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Amazon DVA-C01 Dumps
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EXAM INFORMATION
Exam Code: DVA-C01
Exam Title: AWS Certified Developer - Associate
Vendor: Amazon
Exam Questions: 308
Amazon DVA-C01 Dumps
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SKILLS MEASURED
The Amazon DVA-C01 exam measures the ability to design, deploy, and 
maintain scalable, highly available, and fault-tolerant systems on AWS. The 
exam covers the following topics:
•Design and deploy dynamically scalable, highly available, fault-tolerant, and 
reliable applications on AWS.
•Select appropriate AWS services to meet specific business requirements.
•Migrate complex, multi-tier applications on AWS.
•Implement cost-control strategies.
•Design and maintain network architecture for all applications.
•Ensure data integrity and data security for all applications.
•Define a disaster recovery and business continuity strategy.
•Debug and troubleshoot application issues on AWS.
•Monitor and optimize AWS resource utilization and costs.
•Implement governance processes for AWS accounts, cost optimization, and 
security.
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HERE WE SHOW YOU FREE DEMO QUESTIONS
Amazon DVA-C01 Dumps
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1)  A company is migrating a legacy application to Amazon EC2. The 
application uses a user name and password stored in the source 
code to connect to a MySQL database. The database will be 
migrated to an Amazon RDS for MySQL DB instance. As part of the 
migration, the company wants to implement a secure way to store 
and automatically rotate the database credentials.
Which approach meets these requirements?
A) Store the database credentials in environment variables in an Amazon 
Machine Image (AMI). Rotate the credentials by replacing the AMI.
B) Store the database credentials in AWS Systems Manager Parameter 
Store. Configure Parameter Store to automatically rotate the credentials.
C) Store the database credentials in environment variables on the EC2 
instances. Rotate the credentials by relaunching the EC2 instances.
D) Store the database credentials in AWS Secrets Manager. Configure 
Secrets Manager to automatically rotate the credentials
ANSWER: D
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2)  A developer is designing a web application that allows the 
users to post comments and receive nearreal-time feedback.
Which architectures meet these requirements? (Select TWO.)
A) Create an AWS AppSync schema and corresponding APIs. Use an 
Amazon DynamoDB table as the data store.
B) Create a WebSocket API in Amazon API Gateway. Use an AWS Lambda 
function as the backend and an Amazon DynamoDB table as the data store.
C) Create an AWS Elastic Beanstalk application backed by an Amazon RDS 
database. Configure the application to allow long-lived TCP/IP sockets.
D) Create a GraphQL endpoint in Amazon API Gateway. Use an Amazon 
DynamoDB table as the data store.
E) Enable WebSocket on Amazon CloudFront. Use an AWS Lambda function 
as the origin and an Amazon Aurora DB cluster as the data store.
ANSWER: A,B
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3)  A developer is adding sign-up and sign-in functionality to an 
application. The application is required to make an API call to a 
custom analytics solution to log user sign-in events.
Which combination of actions should the developer take to satisfy 
these requirements? (Select TWO.)
A) Use Amazon Cognito to provide the sign-up and sign-in functionality.
B) Use AWS IAM to provide the sign-up and sign-in functionality.
C) Configure an AWS Config rule to make the API call triggered by the post-
authentication event.
D) Invoke an Amazon API Gateway method to make the API call triggered by 
the post-authentication event.
E) Execute an AWS Lambda function to make the API call triggered by the 
post-authentication event.
ANSWER: A,E
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4)  A company is using Amazon API Gateway for its REST APIs in an 
AWS account. The security team wants to allow only IAM users from 
another AWS account to access the APIs.
Which combination of actions should the security team take to 
satisfy these requirements? (Select TWO.)
A) Create an IAM permission policy and attach it to each IAM user. Set the 
APIs method authorization type to AWS_IAM. Use Signature Version 4 to sign 
the API requests.
B) Create an Amazon Cognito user pool and add each IAM user to the pool. 
Set the method authorization type for the APIs to COGNITO_USER_POOLS. 
Authenticate using the IAM credentials in Amazon Cognito and add the ID 
token to the request headers.
C) Create an Amazon Cognito identity pool and add each IAM user to the 
pool. Set the method authorization type for the APIs to 
COGNITO_USER_POOLS. Authenticate using the IAM credentials in Amazon 
Cognito and add the access token to the request headers.
D) Create a resource policy for the APIs that allows access for each IAM user 
ANonSlWy. ER: A,D
E) Create an Amazon Cognito authorizer for the APIs that allows access for 
Ameaazcohn  IDAVMA -uCs0e1r D ounmlyp. sSet the method authorization type for the APIs to 
AmCaOzGonN DITVOA-_CU0S1E ERx_aPmOsO PLDSF. https://officialqa.com/DVA-C01.html
5)  A developer is building an application that transforms text files 
to .pdf files. The text files are written to a source Amazon S3 
bucket by a separate application. The developer wants to read the 
files as they arrive in Amazon S3 and convert them to .pdf files 
using AWS Lambda. The developer has written an IAM policy to 
allow access to Amazon S3 and Amazon CloudWatch Logs.
Which actions should the developer take to ensure that the Lambda 
function has the correct permissions?
A) Create a Lambda execution role using AWS IAM. Attach the IAM policy to 
the role. Assign the Lambda execution role to the Lambda function.
B) Create a Lambda execution user using AWS IAM. Attach the IAM policy to 
the user. Assign the Lambda execution user to the Lambda function.
C) Create a Lambda execution role using AWS IAM. Attach the IAM policy to 
the role. Store the IAM role as an environment variable in the Lambda 
function.
D) Create a Lambda execution user using AWS IAM. Attach the IAM policy to 
the user. Store the IAM user credentials as environment variables in the 
ANLaSmWbEdRa :f uAnction.
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