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Amazon DVA-C02 Practice Test - Questions Answers, Page 28

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Question 271

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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?

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Question 272

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A developer is building an application that processes a stream of user-supplied data. 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?

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Question 273

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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?

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Question 274

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A developer must cache dependent artifacts from Maven Central, a public package repository, as part of an application's build pipeline. The build pipeline has an AWS CodeArtifact repository where artifacts of the build are published. The developer needs a solution that requires minimum changes to the build pipeline.

Which solution meets these requirements?

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Question 275

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A company is providing read access to objects in an Amazon S3 bucket for different customers. The company uses 1AM permissions to restrict access to the S3 bucket. The customers can access only their own files.

Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.

Which solution will meet these requirements?

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Question 276

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A team is developing an application that is deployed on Amazon EC2 instances. During testing, the team receives an error. The EC2 instances are unable to access an Amazon S3 bucket.

Which steps should the team take to troubleshoot this issue? (Select TWO.)

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Question 277

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A developer created several AWS Lambda functions that write data to a single Amazon S3 bucket. The developer configured all the Lambda functions to send logs and metrics to Amazon CloudWatch.

The developer receives reports that one of the Lambda functions writes data to the bucket very slowly. The developer needs to measure the latency between the problematic Lambda function and the S3 bucket.

Which solution will meet this requirement?

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Question 278

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A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

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Question 279

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A company's application has an AWS Lambda function that processes messages from loT devices. The company wants to monitor the Lambda function to ensure that the Lambda function is meeting its required service level agreement (SLA).

A developer must implement a solution to determine the application's throughput in near real time. The throughput must be based on the number of messages that the Lambda function receives and processes in a given time period. The Lambda function performs initialization and post-processing steps that must not factor into the throughput measurement.

What should the developer do to meet these requirements?

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Question 280

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A developer is using AWS CodeDeploy to launch an application onto Amazon EC2 instances. The application deployment fails during testing. The developer notices an IAM_ROLE_PERMISSIONS error code in Amazon CloudWatch logs.

What should the developer do to resolve the error?

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