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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 AWS Certified Developer - Associate Sample Questions (Q112-Q117):

NEW QUESTION # 112
A developer needs approval from a product owner before the developer can deploy code for an application to production. The developer uses AWS CodePipeline to deploy the application. The developer configures an Amazon Simple Notification Service (Amazon SNS) topic to send notifications to the product owner.
Which solution is the MOST operationally efficient way for the developer to receive approval from the product owner?

A. Add a manual approval action to the existing production deployment stage in CodePipeline.
Specify the SNS topic's Amazon Resource Name (ARN) while configuring the new manual approval action.
B. Edit the settings in CodePipeline. Create a new notification rule. Specify manual approval as the event that initiates the notification. Create a new notification target. Specify the SNS topic to notify the product owner. Save the notification rule.
C. Develop an AWS Step Functions state machine that sends a notification to the product owner and accepts an approval. Add a new stage to CodePipeline before the production deployment. Add the state machine as a Step Functions action to the new stage.
D. Add a new stage to CodePipeline before the production deployment. Add a manual approval action to the new stage. Add a new notification rule in the pipeline settings. Specify manual approval as the event that initiates the notification. Specify the SNS topic's Amazon Resource Name (ARN) to notify the product owner.

Answer: D

NEW QUESTION # 113
A developer is deploying an AWS Lambda function The developer wants the ability to return to older versions of the function quickly and seamlessly.
How can the developer achieve this goal with the LEAST operational overhead?

A. Use AWS CodePipeline for deployments and rollbacks.
B. Use a function alias with different versions.
C. Maintain deployment packages for older versions in Amazon S3.
D. Use AWS OpsWorks to perform blue/green deployments.

Answer: B

Explanation:
https://docs.aws.amazon.com/lambda/latest/dg/configuration-aliases.html
https://docs.aws.amazon.com/lambda/latest/dg/configuration-versions.html

NEW QUESTION # 114
A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company has set up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in.
What is the MOST operationally efficient solution that meets this requirement?

A. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Create an Amazon CloudWatch Logs log subscription filter to invoke the function based on the login status.
B. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon API Gateway API to invoke the function. Call the API from the client side when login confirmation is received.
C. Configure Amazon Cognito to stream all logs to Amazon Kinesis Data Firehose. Create an AWS Lambda function to process the streamed logs and to send the email notification based on the login status of each user.
D. Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon Cognito post authentication Lambda trigger for the function.

Answer: D

Explanation:
Explanation
Amazon Cognito user pools support Lambda triggers, which are custom functions that can be executed at various stages of the user pool workflow. A post authentication Lambda trigger can be used to perform custom actions after a user is authenticated, such as sending an email notification. Amazon SES is a cloud-based email sending service that can be used to send transactional or marketing emails. A Lambda function can use the Amazon SES API to send an email to the user's email address after the user logs in successfully. Reference: Post authentication Lambda trigger

NEW QUESTION # 115
A developer is working on an AWS Lambda function that accesses Amazon DynamoDB. The Lambda function must retrieve an item and update some of its attributes, or create the item if it does not exist. The Lambda function has access to the primary key.
Which IAM permissions should the developer request for the Lambda function to achieve this functionality?

A. dynamodb:DeleleItem
dynamodb:GetItem
dynamodb:PutItem
B. dynamodb:UpdateItem
dynamodb:GetItem
dynamodb:PutItem
C. dynamodb:GetRecords
dynamodb:PutItem
dynamodb:UpdateTable
D. dynamodb:UpdateItem
dynamodb:GetItem
dynamodb:DescribeTable

Answer: B

Explanation:
dynamodb:GetItem: This permission allows the Lambda function to retrieve an item from DynamoDB.
dynamodb:UpdateItem: This permission allows the Lambda function to update the attributes of an item in DynamoDB.
dynamodb:PutItem: This permission allows the Lambda function to create a new item if it doesn't already exist in the DynamoDB table.

NEW QUESTION # 116
A company is building an application on AWS. The application's backend includes an Amazon API Gateway REST API. The company's frontend application developers cannot continue work until the backend API is ready for integration. The company needs a solution that will allow the frontend application developers to continue their work.
Which solution will meet these requirements in the MOST operationally efficient way?

A. Integrate a Lambda function with API Gateway and return a mocked response.
B. Configure a proxy resource for API Gateway API methods.
C. Configure mock integrations for API Gateway API methods.
D. Add new API endpoints to the API Gateway stage and returns a mocked response.

Answer: B

NEW QUESTION # 117
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