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Reliable DVA-C02 Study Notes & DVA-C02 Test Questions Vce

This format is for candidates who do not have the time or energy to use a computer or laptop for preparation. Amazon DVA-C02 PDF file includes real Amazon DVA-C02 questions, and they can be easily printed and studied at any time. VCEEngine regularly updates its PDF file to ensure that its readers have access to the updated questions.

Amazon DVA-C02 Exam covers a wide range of topics, including AWS core services such as EC2, S3, and RDS, as well as developer-focused services such as AWS Lambda, AWS Elastic Beanstalk, and AWS CloudFormation. Candidates are also tested on their knowledge of programming languages such as Java, Python, and JavaScript, as well as modern application development practices such as DevOps, continuous integration and delivery, and serverless architecture.

Amazon AWS Certified Developer - Associate Sample Questions (Q401-Q406):

NEW QUESTION # 401
A developer accesses AWS CodeCommit over SSH. The SSH keys configured to access AWS CodeCommit are tied to a user with the following permissions:

The developer needs to create/delete branches.
Which specific IAM permissions need to be added, based on the principle of least privilege?

Answer: B

Explanation:
https://docs.aws.amazon.com/codecommit/latest/userguide/auth-and-access-control-permissions- reference.html#aa-branches


NEW QUESTION # 402
A company runs a web application on Amazon EC2 instances behind an Application Load Balancer. The application uses Amazon DynamoDB as its database. The company wants to ensure high performance for reads and writes.
Which solution will meet these requirements MOST cost-effectively?

Answer: D

Explanation:
Comprehensive Detailed Explanation with all AWS Reference
Why Option A is Correct:
Auto-scaling with a target utilization ensures the DynamoDB table dynamically adjusts capacity based on workload, maintaining high performance while optimizing cost. Setting a reasonable target utilization minimizes overprovisioning and throttling risks.
Why Other Options are Incorrect:
Option B: On-demand capacity is costlier than provisioned throughput for predictable workloads.
Option C: Using manual CloudWatch alarms and Lambda for scaling is less efficient and adds operational overhead.
Option D: DAX accelerates read performance but does not improve write performance.
AWS Documentation Reference:
DynamoDB Auto Scaling


NEW QUESTION # 403
A company has an AWS Step Functions state machine named myStateMachine. The company configured a service role for Step Functions. The developer must ensure that only the myStateMachine state machine can assume the service role.
Which statement should the developer add to the trust policy to meet this requirement?

Answer: A

Explanation:
Why Option A is Correct:
The ArnLike condition with the specific ARN for myStateMachine ensures that only this state machine can assume the role. The format urn:aws:states is correct for specifying Step Functions resources.
Why Other Options are Incorrect:
Option B: Wildcards (*) in the ARN allow more resources to assume the role, which violates the requirement.
Option C: This condition restricts the account but not the specific state machine.
Option D: A StringNotEquals condition is used to deny specific values, which does not ensure exclusivity for the desired state machine.
AWS Documentation References:
IAM Trust Policies for Step Functions


NEW QUESTION # 404
A company runs an application on an Amazon ECS cluster behind an Application Load Balancer (ALB). The company deploys an Amazon API Gateway HTTP API in front of the ALB. The company configures a single integration with the ALB for all routes. The company enables the auto-deploy option for the HTTP API.
The company is testing the application in a staging environment. The company wants to append a fixed HTTP header to all incoming requests for the /testing route.
Which solution will meet this requirement?

Answer: C

Explanation:
To append a fixed HTTP header only for the /testing route, creating a new API Gateway integration specific to that route and adding a request parameter that maps to the required header allows precise control without affecting other routes.


NEW QUESTION # 405
A developer has been asked to create an AWS Lambda function that is invoked any time updates are made to items in an Amazon DynamoDB table. The function has been created, and appropriate permissions have been added to the Lambda execution role. Amazon DynamoDB streams have been enabled for the table, but the function is still not being invoked.
Which option would enable DynamoDB table updates to invoke the Lambda function?

Answer: B

Explanation:
https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html


NEW QUESTION # 406
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