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| Certification Vendor: | Amazon AWS |
|---|---|
| Exam Name: | AWS Certified Developer - Associate |
| Exam Number: | DVA-C02 |
| Certificate Validity Period: | 3 years |
| Available Languages: | Spanish (Latin America), Japanese, English, Simplified Chinese, Korean, Portuguese (Brazil) |
| Exam Format: | Multiple-choice, Multiple-response |
| Exam Duration: | 130 minutes |
| Real Exam Qty: | 65 (50 scored, 15 unscored) |
| Exam Price: | 150 USD |
| Related Certifications: | AWS Certified SysOps Administrator - Associate AWS Certified Solutions Architect - Associate |
| Passing Score: | 720 (scaled score 100–1000) |
| Recommended Training: | AWS Certified Developer - Associate Exam Prep AWS Skill Builder |
| Exam Registration: | Pearson VUE Registration AWS Certification Registration |
| Sample Questions: | Amazon DVA-C02 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE testing centers |
| Pre Condition: | Recommended: 1+ year of hands-on experience developing applications on AWS, familiarity with AWS core services, basic understanding of cloud architecture |
| Official Syllabus URL: | https://docs.aws.amazon.com/aws-certification/latest/developer-associate-02/developer-associate-02.html |
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Amazon DVA-C02 (AWS Certified Developer - Associate) Exam is a certification exam designed for developers who are interested in validating their proficiency in developing and maintaining applications on the Amazon Web Services (AWS) platform. DVA-C02 exam tests the candidate's ability to design, develop, deploy, and maintain scalable, fault-tolerant, and highly available applications on AWS using various programming languages and AWS services such as AWS Lambda, Amazon S3, Amazon EC2, and Amazon DynamoDB.
NEW QUESTION # 695
A developer is deploying an application on Amazon EC2 instances that run in Account A. In certain cases, this application needs to read data from a private Amazon S3 bucket in Account B. The developer must provide the application access to the S3 bucket without exposing the S3 bucket to anyone else.
Which combination of actions should the developer take to meet these requirements? (Select TWO.)
Answer: B,C
Explanation:
This is a classic cross-account S3 access requirement: EC2 instances in Account A must read from a private S3 bucket in Account B without making the bucket public.
The correct pattern is to grant access using IAM + S3 bucket policy while keeping the bucket private. In Account B, you create an IAM role that has the necessary S3 read permissions (such as s3:GetObject and potentially s3:ListBucket depending on access needs). That is Option A.
However, permissions on the role alone are not sufficient, because the S3 bucket is in a different account and is private by default. AWS requires that the bucket owner explicitly grants access to the external principal.
This is done by adding a bucket policy in Account B that allows the principal (either the role in Account A or a role session via STS) to access the bucket objects. That is Option D.
Option B is not correct in the "select two" sense because adding permissions to Account A's instance profile role does not, by itself, grant access to a bucket owned by Account B. You still need the bucket policy or another resource-based policy from the bucket owner.
Option C violates the requirement ("without exposing the S3 bucket to anyone else"). Making the bucket public is unnecessary and insecure.
Option E is incorrect because a trust policy controls who can assume a role (sts:AssumeRole), not what S3 permissions the role has. Also, trust policies do not grant s3:Get* access.
Therefore, create an IAM role with S3 read permissions in Account B and grant access via the Account B bucket policy.
NEW QUESTION # 696
A developer is troubleshooting an application mat uses Amazon DynamoDB in the uswest-2 Region. The application is deployed to an Amazon EC2 instance. The application requires read-only permissions to a table that is named Cars The EC2 instance has an attached IAM role that contains the following IAM policy.
When the application tries to read from the Cars table, an Access Denied error occurs.
How can the developer resolve this error?
Answer: B
Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/access-control-overview.html#access- control-resource-ownership
NEW QUESTION # 697
A developer maintains an Amazon API Gateway REST API. Customers use the API through a frontend UI and Amazon Cognito authentication.
The developer has a new version of the API that contains new endpoints and backward-incompatible interface changes. The developer needs to provide beta access to other developers on the team without affecting customers.
Which solution will meet these requirements with the LEAST operational overhead?
Answer: B
Explanation:
Amazon API Gateway is a service that enables developers to create, publish, maintain, monitor, and secure APIs at any scale. The developer can define a development stage on the API Gateway API and instruct the other developers to point the endpoints to the development stage. This way, the developer can provide beta access to the new version of the API without affecting customers who use the production stage. This solution will meet the requirements with the least operational overhead.
Reference:
[What Is Amazon API Gateway? - Amazon API Gateway]
[Set up a Stage in API Gateway - Amazon API Gateway]
NEW QUESTION # 698
A developer is creating an application that includes an Amazon API Gateway REST API in the us-east-2 Region. The developer wants to use Amazon CloudFront and a custom domain name for the API. The developer has acquired an SSL/TLS certificate for the domain from a third-party provider.
How should the developer configure the custom domain for the application?
Answer: C
Explanation:
Amazon API Gateway is a service that enables developers to create, publish, maintain, monitor, and secure APIs at any scale. Amazon CloudFront is a content delivery network (CDN) service that can improve the performance and security of web applications. The developer can use CloudFront and a custom domain name for the API Gateway RESTAPI. To do so, the developer needs to import the SSL/TLS certificate into AWS Certificate Manager (ACM) in the us-east-1 Region. This is because CloudFront requires certificates from ACM to be in this Region. The developer also needs to create a DNS CNAME record for the custom domain that points to the CloudFront distribution.
NEW QUESTION # 699
A developer is using an AWS Lambda function to process data. The developer needs to extract custom metrics about processing times from the Lambda logs. The developer needs to analyze the metrics, set alarms, and detect issues in real time.
Which solution will meet these requirements?
Answer: B
Explanation:
Amazon provides open-source client libraries that allow you to embed custom metrics directly into your Lambda logs in a structured format (CloudWatch Embedded Metric Format). This approach enables the automatic extraction of custom metrics from the logs, and these metrics are immediately available for analysis in Amazon CloudWatch. You can use CloudWatch to create graphs, alarms, and set real-time alerts based on these custom metrics.
NEW QUESTION # 700
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