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Amazon DVA-C02 (AWS Certified Developer - Associate) certification exam is designed to validate the skills and knowledge of individuals who develop and maintain applications on the AWS platform. AWS Certified Developer - Associate certification is intended for developers who have experience in designing and developing cloud-based applications, and who want to demonstrate their expertise in using AWS services to build scalable, reliable, and highly available applications.
To prepare for the DVA-C02 Exam, candidates must have a solid understanding of programming concepts, such as object-oriented programming, data structures, and algorithms. They should also be familiar with AWS services, architectures, and deployment models. Candidates can prepare for the exam by attending AWS training courses, reading AWS documentation, and practicing with AWS services and tools.
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Amazon DVA-C02 exam, also known as the AWS Certified Developer - Associate exam, is a certification exam offered by Amazon Web Services (AWS) for software developers who want to validate their skills and knowledge in developing applications on the AWS platform. DVA-C02 exam is designed to test a candidate's ability to design, develop, and deploy cloud-based applications using AWS services and APIs. DVA-C02 Exam covers a wide range of topics, including AWS core services, security, databases, and serverless architecture.
NEW QUESTION # 60
A developer compiles an AWS Lambda function and packages the result as a .zip file. The developer uses the Functions page on the Lambda console to attempt to upload the local packaged .zip file. When pushing the package to Lambda, the console returns the following error:
Which solutions can the developer use to publish the code? (Select TWO.)
Answer: C,E
NEW QUESTION # 61
A developer at a company needs to create a small application that makes the same API call once each day at a designated time. The company does not have infrastructure in the AWS Cloud yet, but the company wants to implement this functionality on AWS.
Which solution meets these requirements in the MOST operationally efficient manner?
Answer: C
Explanation:
Explanation
The correct answer is C. Use an AWS Lambda function that is invoked by an Amazon EventBridge scheduled event.
C: Use an AWS Lambda function that is invoked by an Amazon EventBridge scheduled event. This is correct.
AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers.
Lambda runs your code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, and logging1. Amazon EventBridge is a serverless event bus service that enables you to connect your applications with data from a variety of sources2. EventBridge can create rules that run on a schedule, either at regular intervals or at specific times and dates, and invoke targets such as Lambda functions3. This solution meets the requirements of creating a small application that makes the same API call once each day at a designated time, without requiring any infrastructure in the AWS Cloud or any operational overhead.
A: Use a Kubernetes cron job that runs on Amazon Elastic Kubernetes Service (Amazon EKS). This is incorrect. Amazon EKS is a fully managed Kubernetes service that allows you to run containerized applications on AWS4. Kubernetes cron jobs are tasks that run periodically on a given schedule5. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to provision and manage an EKS cluster, which would incur additional costs and complexity.
B: Use an Amazon Linux crontab scheduled job that runs on Amazon EC2. This is incorrect. Amazon EC2 is a web service that provides secure, resizable compute capacity in the cloud6. Crontab is a Linux utility that allows you to schedule commands or scripts to run automatically at a specified time or date7. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to provision and manage an EC2 instance, which would incur additional costs and complexity.
D: Use an AWS Batch job that is submitted to an AWS Batch job queue. This is incorrect. AWS Batch enables you to run batch computing workloads on the AWS Cloud8. Batch jobs are units of work that can be submitted to job queues, where they are executed in parallel or sequentially on compute environments9. This solution could meet the functional requirements of creating a small application that makes the same API call once each day at a designated time, but it would not be the most operationally efficient manner. The company would need to configure and manage an AWS Batch environment, which would incur additional costs and complexity.
References:
1: What is AWS Lambda? - AWS Lambda
2: What is Amazon EventBridge? - Amazon EventBridge
3: Creating an Amazon EventBridge rule that runs on a schedule - Amazon EventBridge
4: What is Amazon EKS? - Amazon EKS
5: CronJob - Kubernetes
6: What is Amazon EC2? - Amazon EC2
7: Crontab in Linux with 20 Useful Examples to Schedule Jobs - Tecmint
8: What is AWS Batch? - AWS Batch
9: Jobs - AWS Batch
NEW QUESTION # 62
A developer wants the ability to roll back to a previous version of an AWS Lambda function in the event of errors caused by a new deployment.
How can the developer achieve this with MINIMAL impact on users?
Answer: A
NEW QUESTION # 63
A developer is using AWS CodeDeploy to deploy an application running on Amazon EC2. The developer wants to change the file permissions for a specific deployment file.
Which lifecycle event should a developer use to meet this requirement?
Answer: C
Explanation:
You can use the AfterInstall deployment lifecycle event for tasks such as configuring your application or changing file permissions.
https://aws.amazon.com/codedeploy/faqs/
NEW QUESTION # 64
A developer needs to perform geographic load testing of an API. The developer must deploy resources to multiple AWS Regions to support the load testing of the API.
How can the developer meet these requirements without additional application code?
Answer: D
NEW QUESTION # 65
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