Amazon DVA-C02 Exam Questions - Real Practice Questions for Guaranteed Success

Question 1

A company is developing a serverless application by using AWS Lambda functions. One of the Lambda functions needs to access an Amazon RDS DB instance. The DB instance is in a private subnet inside a VPC.

The company creates a role that includes the necessary permissions to access the DB instance. The company then assigns the role to the Lambda function. A developer must take additional action to give the Lambda function access to the DB instance.

What should the developer do to meet these requirements?

AAssign a public IP address to the DB instance. Modify the security group of the DB instance to allow inbound traffic from the IP address of the Lambda function.

BSet up an AWS Direct Connect connection between the Lambda function and the DB instance.

CConfigure an Amazon CloudFront distribution to create a secure connection between the Lambda function and the DB instance.

DConfigure the Lambda function to connect to the private subnets in the VPC. Add security group rules to allow traffic to the DB instance from the Lambda function.

Correct : D

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AAssign a public IP address to the DB instance. Modify the security group of the DB instance to allow inbound traffic from the IP address of the Lambda function.

BSet up an AWS Direct Connect connection between the Lambda function and the DB instance.

CConfigure an Amazon CloudFront distribution to create a secure connection between the Lambda function and the DB instance.

DConfigure the Lambda function to connect to the private subnets in the VPC. Add security group rules to allow traffic to the DB instance from the Lambda function.

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Question 2

A company is planning to deploy an application on AWS behind an Elastic Load Balancing (ELB) load balancer. The application uses an HTTP/HTTPS listener and must access the client IP addresses.

Which load-balancing solution meets these requirements?

AUse an Application Load Balancer and the X-Forwarded-For headers.

BUse a Network Load Balancer (NLB). Enable proxy protocol support on the NLB and the target application.

CUse an Application Load Balancer. Register the targets by the instance ID.

DUse a Network Load Balancer and the X-Forwarded-For headers.

Correct : B

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AUse an Application Load Balancer and the X-Forwarded-For headers.

BUse a Network Load Balancer (NLB). Enable proxy protocol support on the NLB and the target application.

CUse an Application Load Balancer. Register the targets by the instance ID.

DUse a Network Load Balancer and the X-Forwarded-For headers.

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Question 3

A developer is designing an event-driven architecture. An AWS Lambda function that processes data needs to push processed data to a subset of four consumer Lambda functions. The data must be routed based on the value of one field in the data.

Which solution will meet these requirements with the LEAST operational overhead?

ACreate an Amazon Simple Queue Service {Amazon SQS) queue and even! source mapping for each consumer Lambda function. Add message routing logic to the data-processing Lambda function.

BCreate an Amazon Simple Notification Service (Amazon SNS) topic. Subscribe the four consumer Lambda functions to the topic. Add message filtering logic to each consumer Lambda function. Subscribe the data-processing Lambda function to the SNS topic.

CCreate a separate Amazon Simple Notification Service (Amazon SNS) topic and subscription for each consumer Lambda function. Add message routing logic to the data-processing Lambda function to publish to the appropriate topic.

DCreate a single Amazon Simple Notification Service {Amazon SNS) topic. Subscribe the four consumer Lambda functions to the topic. Add SNS subscription filter policies to each subscription. Configure the data-processing Lambda function to publish to the topic.

Correct : B

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ACreate an Amazon Simple Queue Service {Amazon SQS) queue and even! source mapping for each consumer Lambda function. Add message routing logic to the data-processing Lambda function.

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Question 4

A developer is building an application that processes a stream of user-supplied dat

a. The data stream must be consumed by multiple Amazon EC2 based processing applications in parallel and in real time. Each processor must be able to resume without losing data if there is a service interruption. The application architect plans to add other processors in the near future, and wants to minimize the amount of data duplication involved.

Which solution will satisfy these requirements?

APublish the data to Amazon Simple Queue Service (Amazon SQS).

BPublish the data to Amazon Data Firehose.

CPublish the data to Amazon EventBridge.

DPublish the data to Amazon Kinesis Data Streams.

Correct : D

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APublish the data to Amazon Simple Queue Service (Amazon SQS).

BPublish the data to Amazon Data Firehose.

CPublish the data to Amazon EventBridge.

DPublish the data to Amazon Kinesis Data Streams.

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Question 5

A large company has its application components distributed across multiple AWS accounts. The company needs to collect and visualize trace data across these accounts.

What should be used to meet these requirements?

AAWS X-Ray

BAmazon CloudWatch

CAmazon VPC flow logs

DAmazon OpenSearch Service

Correct : A

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AAWS X-Ray

BAmazon CloudWatch

CAmazon VPC flow logs

DAmazon OpenSearch Service

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Master Amazon DVA-C02 Exam with Reliable Practice Questions

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