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Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is a highly sought-after certification in the IT industry. It is designed for developers who want to validate their skills in developing and deploying applications on the AWS platform. AWS Certified Developer - Associate certification exam is a great way to demonstrate your knowledge and expertise in AWS and its associated services.

Amazon AWS Certified Developer - Associate Sample Questions (Q144-Q149):

NEW QUESTION # 144
A company is building a content authoring application. The application has multiple user groups, such as content creator, reviewer, approver, and administrator. The company needs to assign users fine-grained permissions for specific parts of the application.
The company needs a solution to configure, maintain, and analyze user permissions. The company wants a solution that can be easily adapted to work with newer applications in the future. The company must use a third-party OpenID Connect (OIDC) identity provider (IdP) to authenticate users.

A. Configure the application to check user permissions upon request. Configure the application logic to manage user permissions.
B. Use Amazon Verified Permissions to set up user permissions. Integrate Verified Permissions with a third-party IdP. Configure the application to request authorization decisions from Verified Permissions.
C. Set up an IAM role for each user group. Assign users appropriate IAM roles. Configure the application to determine appropriate permissions for each user based on the user's IAM role.
D. Configure an Amazon Cognito identity pool for the application. Use the identity pool identities within the application to manage user permissions.

Answer: B

Explanation:
* Why Option C is Correct:Amazon Verified Permissions provides fine-grained access control capabilities, making it ideal for managing complex user permissions. It integrates with OIDC IdPs for authentication and allows applications to request authorization decisions dynamically. It is also easily adaptable to newer applications.
* Why Other Options are Incorrect:
* Option A: Cognito identity pools do not natively support fine-grained permission analysis or management.
* Option B: Managing permissions in application logic adds significant operational overhead.
* Option D: IAM roles are not designed for application-specific fine-grained access control and are more suitable for resource-level permissions.
* AWS Documentation References:
* Amazon Verified Permissions

NEW QUESTION # 145
A developer needs to deploy an application running on AWS Fargate using Amazon ECS The application has environment variables that must be passed to a container for the application to initialize.
How should the environment variables be passed to the container?

A. Define an array that includes the environment variables under the environment parameter within the task definition.
B. Define an array that includes the environment variables under the environment parameter within the service definition.
C. Define an array that includes the environment variables under the entryPoint parameter within the service definition.
D. Define an array that includes the environment variables under the entryPoint parameter within the task definition.

Answer: A

Explanation:
Explanation
This solution allows the environment variables to be passed to the container when it is launched by AWS Fargate using Amazon ECS. The task definition is a text file that describes one or more containers that form an application. It contains various parameters for configuring the containers, such as CPU and memory requirements, network mode, and environment variables. The environment parameter is an array of key-value pairs that specify environment variables to pass to a container. Defining an array that includes the environment variables under the entryPoint parameter within the task definition will not pass them to the container, but use them as command-line arguments for overriding the default entry point of a container.
Defining an array that includes the environment variables under the environment or entryPoint parameter within the service definition will not pass them to the container, but cause an error because these parameters are not valid for a service definition.

NEW QUESTION # 146
A company deploys a new application to AWS. The company is streaming application logs to Amazon CloudWatch Logs. The company's development team must receive notification by email when the word
"ERROR" appears in any log lines. A developer sets up an Amazon SNS topic and subscribes the development team to the topic.
What should the developer do next to meet the requirements?

A. Create a CloudWatch alarm that includes "ERROR" as a filter pattern, a log group dimension that defines the appropriate log group, and a destination that notifies the SNS topic.
B. Select the appropriate log group. Create an SNS subscription filter with "ERROR" as the filter pattern.
Select the SNS topic as the destination.
C. In CloudWatch Logs Insights, select the appropriate log group. Create a metric query to search for the term "ERROR" in the logs. Create an alarm on this metric that notifies the SNS topic when the metric is
1 or higher.
D. Select the appropriate log group. Create a CloudWatch metric filter with "ERROR" as the search term.
Create an alarm on this metric that notifies the SNS topic when the metric is 1 or higher.

Answer: D

Explanation:
* Why Option A is Correct:Creating a CloudWatch metric filter with "ERROR" as the search term ensures that occurrences of the word "ERROR" in logs are counted. An alarm can then be set to notify the SNS topic when the count exceeds 1. This is the standard approach to monitor specific patterns in CloudWatch Logs.
* Why Other Options are Incorrect:
* Option B: CloudWatch Logs Insights is used for querying logs manually and does not integrate directly with alarms for automated notifications.
* Option C: SNS subscription filters are not a feature for filtering log patterns in CloudWatch Logs.
* Option D: CloudWatch alarms do not directly include log filter patterns; a metric filter is needed to create the metric first.
* AWS Documentation References:
* Creating CloudWatch Metric Filters

NEW QUESTION # 147
A company runs a payment application on Amazon EC2 instances behind an Application Load Balance. The EC2 instances run in an Auto Scaling group across multiple Availability Zones. The application needs to retrieve application secrets during the application startup and export the secrets as environment variables. These secrets must be encrypted at rest and need to be rotated every month.
Which solution will meet these requirements with the LEAST development effort?

