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The DVA-C02 exam consists of multiple-choice and multiple-response questions, and it is available in English, Japanese, Korean, and Simplified Chinese. DVA-C02 exam covers a wide range of topics, including AWS core services, AWS database services, AWS security services, AWS deployment and management services, and AWS developer tools. DVA-C02 exam also tests a candidate's understanding of how to use AWS services to create scalable, highly available, and fault-tolerant applications.

Amazon DVA-C02 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Deployment: AWS developers learn to prepare application artifacts for deployment, conduct rigorous testing in development environments, and automate deployment testing workflows. This topic also introduces the use of AWS CI
  • CD services for efficient code deployment. The knowledge ensures effective application lifecycle management in production environments.
Topic 2
  • Troubleshooting and Optimization:This topic prepares AWS developers to assist in root cause analysis, integrate observability into their code with instrumentation, and optimize applications using AWS services and features. Mastery of these skills ensures developers can maintain and enhance application performance and reliability efficiently.
Topic 3
  • Security: This topic empowers AWS developers to implement robust authentication and authorization mechanisms for applications and AWS services. It also highlights best practices in applying encryption using AWS tools and securely managing sensitive data within application code. Developers enhance their ability to create secure, compliant applications in the AWS ecosystem.
Topic 4
  • Development with AWS Services: In this topic, AWS developers gain expertise in writing and managing code for applications hosted on AWS, including leveraging AWS Lambda for serverless architectures. The focus also includes using data stores effectively in application development. The topic sharpens skills in cloud-native application development, aligning with the requirements of scalable, efficient systems.

Amazon DVA-C02 Exam is a challenging certification exam that requires extensive knowledge and hands-on experience in developing and maintaining applications on AWS. DVA-C02 exam consists of 65 multiple-choice and multiple-response questions that must be completed within 130 minutes. The passing score for the exam is 720 out of 1000 points. Upon passing the exam, candidates will receive the AWS Certified Developer - Associate certification, which demonstrates their proficiency in developing and maintaining applications on AWS and validates their skills in the rapidly growing field of cloud computing.

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Amazon AWS Certified Developer - Associate Sample Questions (Q113-Q118):

NEW QUESTION # 113
A company maintains an application responsible for processing several thousand external callbacks each day.
The company's system administrators want to know how many callbacks are being received on a rolling basis, and they want this data available for 10 days.
The company also wants the ability to issue automated alerts if the number of callbacks exceeds the defined thresholds.
What is the MOST cost-effective way to address the need to track and alert on these statistics?

Answer: C

Explanation:
CloudWatch custom metrics are the most cost-effective and operationally simple solution for tracking callback counts over time and alerting on thresholds. The application can publish a custom metric such as CallbackCount, and CloudWatch can retain metric data long enough for the required 10-day rolling view.
CloudWatch alarms can notify administrators automatically when a threshold is breached. RDS would require database provisioning, schema management, queries, and separate alerting logic. X-Ray is for distributed tracing, not business metric aggregation and threshold alerting. Kinesis plus Lambda plus DynamoDB would work, but it is unnecessarily complex and more expensive for a simple count metric. AWS documentation confirms that custom metrics can be published to CloudWatch and alarms can send notifications when thresholds are breached. ( AWS Documentation )


NEW QUESTION # 114
A video streaming company has a pipe in Amazon EventBridge Pipes that uses an Amazon Simple Queue Service (Amazon SQS) queue as an event source. The pipe publishes all source events to a target EventBridge event bus. Before events are published, the pipe uses an AWS Lambda function to retrieve the stream status of each event from a database and adds the stream status to each source event.
The company wants the pipe to publish events to the event bus only if the video stream has a status of ready.
Which solution will meet these requirements?

Answer: D


NEW QUESTION # 115
An application stores user data in Amazon S3 buckets in multiple AWS Regions. A developer needs to implement a solution that analyzes the user data in the S3 buckets to find sensitive information. The analysis findings from all the S3 buckets must be available in the eu-west-2 Region.
Which solution will meet these requirements with the LEAST development effort?

Answer: B


NEW QUESTION # 116
A developer must analyze performance issues with production-distributed applications written as AWS Lambda functions. These distributed Lambda applications invoke other components that make up me applications. How should the developer identify and troubleshoot the root cause of the performance issues in production?

Answer: D

Explanation:
This solution will meet the requirements by using AWS X-Ray to analyze and debug the performance issues with the distributed Lambda applications. AWS X-Ray is a service that collects data about requests that the applications serve, and provides tools to view, filter, and gain insights into that data. The developer can use AWS X-Ray to identify the root cause of the performance issues by examining the segments and errors that show the details of each request and the components that make up the applications. Option A is not optimal because it will use logging statements and Amazon CloudWatch, which may not provide enough information or visibility into the distributed applications. Option B is not optimal because it will use AWS CloudTrail, which is a service that records API calls and events for AWS services, not application performance data.
Option D is not optimal because it will use Amazon Inspector, which is a service that helps improve the security and compliance of applications on Amazon EC2 instances, not Lambda functions.
References: AWS X-Ray, Using AWS X-Ray with AWS Lambda


NEW QUESTION # 117
A developer is building an application that uses AWS API Gateway APIs. AWS Lambda function, and AWS Dynamic DB tables. The developer uses the AWS Serverless Application Model (AWS SAM) to build and run serverless applications on AWS. Each time the developer pushes of changes for only to the Lambda functions, all the artifacts in the application are rebuilt.
The developer wants to implement AWS SAM Accelerate by running a command to only redeploy the Lambda functions that have changed.
Which command will meet these requirements?

Answer: B

Explanation:
The command that will meet the requirements is sam sync -watch. This command enables AWS SAM Accelerate mode, which allows the developer to only redeploy the Lambda functions that have changed. The - watch flag enables file watching, which automatically detects changes in the source code and triggers a redeployment. The other commands either do not enable AWS SAM Accelerate mode, or do not redeploy the Lambda functions automatically.
Reference: AWS SAM Accelerate


NEW QUESTION # 118
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