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AWS Certified Developer Associate Exam DVA-C01
The AWS Certified Developer - Associate (DVA-C01) exam is designed for people who work in the developer role. The test verifies a candidate's competence to do the following tasks:
- .Demonstrate knowledge of key AWS services, applications, and basic AWS architectural best practices.
- Use AWS to demonstrate skill in creating, deploying, and troubleshooting cloud-based applications.
General IT expertise is recommended.
The following qualities should be present in the ideal candidate:
- Thorough understanding of at least one high-level programming language
- Knowledge of application lifecycle management
- Ability to build code for serverless apps
- Knowledge of container usage in the development process
Types of responses
The test contains two categories of questions:
- Multiple choice: There is one correct answer and three wrong answers (distractors)
- Multiple response: Has two or more accurate replies out of a possible five.
Exam formatting
- Total questions: 65 inquiries
- Time allowed: 2 hours
- Passing marks: 720 at least
- Language: English
- Cost: 300 USD
- Exam delivery: person VUE
Syllabus outline for DVA-C01 - AWS Certified Developer Associate Ex
Sample Questions
Question 1
A developer is exposing an API by using Amazon API Gateway and AWS Lambda as the backend for an application. The developer wants to add validation rules for a POST method to ensure that the data (rom the frontend web form is valid. The validation rules must include mandatory fields, data type, length, and regular expressions. Which solution will meet these requirements?
A. Create an API Gateway model with schema for data validation.
B. Create API Gateway HTTP request headers for data validation.
C. Create API Gateway URL query string parameters for data validation.
D. Create API Gateway URL path parameters for data validation
ANSWER : D
Question 2
A developer has built an application running on AWS Lambda using AWS Serverless Application Model (AWS SAM). What is the correct sequence of steps to successfully deploy the application?
A. 1. Build the SAM template in Amazon EC2. 2. Package the SAM template to Amazon EBS storage. 3. Deploy the SAM template from Amazon EBS.
B. 1. Build the SAM template locally. 2. Package the SAM template onto Amazon S3. 3. Deploy the SAM template from Amazon S3.
C. 1. Build the SAM template locally. 2. Deploy the SAM template from Amazon S3. 3. Package the SAM template for use.
D. 1. Build the SAM template locally. 2 Package the SAM template from AWS CodeCommit.
ANSWER : B
Question 3
An open-source map application gathers data from several geolocation APIs. The application's source code repository is public and can be used by anyone, but the geolocation APIs must not be directly accessible. A developer must implement a solution to prevent the credentials that are used to access the APIs from becoming public. The solution also must ensure that the application still functions properly. Which solution will meet these requirements MOST cost-effectively?
A. Store the credentials in AWS Secrets Manager. Retrieve the credentials by using the
GetSecretValue API operation.
B. Store the credentials in AWS Key Management Service (AWS KMS). Retrieve the credentials by using the GetPublicKey API operation.
C. Store the credentials in AWS Security Token Service (AWS STS). Retrieve the credentials by using the GetCallerldentity API operation.
D. Store the credentials in AWS Systems Manager Parameter Store. Retrieve the credentials by using the GetParameter API operation.
ANSWER : D
Question 4
An application that is running on Amazon EC2 instances stores data in an Amazon S3 bucket. All the data must be encrypted in transit. How can a developer ensure that all traffic to the S3 bucket is encrypted?
A. Install certificates on the EC2 instances.
B. Create a private VPC endpoint.
C. Configure the S3 bucket with server-side encryption with AWS KMS managed encryption keys (SSE-KMS).
D. Create an S3 bucket policy that denies traffic when the value for the aws:SecureTransport condition key is false.
ANSWER : C