AWS-DA(181-190)
AWS Data Analytics Quiz
Test your knowledge about AWS Data Analytics and related services with this comprehensive quiz. Perfect for developers, students, and IT professionals who want to deepen their understanding of AWS capabilities.
- 10 carefully crafted questions
- Covers a diverse range of AWS topics
- Challenging yet insightful
Amazon Kinesis Data Streams enables an application to ingest and handle huge streams of data records in real time. Utilizing the Amazon Kinesis Client Library, Amazon EC2 instances ingest and process data from the shards of the Kinesis data stream (KCL). The program manages failure situations and eliminates the need for backup personnel. The program indicates that a particular shard is getting much more data than anticipated. The €hot€ shard is resharded to react to variations in the pace of data flow. If the initial number of shards in the Kinesis data stream is four, and the number of shards increases to six after resharding, what is the maximum number of EC2 instances that can be deployed to process data from all the shards?
A. 12
B. 6
C. 4
D. 1
A developer is constructing a template for the AWS Serverless Application Model (AWS SAM). Multiple AWS Lambda functions, an Amazon S3 bucket, and an Amazon CloudFront distribution are defined in the AWS SAM template. One of the Lambda functions is executed on the CloudFront distribution's Lambda@Edge. The S3 bucket is specified as the CloudFront distribution's origin. While the developer installs the AWS SAM template in the eu-west-1 Region, the developer encounters an error when attempting to create the stack. What may have precipitated this problem?
A. CloudFront distributions can be created only in the us-east-1 Region.
B. Lambda@Edge functions can be created only in the us-east-1 Region.
C. A single AWS SAM template cannot contain multiple Lambda functions.
D. The CloudFront distribution and the S3 bucket cannot be created in the same Region.
A business provides services to a large number of downstream customers. Each customer has the option of connecting to one or more services. As a result, a complicated architecture that is difficult to manage and scales poorly has emerged. To administer various customer services, the organization requires a single interface. Which AWS service should this architecture be refactored with?
A. AWS Lambda
B. AWS X-Ray
C. Amazon SQS
D. Amazon API Gateway
A corporation has automated their release pipelines using AWS CodePipeline. The development team is currently developing an AWS Lambda function that will deliver alerts when the status of each stage's action changes. How do I correlate the Lambda function with the event source?
A. Create a trigger that invokes the Lambda function from the Lambda console by selecting CodePipeline as the event source.
B. Create an event trigger and specify the Lambda function from the CodePipeline console.
C. Create an Amazon CloudWatch alarm that monitors status changes in Code Pipeline and triggers the Lambda function.
D. Create an Amazon CloudWatch Events rule that uses CodePipeline as an event source.
On the website of a worldwide ecommerce corporation, users are encouraged to post evaluations for things they have bought. Seasonal products are available. Products are popular for a brief period of time and then go out of favor the following season. Customers provide feedback in their native tongue. A developer is using Amazon Translate to construct a new function that will translate customer feedback into more languages. The website now features hundreds of thousands of goods and millions of reviews. The majority of reviews will be seen in one or two languages. How can this new feature be implemented in the MOST cost-effective manner possible?
A. Update the application code that writes the review to the database to translate the review into all supported languages. Persist a copy of each translation in the database for future visitors.
B. Update the application code that reads the review from the database to check an Amazon ElastiCache cluster for translated reviews. If a visitor is requesting a review and language combination that is not in the cache, configure the application to translate it and store it in the cache with a TTL of 1 month.
C. Update the application code that reads the review from the database to translate the review in real time and return the translated version without persisting it.
D. Set up a database change stream to write events to a stream each time a customer writes a review. Configure an AWS Lambda function to read the events from the stream, translate the review into all supported languages, and update the review database to include all translations for future visitors.
A custom library is used by an application to perform HTTP calls directly to AWS service endpoints. The program is suffering transitory problems, which cause processes to halt when they are encountered for the first time. The application has been requested to be more robust by adding error retries and exponential backoff. How should a developer apply the modifications with the LITTLEEST amount of custom code possible?
A. Add a Retry-After HTTP header to API requests
B. Use the AWS CLI to configure the retry settings in a named profile
C. Change the custom library to retry on 5xx errors only
D. Use an AWS SDK and set retry-specific configurations
A business demands that AWS Lambda functions built by developers record problems in order for System Administrators to resolve issues more efficiently. What should developers do to address this need?
A. Publish errors to a dedicated Amazon SQS queue.
B. Create an Amazon CloudWatch Events event trigger based on certain Lambda events.
C. Report errors through logging statements in Lambda function code.
D. Set up an Amazon SNS topic that sends logging statements upon failure.
In the console, a developer transformed an existing application to an AWS Lambda function. While the application works OK on a local laptop, it fails to import a module when evaluated in the Lambda interface. Which of the following may be used to correct the error?
A. Install the missing module and specify the current directory as the target. Create a ZIP file to include all files under the current directory, and upload the ZIP file.
B. Install the missing module in a lib directory. Create a ZIP file to include all files under the lib directory, and upload the ZIP file as dependency file.
C. In the Lambda code, invoke a Linux command to install the missing modules under the /usr/lib directory.
D. In the Lambda console, create a LB_LIBRARY_PATH environment and specify the value for the system library path.
A gaming business is in the process of creating a mobile game application for the iOS and Android operating systems. This mobile game encrypts user data and keeps it locally on the device. The business wants consumers to be able to play the game on numerous devices. Without developing a backend application, the organization needs to synchronize user data across devices. Which Amazon Web Services (AWS) offering or functionality should the business use to achieve these requirements?
A. AWS Lambda@Edge
B. Amazon S3 Transfer Acceleration
C. Amazon DynamoDB Accelerator (DAX)
D. AWS Amplify with AWS AppSync
There are three separate environments in a company: development, quality assurance, and production. The company wishes to deploy its code in three stages: development, QA, and finally production. What AWS service may be used to fulfill this need?
A. Use AWS CodeCommit to create multiple repositories to deploy the application.
B. Use AWS CodeBuild to create, configure, and deploy multiple build application projects.
C. Use AWS Data Pipeline to create multiple data pipeline provisions to deploy the application.
D. Use AWS CodeDeploy to create multiple deployment groups.
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