VALID AMAZON DVA-C02 STUDY NOTES | DVA-C02 PDF DUMPS

Valid Amazon DVA-C02 Study Notes | DVA-C02 Pdf Dumps

Valid Amazon DVA-C02 Study Notes | DVA-C02 Pdf Dumps

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Amazon AWS Certified Developer - Associate Sample Questions (Q198-Q203):

NEW QUESTION # 198
A company notices that credentials that the company uses to connect to an external software as a service (SaaS) vendor are stored in a configuration file as plaintext.
The developer needs to secure the API credentials and enforce automatic credentials rotation on a quarterly basis.
Which solution will meet these requirements MOST securely?

  • A. Store the credentials in AWS Secrets Manager and enable rotation. Configure the API to have Secrets Manager access.
  • B. Store the credentials in AWS Systems Manager Parameter Store and enable rotation. Retrieve the credentials when users make API calls to the SaaS vendor.
  • C. Use AWS Key Management Service (AWS KMS) to encrypt the configuration file. Decrypt the configuration file when users make API calls to the SaaS vendor. Enable rotation.
  • D. Retrieve temporary credentials from AWS Security Token Service (AWS STS) every 15 minutes. Use the temporary credentials when users make API calls to the SaaS vendor.

Answer: A

Explanation:
Explanation
Store the credentials in AWS Secrets Manager and enable rotation. Configure the API to have Secrets Manager access. This is correct. This solution will meet the requirements most securely, because it uses a service that is designed to store and manage secrets such as API credentials. AWS Secrets Manager helps you protect access to your applications, services, and IT resources by enabling you to rotate, manage, and retrieve secrets throughout their lifecycle1. You can store secrets such as passwords, database strings, API keys, and license codes as encrypted values2. You can also configure automatic rotation of your secrets on a schedule that you specify3. You can use the AWS SDK or CLI to retrieve secrets from Secrets Manager when you need them4. This way, you can avoid storing credentials in plaintext files or hardcoding them in your code.


NEW QUESTION # 199
A developer is building an application integrating an Amazon API Gateway with an AWS Lambda function. When calling the API, the developer receives the following error:
Wed Nov 08 01:13:00 UTC 2017 : Method completed with status: 502
What should the developer do to resolve the error?

  • A. Change the format of the payload sent to the API Gateway.
  • B. Change the format of the Lambda function response to the API call.
  • C. Change the authorization header in the API call to access the Lambda function.
  • D. Change the HTTP endpoint of the API to an HTTPS endpoint.

Answer: B


NEW QUESTION # 200
A developer at a company writes an AWS CloudFormation template. The template refers to subnets that were created by a separate AWS CloudFormation template that the company's network team wrote. When the developer attempts to launch the stack for the first time, the launch fails.
Which template coding mistakes could have caused this failure? (Choose two.)

  • A. The Mappings section of the developer's template does not refer to the subnets.
  • B. The developer's template does not use the Ref intrinsic function to refer to the subnets.
  • C. The developer's template does not use the ImportValue intrinsic function to refer to the subnets.
  • D. The network team's template does not export the subnets in the Mappings section.
  • E. The network team's template does not export the subnets in the Outputs section.

Answer: C,E


NEW QUESTION # 201
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?

  • A. Modify the IAM policy resource to be "arn aws dynamo* us-west-2 account-id table/*"
  • B. Create a trust relationship between the role and dynamodb Amazonas com.
  • C. Create a trust policy that specifies the EC2 service principal. Associate the role with the policy.
  • D. Modify the IAM policy to include the dynamodb * action

Answer: C

Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/access-control-overview.html#access-control-resource-ownership


NEW QUESTION # 202
A company has deployed infrastructure on AWS. A development team wants to create an AWS Lambda function that will retrieve data from an Amazon Aurora database. The Amazon Aurora database is in a private subnet in company's VPC. The VPC is named VPC1. The data is relational in nature. The Lambda function needs to access the data securely.
Which solution will meet these requirements?

  • A. Create and launch a Lambda function in a new public subnet that is in a new VPC named VPC2. Create a peering connection between VPC1 and VPC2.
  • B. Create the Lambda function. Configure VPC1 access for the function. Attach a security group named SG1 to both the Lambda function and the database. Configure the security group inbound and outbound rules to allow TCP traffic on Port 3306.
  • C. Export the data from the Aurora database to Amazon S3. Create and launch a Lambda function in VPC1. Configure the Lambda function query the data from Amazon S3.
  • D. Create the Lambda function. Configure VPC1 access for the function. Assign a security group named SG1 to the Lambda function. Assign a second security group named SG2 to the database. Add an inbound rule to SG1 to allow TCP traffic from Port 3306.

Answer: A


NEW QUESTION # 203
......

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