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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Developer – Associate (DVA-C02) |
| Exam Number: | DVA-C02 |
| Exam Format: | Multiple choice, Multiple response |
| Related Certifications: | AWS Certified DevOps Engineer – Professional AWS Certified Solutions Architect – Associate AWS Certified Cloud Practitioner |
| Exam Duration: | 130 minutes |
| Real Exam Qty: | 65 |
| Passing Score: | 720 (scaled score) |
| Exam Price: | USD 150 |
| Certificate Validity Period: | 3 years |
| Available Languages: | French, Korean, Traditional Chinese, Japanese, Simplified Chinese, German, Portuguese (Brazil), Spanish (Latin America), English |
| Recommended Training: | AWS Certified Developer – Associate Exam Guide AWS Skill Builder – Developer Learning Plan |
| Exam Registration: | AWS Certification Official Registration Pearson VUE AWS Exams |
| Sample Questions: | Amazon DVA-C02 Sample Questions |
| Exam Way: | Online proctored exam via Pearson VUE or in-person at authorized testing centers |
| Pre Condition: | No mandatory prerequisites. Recommended: 1+ year of hands-on experience developing and maintaining AWS-based applications. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-developer-associate/ |
>> DVA-C02 Deutsche Prüfungsfragen <<
Es gibt ein Sprichwort, das Spiel beendet, wenn Sie es aufgeben. Die Prüfung ist ähnlich wie das Spiel. Viele geben die Amazon DVA-C02 Zertifizierungsprüfungen auf, wenn sie nicht genug Zeit haben. Aber Sie können DVA-C02 Prüfung mit guter Note bestehen, wenn Sie die richtige exam Fragen benutzen trotz kurzer Zeit. Glauben Sie nicht? Dann müssen sie die DVA-C02 Prüfungsunterlagen von EchteFrage probieren.
Durch die Erzielung der Amazon DVA-C02-Zertifizierung zeigt die Fähigkeit eines Entwicklers, Cloud-basierte Anwendungen auf der AWS-Plattform zu entwerfen, zu entwickeln und bereitzustellen. Es kann Entwicklern helfen, ihre Karrieremöglichkeiten zu verbessern und ihr Verdienstpotential zu steigern. Darüber hinaus ermöglicht es Unternehmen, Entwickler zu identifizieren und einzustellen, die über die Fähigkeiten und Kenntnisse verfügen, die für die Gestaltung und Bereitstellung hochwertiger Anwendungen auf der AWS-Plattform erforderlich sind.
263. Frage
A developer is testing an AWS Lambda function that processes messages from an Amazon SQS queue. Some messages reappear in the queue while they are still being processed.
What should the developer do to correct this behavior?
Antwort: C
Begründung:
Comprehensive and Detailed Explanation (250-300 words):
Amazon SQS uses a visibility timeout to prevent other consumers from processing a message while it is being handled. If a Lambda function does not complete processing before the visibility timeout expires, the message becomes visible again and can be processed a second time.
AWS documentation states that the SQS visibility timeout should be greater than the maximum Lambda execution time. If not, messages may be delivered multiple times, even though processing is still in progress.
Increasing the Lambda timeout or memory does not directly affect message visibility. Increasing batch size can worsen the problem by increasing processing time.
Therefore, increasing the SQS visibility timeout is the correct and AWS-recommended solution.
264. Frage
A developer is designing a fault-tolerant environment where client sessions will be saved.
How can the developer ensure that no sessions are lost if an Amazon EC2 instance fails?
Antwort: D
265. Frage
A company needs to rapidly prototype a web application. However, the company has not yet designed the complete architecture.
A developer uses AWS Lambda functions to build three endpoints. A frontend team wants to test the endpoints while the team prototypes the frontend.
Which solution will meet these requirements with the LEAST operational overhead?
Antwort: D
Begründung:
Lambda function URLs provide a built-in HTTPS endpoint for invoking a Lambda function directly, without needing to provision or manage API Gateway, AppSync, or any additional infrastructure.
This enables quick endpoint exposure for frontend testing with minimal setup and operational overhead.
266. Frage
A development team is creating a serverless application that uses AWS Lambda functions. The team wants to streamline a testing workflow by sharing test events across multiple developers within the same AWS account. The team wants to ensure all developers can use consistent test events without compromising security.
Which solution will best meet these requirements?
Antwort: C
Begründung:
Storing JSON test event files in an S3 bucket provides a centralized, cost-effective, and highly available solution.
Granular IAM policies can restrict access to specific developers or roles, ensuring security while maintaining consistency for shared test events.
This solution has minimal operational overhead and integrates easily with existing workflows.
267. Frage
A company built an online event platform For each event the company organizes quizzes and generates leaderboards that are based on the quiz scores. The company stores the leaderboard data in Amazon DynamoDB and retains the data for 30 days after an event is complete The company then uses a scheduled job to delete the old leaderboard data The DynamoDB table is configured with a fixed write capacity. During the months when many events occur, the DynamoDB write API requests are throttled when the scheduled delete job runs.
A developer must create a long-term solution that deletes the old leaderboard data and optimizes write throughput Which solution meets these requirements?
Antwort: B
268. Frage
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