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Amazon DOP-C01 is a certification exam designed for IT professionals who want to demonstrate their expertise in DevOps practices and principles using the Amazon Web Services (AWS) platform. AWS-DevOps Exam is intended for candidates who already possess a strong foundational knowledge of AWS and experience with DevOps practices, and who want to take their skills to the next level. Passing the DOP-C01 exam validates the candidate's ability to design, deploy, and operate AWS services in a DevOps environment.

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q153-Q158):

NEW QUESTION # 153
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. Install an Amazon CloudWatch Logs agent on the EC2 instance and configure it to send application logs to CloudWatch.
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. 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.
D. 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.

Answer: B

NEW QUESTION # 154
Your company uses AWS to host its resources. They have the following requirements
1) Record all API calls and Transitions
2) Help in understanding what resources are there in the account
3) Facility to allow auditing credentials and logins Which services would suffice the above requirements

A. CloudTrail, AWS Config, 1AM Credential Reports
B. AWS Config, CloudTrail, 1AM Credential Reports
C. CloudTrail, 1AM Credential Reports, AWS Config
D. AWS Config, 1AM Credential Reports, CloudTrail

Answer: A

Explanation:
Explanation
You can use AWS CloudTrail to get a history of AWS API calls and related events for your account. This history includes calls made with the AWS Management Console, AWS Command Line Interface, AWS SDKs, and other AWS services.
For more information on Cloudtrail, please visit the below URL:
* http://docs.aws.a
mazon.com/awscloudtrail/latest/userguide/cloudtrai l-user-guide.html
AWS Config is a service that enables you to assess, audit, and evaluate the configurations of your AWS resources. Config continuously monitors and records your AWS resource configurations and allows you to automate the evaluation of recorded configurations against desired configurations. With Config, you can review changes in configurations and relationships between AWS resources, dive into detailed resource configuration histories, and determine your overall compliance against the configurations specified in your internal guidelines. This enables you to simplify compliance auditing, security analysis, change management, and operational troubleshooting. For more information on the config service, please visit the below URL:
* https://aws.amazon.com/config/
You can generate and download a credential reportthat lists all users in your account and the status of their various credentials, including passwords, access keys, and MFA devices. You can get a credential report from the AWS Management Console, the AWS SDKs and Command Line Tools, or the 1AM API. For more information on Credentials Report, please visit the below URL:
* http://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_getting-report.html

NEW QUESTION # 155
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 new AM Is with the new app. Then use the new EC2 instances in half proportion to the older instances.
C. 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.
D. 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

Answer: C

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 # 156
When thinking of AWS OpsWorks, which of the following is true?

A. Layers have many instances, instances have many stacks.
B. Instances have many stacks, stacks have many layers.
C. Layers have many stacks, stacks have many instances.
D. Stacks have many layers, layers have many instances.

Answer: D

Explanation:
The stack is the core AWS OpsWorks component. It is basically a container for AWS resources-- Amazon EC2 instances, Amazon RDS database instances, and so on--that have a common purpose and should be logically managed together. You define the stack's constituents by adding one or more layers. A layer represents a set of Amazon EC2 instances that serve a particular purpose, such as serving applications or hosting a database server. An instance represents a single computing resource, such as an Amazon EC2 instance.
http://docs.aws.amazon.com/opsworks/latest/userguide/welcome.html

NEW QUESTION # 157
Management has reported an increase in the monthly bill from Amazon Web Services, and they are extremely concerned with this increased cost. Management has asked you to determine the exact cause of this increase. After reviewing the billing report, you notice an increase in the data transfer cost. How can you provide management with a better insight into data transfer use?

A. Use Amazon CloudWatch Logs to run a map-reduce on your logs to determine high usage and data transfer.
B. Deliver custom metrics to Amazon CloudWatch per application that breaks down application data transfer into multiple, more specific data points.
D- Using Amazon CloudWatch metrics, pull your Elastic Load Balancing outbound data transfer metrics monthly, and include them with your billing report to show which application is causing higher bandwidth usage.
C. Update your Amazon CloudWatch metrics to use five-second granularity, which will give better detailed metrics that can be combined with your billing data to pinpoint anomalies.

Answer: B

Explanation:
You can publish your own metrics to CloudWatch using the AWS CLI or an API. You can view statistical graphs of your published metrics with the AWS Management Console.
CloudWatch stores data about a metric as a series of data points. Each data point has an associated time stamp. You can even publish an aggregated set of data points called a statistic set.
If you have custom metrics specific to your application, you can give a breakdown to the management on the exact issue.
Option A won't be sufficient to provide better insights.
Option B is an overhead when you can make the application publish custom metrics
Option D is invalid because just the ELB metrics will not give the entire picture
For more information on custom metrics, please refer to the below document link: from AWS
http://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publ ishingMetrics.htmI

NEW QUESTION # 158
......

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Exam Amazon AWS-DevOps Quiz & AWS-DevOps PDF

AWS-DevOps PDF - Reliable AWS-DevOps Test Voucher

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q153-Q158):

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