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Amazon DVA-C02 (AWS Certified Developer - Associate) exam is a certification offered by Amazon Web Services (AWS) for developers who want to demonstrate their expertise in designing, developing, and deploying cloud-based solutions using AWS technologies. DVA-C02 exam validates a candidate's ability to write code using AWS APIs, create and maintain applications using AWS services, and deploy applications on AWS infrastructure. AWS Certified Developer - Associate certification is recommended for developers with one or more years of experience with AWS.
Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is designed for individuals who want to demonstrate their expertise in developing and maintaining applications on the Amazon Web Services (AWS) platform. AWS Certified Developer - Associate certification is ideal for software developers who are looking to enhance their skills in cloud computing and gain recognition for their proficiency in building applications on AWS. DVA-C02 Exam covers a wide range of topics such as AWS core services, AWS security, AWS database services, and AWS deployment and management.
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NEW QUESTION # 32
A financial company must store original customer records for 10 years for legal reasons. A complete record contains personally identifiable information (PII). According to local regulations, PII is available to only certain people in the company and must not be shared with third parties. The company needs to make the records available to third-party organizations for statistical analysis without sharing the PII.
A developer wants to store the original immutable record in Amazon S3. Depending on who accesses the S3 document, the document should be returned as is or with all the PII removed. The developer has written an AWS Lambda function to remove the PII from the document. The function is named removePii.
What should the developer do so that the company can meet the PII requirements while maintaining only one copy of the document?
Answer: D
Explanation:
Explanation
S3 Object Lambda allows you to add your own code to process data retrieved from S3 before returning it to an application. You can use an AWS Lambda function to modify the data, such as removing PII, redacting confidential information, or resizing images. You can create an S3 Object Lambda access point and associate it with your Lambda function. Then, you can use the access point to request objects from S3 and get the modified data back. This way, you can maintain only one copy of the original document in S3 and apply different transformations depending on who accesses it. Reference: Using AWS Lambda with Amazon S3
NEW QUESTION # 33
A company is building a serverless application on AWS. The application uses an AWS Lambda function to process customer orders 24 hours a day, 7 days a week. The Lambda function calls an external vendor's HTTP API to process payments.
During load tests, a developer discovers that the external vendor payment processing API occasionally times out and returns errors. The company expects that some payment processing API calls will return errors.
The company wants the support team to receive notifications in near real time only when the payment processing external API error rate exceed 5% of the total number of transactions in an hour. Developers need to use an existing Amazon Simple Notification Service (Amazon SNS) topic that is configured to notify the support team.
Which solution will meet these requirements?
Answer: D
Explanation:
Amazon CloudWatch is a service that monitors AWS resources and applications. The developer can publish custom metrics to CloudWatch that record the failures of the external payment processing API calls. The developer can configure a CloudWatch alarm to notify the existing SNS topic when the error rate exceeds 5% of the total number of transactions in an hour. This solution will meet the requirements in a near real-time and scalable way.
NEW QUESTION # 34
A developer is creating a new batch application that will run on an Amazon EC2 instance. The application requires read access to an Amazon S3 bucket. The developer needs to follow security best practices to grant S3 read access to the application.
Which solution meets these requirements?
Answer: D
Explanation:
Step 1: Understanding the Requirements
* Best Practices for Security:
* Minimize the use of hardcoded credentials or long-lived access keys.
* Use IAM roles for EC2 instances to securely grant permissions to applications running on the instance.
* Access Scope: The application needs read-only access to an S3 bucket.
Step 2: Solution Analysis
* Option A:
* Define an IAM policy with the required s3:GetObject permissions.
* Attach this policy to an IAM role.
* Assign the role to the EC2 instance profile.
* This approach follows security best practices by eliminating the need for static credentials and using temporary, scoped credentials provided by the instance profile.
* Correct option.
* Option B:
* IAM groups are used for organizing users, not for EC2 instances or instance profiles.
* Not suitable.
* Option C:
* IAM users are associated with specific individuals or applications and require static credentials.
* This violates security best practices for temporary credentials and roles.
* Not suitable.
* Option D:
* IAM web identity federation is used for applications that authenticate users via third-party identity providers.
* This is unnecessary for EC2 instances and does not align with the requirements.
* Not suitable.
Step 3: Implementation Steps
* Create an IAM Policy:
* Grant read-only access to the S3 bucket:
json
Copy code
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::your-bucket-name/*"
}
]
}
* Attach the Policy to an IAM Role:
* Create an IAM role and attach the policy to the role.
* Associate the Role with the EC2 Instance:
* Attach the role to the instance profile used by the EC2 instance.
AWS Developer References:
* IAM Roles for Amazon EC2
* Amazon S3 Permissions Reference
NEW QUESTION # 35
A developer has a legacy application that is hosted on-premises. Other applications hosted on AWS depend on the on-premises application for proper functioning. In case of any application errors, the developer wants to be able to use Amazon CloudWatch to monitor and troubleshoot all applications from one place.
How can the developer accomplish this?
Answer: D
Explanation:
Amazon CloudWatch is a service that monitors AWS resources and applications. The developer can use CloudWatch to monitor and troubleshoot all applications from one place. To do so, the developer needs to download the CloudWatch agent to the on-premises server and configure the agent to use IAM user credentials with permissions for CloudWatch. The agent will collect logs and metrics from the on-premises server and send them to CloudWatch.
Reference:
[What Is Amazon CloudWatch? - Amazon CloudWatch]
[Installing and Configuring the CloudWatch Agent - Amazon CloudWatch]
NEW QUESTION # 36
A developer is creating a serverless application that uses an AWS Lambda function. The developer will use AWS CloudFormation to deploy the application. The application will write logs to Amazon CloudWatch Logs. The developer has created a log group in a CloudFormation template for the application to use. The developer needs to modify the CloudFormation template to make the name of the log group available to the application at runtime.
Which solution will meet this requirement?
Answer: D
NEW QUESTION # 37
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