A. Save the secrets as strings in AWS Systems Manager Parameter Store and use the default AWS Key Management Service (AWS KMS) key. Configure an Amazon EC2 user data script to retrieve the secrets during the startup and export as environment variables. Configure an AWS Lambda function to rotate the secrets in Parameter Store every month.
B. Store the secrets in AWS Secrets Manager. Provision a new customer master key. Use the key to encrypt the secrets. Enable automatic rotation. Configure an Amazon EC2 user data script to programmatically retrieve the secrets during the startup and export as environment variables.
C. Save the secrets in a text file and store the text file in Amazon S3. Provision a customer managed key. Use the key for secret encryption in Amazon S3. Read the contents of the text file and read the export as environment variables. Configure S3 Object Lambda to rotate the text file every month.
D. Save the secrets as base64 encoded environment variables in the application properties.
Retrieve the secrets during the application startup. Reference the secrets in the application code.
Write a script to rotate the secrets saved as environment variables.

Answer: B

NEW QUESTION # 148
An developer is building a serverless application by using the AWS Serverless Application Model (AWS SAM). The developer is currently testing the application in a development environment. When the application is nearly finsihed, the developer will need to set up additional testing and staging environments for a quality assurance team.
The developer wants to use a feature of the AWS SAM to set up deployments to multiple environments.
Which solution will meet these requirements with the LEAST development effort?

A. Use the existing AWS SAM template. Add additional parameters to configure specific attributes for the serverless function and database table resources that are in each environment. Deploy updates to the testing and staging environments by using the sam deploy command.
B. Add a configuration file in TOML format to group configuration entries to every environment. Add a table for each testing and staging environment. Deploy updates to the environments by using the sam deploy command and the --config-env flag that corresponds to the each environment.
C. Create additional AWS SAM templates for each testing and staging environment. Write a custom shell script that uses the sam deploy command and the --template-file flag to deploy updates to the environments.
D. Create one AWS SAM configuration file that has default parameters. Perform updates to the testing and staging environments by using the -parameter-overrides flag in the AWS SAM CLI and the parameters that the updates will override.

Answer: B

Explanation:
The correct answer is A. Add a configuration file in TOML format to group configuration entries to every environment. Add a table for each testing and staging environment. Deploy updates to the environments by using the sam deploy command and the --config-env flag that corresponds to the each environment.
A: Add a configuration file in TOML format to group configuration entries to every environment. Add a table for each testing and staging environment. Deploy updates to the environments by using the sam deploy command and the --config-env flag that corresponds to the each environment. This is correct.This solution will meet the requirements with the least development effort, because it uses a feature of the AWS SAM CLI that supports a project-level configuration file that can be used to configureAWS SAM CLI command parameter values1.The configuration file can have multiple environments, each with its own set of parameter values, such as stack name, region, capabilities, and more2.The developer can use the --config-env option to specify which environment to use when deploying the application3. This way, the developer can avoid creating multiple templates or scripts, or manually overriding parameters for each environment.
B: Create additional AWS SAM templates for each testing and staging environment. Write a custom shell script that uses the sam deploy command and the --template-file flag to deploy updates to the environments.
This is incorrect. This solution will not meet the requirements with the least development effort, because it requires creating and maintaining multiple templates and scripts for each environment. This can introduce duplication, inconsistency, and complexity in the deployment process.
C: Create one AWS SAM configuration file that has default parameters. Perform updates to the testing and staging environments by using the -parameter-overrides flag in the AWS SAM CLI and the parameters that the updates will override. This is incorrect. This solution will not meet the requirements with the least development effort, because it requires manually specifying and overriding parameters for each environment every time the developer deploys the application. This can be error-prone, tedious, and inefficient.
D: Use the existing AWS SAM template. Add additional parameters to configure specific attributes for the serverless function and database table resources that are in eachenvironment. Deploy updates to the testing and staging environments by using the sam deploy command. This is incorrect. This solution will not meet the requirements with the least development effort, because it requires modifying the existing template and adding complexity to the resource definitions for each environment. This can also make it difficult to manage and track changes across different environments.

NEW QUESTION # 149
......

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