Amazon DVA-C02 Exam

Certification Provider: Amazon

Exam Name: AWS Certified Developer - Associate

Number of questions in our database: 65

Exam Version: Mar. 14, 2023

DVA-C02 Exam Official Topics:

Topic 1: Single Topic

Free Amazon DVA-C02 Exam Actual Questions

The questions for DVA-C02 were last updated On Mar. 14, 2023

Question #1

A developer is writing an AWS Lambda function. The developer wants to log key events that occur while the Lambda function runs. The developer wants to include a unique identifier to associate the events with a specific function invocation. The developer adds the following code to the Lambda function:

Which solution will meet this requirement?

AObtain the request identifier from the AWS request ID field in the context object. Configure the application to write logs to standard output.

BObtain the request identifier from the AWS request ID field in the event object. Configure the application to write logs to a file.

CObtain the request identifier from the AWS request ID field in the event object. Configure the application to write logs to standard output.

DObtain the request identifier from the AWS request ID field in the context object. Configure the application to write logs to a file.

Reveal Solution

Correct Answer: D

Question #2

A company is using an AWS Lambda function to process records from an Amazon Kinesis data stream. The company recently observed slow processing of the records. A developer notices that the iterator age metric for the function is increasing and that the Lambda run duration is constantly above normal.

Which actions should the developer take to increase the processing speed? (Choose two.)

AIncrease the number of shards of the Kinesis data stream.

BDecrease the timeout of the Lambda function.

CIncrease the memory that is allocated to the Lambda function.

DDecrease the number of shards of the Kinesis data stream.

EIncrease the timeout of the Lambda function.

Reveal Solution

Correct Answer: A, C

Question #3

A company needs to harden its container images before the images are in a running state. The company's application uses Amazon Elastic Container Registry (Amazon ECR) as an image registry. Amazon Elastic Kubernetes Service (Amazon EKS) for compute, and an AWS CodePipeline pipeline that orchestrates a continuous integration and continuous delivery (CI/CD) workflow.

Dynamic application security testing occurs in the final stage of the pipeline after a new image is deployed to a development namespace in the EKS cluster. A developer needs to place an analysis stage before this deployment to analyze the container image earlier in the CI/CD pipeline.

Which solution will meet these requirements with the MOST operational efficiency?

ABuild the container image and run the docker scan command locally. Mitigate any findings before pushing changes to the source code repository. Write a pre-commit hook that enforces the use of this workflow before commit.

BCreate a new CodePipeline stage that occurs after the container image is built. Configure ECR basic image scanning to scan on image push. Use an AWS Lambda function as the action provider. Configure the Lambda function to check the scan results and to fail the pipeline if there are findings.

CCreate a new CodePipeline stage that occurs after source code has been retrieved from its repository. Run a security scanner on the latest revision of the source code. Fail the pipeline if there are findings.

DAdd an action to the deployment stage of the pipeline so that the action occurs before the deployment to the EKS cluster. Configure ECR basic image scanning to scan on image push. Use an AWS Lambda function as the action provider. Configure the Lambda function to check the scan results and to fail the pipeline if there are findings.

Reveal Solution

Correct Answer: D

Question #4

A developer is testing a new file storage application that uses an Amazon CloudFront distribution to serve content from an Amazon S3 bucket. The distribution accesses the S3 bucket by using an origin access identity (OAI). The S3 bucket's permissions explicitly deny access to all other users.

The application prompts users to authenticate on a login page and then uses signed cookies to allow users to access their personal storage directories. The developer has configured the distribution to use its default cache behavior with restricted viewer access and has set the origin to point to the S3 bucket. However, when the developer tries to navigate to the login page, the developer receives a 403 Forbidden error.

The developer needs to implement a solution to allow unauthenticated access to the login page. The solution also must keep all private content secure.

Which solution will meet these requirements?

AAdd a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged.

BAdd a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to *, and make viewer access restricted. Change the default cache behavior's path pattern to the path of the login page, and make viewer access unrestricted.

CAdd a second origin as a failover origin to the default cache behavior. Point the failover origin to the S3 bucket. Set the path pattern for the primary origin to *, and make viewer access restricted. Set the path pattern for the failover origin to the path of the login page, and make viewer access unrestricted.

DAdd a bucket policy to the S3 bucket to allow read access. Set the resource on the policy to the Amazon Resource Name (ARN) of the login page object in the S3 bucket. Add a CloudFront function to the default cache behavior to redirect unauthorized requests to the login page's S3 URL.

Reveal Solution

Correct Answer: A

Question #5

A developer is using AWS Amplify Hosting to build and deploy an application. The developer is receiving an increased number of bug reports from users. The developer wants to add end-to-end testing to the application to eliminate as many bugs as possible before the bugs reach production.

Which solution should the developer implement to meet these requirements?

ARun the amplify add test command in the Amplify CLI.

BCreate unit tests in the application. Deploy the unit tests by using the amplify push command in the Amplify CLI.

CAdd a test phase to the amplify.yml build settings for the application.

DAdd a test phase to the aws-exports.js file for the application.

Reveal Solution

Correct Answer: C

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