 Instances
3) AMIs with your code pre-installed
You want to deploy the updates of your app to only a certain number of users. You want to have a cost-effective solution. You should also be able to revert back quickly. Which of the below solutions is the most feasible one?

A. Create a full second stack of instances, cut the DNS over to the new stack of instances, and change the DNS back if a rollback is needed.
B. Create a second ELB, and a new Auto Scaling Group assigned a new Launch Configuration. Create a new AMI with the updated app. Use Route53 Weighted Round Robin records to adjust the proportion of traffic hitting the two ELBs.
C. Redeploy with AWS Elastic Beanstalk and Elastic Beanstalk versions. Use Route 53 Weighted Round Robin records to adjust the proportion of traffic hitting the two ELBs
D. Create new AM Is with the new app. Then use the new EC2 instances in half proportion to the older instances.

Answer: B

Explanation:
Explanation
The Weighted Routing policy of Route53 can be used to direct a proportion of traffic to your application. The best option is to create a second CLB, attach the new Autoscaling Group and then use Route53 to divert the traffic.
Option B is wrong because just having EC2 instances running with the new code will not help.
Option C is wrong because Clastic beanstalk is good for development environments, and also there is no mention of having 2 environments where environment url's can be swapped.
Option D is wrong because you still need Route53 to split the traffic.
For more information on Route53 routing policies, please refer to the below link:
* http://docs.aws.a
mazon.com/Route53/latest/DeveloperGuide/routing-policy. html

NEW QUESTION # 550
A company has a mission-critical application on AWS that uses automatic scaling. The company wants the deployment lifecycle to meet the following parameters
*The application must be deployed one instance at a time to ensure the remaining fleet continues to serve traffic.
*the application is CPU intensive and must ho closely monitored
*the deployment must automatically roll back if the CPU utilization of the deployment instance exceeds 85% Which solution will meet these requirements'?

A. Use AWS CloudForrnation to create an AWS Step Functions state machine and Auto Scaling lifecycle hooks to move to one instance at a time into a wait state. Use AWS Systems Manager automation to deploy the update to each instance and move it back into the Auto Scaling group using the heartbeat timeout
B. Use AWS CodeDeploy with Amazon EC2 Auto Scaling Configure an alarm tied to the CPU utilization metric Use the CodeDeployDefault OneAtAtime configuration as a deployment strategy Configure automatic rollbacks within the deployment group to roll back the deployment if the alarm thresholds are breached
C. Use AWS Elastic Beanstalk for load balancing and AWS Auto Scaling Configure an alarm tied to the CPU utilization metric Configure rolling deployments with a fixed batch size of one instance Enable enhanced health to monitor the status of the deployment and roll back based on the alarm previously created
D. Use AWS Systems Manager to perform a blue/green deployment with Amazon EC2 Auto Scaling Configure an alarm tied to the CPU utilization metric Deploy updates one at a time Configure automatic rollbacks within the Auto Scaling group to roll back the deployment if the alarm thresholds are breached.

Answer: C

NEW QUESTION # 551
You have an application running on Amazon EC2 in an Auto Scaling group. Instances are being bootstrapped dynamically, and the bootstrapping takes over 15 minutes to complete. You find that instances are reported by Auto Scaling as being In Service before bootstrapping has completed. You are receiving application alarms related to new instances before they have completed bootstrapping, which is causing confusion. You find the cause: your application monitoring tool is polling the Auto Scaling Service API for instances that are In Service, and creating alarms for new previously unknown instances.
Which of the following will ensure that new instances are not added to your application monitoring tool before bootstrapping is completed?

A. Tag all instances on launch to identify that they are in a pending state. Change your application monitoring tool to look for this tag before adding new instances, and the use the Amazon API to set the instance state to 'pending' until bootstrapping is complete.
B. Increase the desired number of instances in your Auto Scaling group configuration to reduce the time it takes to bootstrap future instances.
C. Use the default Amazon CloudWatch application metrics to monitor your application's health. Configure an Amazon SNS topic to send these CloudWatch alarms to the correct recipients.
D. Create an Auto Scaling group lifecycle hook to hold the instance in a pending: wait state until your bootstrapping is complete. Once bootstrapping is complete, notify Auto Scaling to complete the lifecycle hook and move the instance into a pending: complete state.

Answer: D

NEW QUESTION # 552
When thinking of DynamoDB, what are true of Global Secondary Key properties?

A. Either the partition key or the sort key can be different from the table, but not both.
B. Only the sort key can be different from the table.
C. Only the partition key can be different from the table.
D. The partition key and sort key can be different from the table.

Answer: D

Explanation:
Global secondary index -- an index with a partition key and a sort key that can be different from those on the table. A global secondary index is considered "global" because queries on the index can span all of the data in a table, across all partitions.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SecondaryIndexes.html

NEW QUESTION # 553
A DevOps Engineer must implement monitoring for a workload running on Amazon EC2 and Amazon RDS MySQL. The monitoring must include:
- Application logs and operating system metrics for the Amazon EC2
instances
- Database logs and operating system metrics for the Amazon RDS
database
Which steps should the Engineer take?

A. Set up scheduled tasks on the EC2 and RDS instances to put operating system metrics and application and database logs into an Amazon S3 bucket. Set up an event on the bucket to invoke an AWS Lambda function to monitor for errors each time an object is put into the bucket.
B. Install an Amazon CloudWatch agent on the EC2 instance, and configure the agent to send the application logs and operating system metrics to CloudWatch. Enable RDS Enhanced Monitoring, and modify the RDS instance to publish database logs to CloudWatch Logs.
C. Install an Amazon CloudWatch agent on the EC2 and RDS instances. Configure the agent to send the operating system metrics and application and database logs to CloudWatch.
D. Install an Amazon CloudWatch Logs agent on the EC2 instance and configure it to send application logs to CloudWatch.

Answer: B

NEW QUESTION # 554
......

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