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To be eligible for the AWS-DevOps exam, candidates must have at least two years of experience in provisioning, operating, and managing AWS environments. They should also have a strong understanding of DevOps methodologies and practices, including continuous integration and delivery (CI/CD), infrastructure as code (IaC), and monitoring and logging. DOP-C01 exam consists of 75 multiple-choice and multiple-response questions, and candidates have 180 minutes to complete it.

The DOP-C01 exam covers a wide range of topics, including continuous integration and continuous delivery (CI/CD), monitoring and logging, infrastructure as code, security, compliance, and deployment strategies. DOP-C01 Exam consists of multiple-choice and multiple-response questions that test the candidate's knowledge and understanding of these topics. Passing the DOP-C01 exam requires a thorough understanding of DevOps principles and practices, as well as a deep knowledge of the AWS platform and its services.

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The AWS-DevOps-Engineer-Professional certification exam is a rigorous and comprehensive assessment of a candidate's skills and knowledge in DevOps practices on the AWS platform. AWS Certified DevOps Engineer - Professional certification can help professionals advance their careers and demonstrate their expertise in cloud computing and DevOps practices.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q325-Q330):

NEW QUESTION # 325
A DevOps Engineer is implementing a mechanism for canary testing an application on AWS. The application was recently modified and went through security, unit, and functional testing. The application needs to be deployed on an AutoScaling group and must use a Classic Load Balancer.
Which design meets the requirement for canary testing?

A. Create a single Classic Load Balancer and an Auto Scaling group for blue/green environments. Create an Amazon CloudFront distribution with the Classic Load Balancer as the origin. Adjust traffic using CloudFront.
B. Create a single Classic Load Balancer and an Auto Scaling group for blue/green environments. Use Amazon Route 53 and create A records for Classic Load Balancer IPs. Adjust traffic using A records.
C. Create a different Classic Load Balancer and Auto Scaling group for blue/green environments. Use Amazon Route 53 and create weighted A records on Classic Load Balancer.
D. Create a different Classic Load Balancer and Auto Scaling group for blue/green environments. Create an Amazon API Gateway with a separate stage for the Classic Load Balancer. Adjust traffic by giving weights to this stage.

Answer: C

NEW QUESTION # 326
What is web identity federation?

A. Use of AWS IAM User tokens to log in as a Google or Facebook user.
B. Use of AWS STS Tokens to log in as a Google or Facebook user.
C. Use of an identity provider like Google or Facebook to exchange for temporary AWS security credentials.
D. Use of an identity provider like Google or Facebook to become an AWS IAM User.

Answer: C

Explanation:
... users of your app can sign in using a well-known identity provider (IdP) --such as Login with Amazon, Facebook, Google, or any other OpenID Connect (OIDC)-compatible IdP, receive an authentication token, and then exchange that token for temporary security credentials in AWS that map to an IAM role with permissions to use the resources in your AWS account.
http://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_oidc.html

NEW QUESTION # 327
By default in Opswork, how many application versions can you rollback up to?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
Explanation
The AWS Documentation mentions the following Restores the previously deployed app version. For example,
if you have deployed the app three times and then run Rollback, the server will serve the app from the second
deployment. If you run Rollback again, the server will serve the app from the first deployment. By default,
AWS OpsWorks Stacks stores the five most recent deployments, which allows you to roll back up to four
versions. If you exceed the number of stored versions, the command fails and leaves the oldest version in
place.
For more information on Opswork app deployment, please visit the below U RL:
* http://docs.aws.amazon.com/opsworks/latest/userguide/workingapps-deploying.
html

NEW QUESTION # 328
A Solutions Architect is designing the architecture for a new three-tier web-based e-commerce site that must
be available 24/7. Requests are expected to range from 100 to 10,000 each minute. Usage can vary depending
on time of day, holidays, and promotions. The design should be able to handle these volumes, with the ability
to handle higher volumes if necessary.
How should the Architect design the architecture to ensure the web tier is cost-optimized and can handle the
expected traffic? (Select two.)

A. Store all static files in a multi-AZ Amazon Aurora database.
B. Create an CloudFront distribution pointing to static content in Amazon S3.
C. Use Amazon S3 multi-part uploads to improve upload times.
D. Use Amazon Route 53 to route traffic to the correct region.
E. Launch Amazon EC2 instances in an Auto Scaling group behind an ELB.

Answer: B,E

NEW QUESTION # 329
A DevOps Engineer must improve the monitoring of a Finance team payments microservice that handles transactions for an e-commerce platform. The microservice runs on multiple Amazon EC2 instances. The Finance team would like to know the number of payments per minute, and the team would like to be notified when this metric falls below a specified threshold. How can this be cost-effectively automated?

A. Have the Development team log successful transactions to an application log. Set up the Amazon CloudWatch agent on each instance. Create a CloudWatch alarm when the threshold is breached, and use Amazon SNS to notify the Finance team.
B. Have the Development team post the number of successful transactions to Amazon CloudWatch as a custom metric. Create a CloudWatch alarm when the threshold is breached, and use Amazon SNS to notify the Finance team.
C. Have the Development team log successful transactions to an application log. Set up Logstash on each instance, which sends logs to an Amazon ES cluster. Create a Kibana dashboard for the Finance team that graphs the metric.
D. Have the Development team log successful transactions to an application log. On each instance, set up the Amazon CloudWatch Logs agent to send application logs to CloudWatch Logs. Use an EC2 instance to monitor a metric filter, and send notifications to the Finance team.

Answer: B

NEW QUESTION # 330
......

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