Amazon DBS-C01 Quiz 3 Topic 3 Questions 11-15

Question: 1

A company's development team needs to have production data restored in a staging AWS account. The production database is running on an Amazon RDS for

PostgreSQL Multi-AZ DB instance, which has AWS KMS encryption enabled using the default KMS key. A database specialist planned to share the most recent automated snapshot with the staging account, but discovered that the option to share snapshots is disabled in the AWS Management Console.

What should the database specialist do to resolve this?

ADisable automated backups in the DB instance. Share both the automated snapshot and the default KMS key with the staging account. Restore the snapshot in the staging account and enable automated backups.

BCopy the automated snapshot specifying a custom KMS encryption key. Share both the copied snapshot and the custom KMS encryption key with the staging account. Restore the snapshot to the staging account within the same Region.

CModify the DB instance to use a custom KMS encryption key. Share both the automated snapshot and the custom KMS encryption key with the staging account. Restore the snapshot in the staging account.

DCopy the automated snapshot while keeping the default KMS key. Share both the snapshot and the default KMS key with the staging account. Restore the snapshot in the staging account.

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Question: 2

A company is running its customer feedback application on Amazon Aurora MySQL. The company runs a report every day to extract customer feedback, and a team reads the feedback to determine if the customer comments are positive or negative. It sometimes takes days before the company can contact unhappy customers and take corrective measures. The company wants to use machine learning to automate this workflow.

Which solution meets this requirement with the LEAST amount of effort?

AExport the Aurora MySQL database to Amazon S3 by using AWS Database Migration Service (AWS DMS). Use Amazon Comprehend to run sentiment analysis on the exported files.

BExport the Aurora MySQL database to Amazon S3 by using AWS Database Migration Service (AWS DMS). Use Amazon SageMaker to run sentiment analysis on the exported files.

CSet up Aurora native integration with Amazon Comprehend. Use SQL functions to extract sentiment analysis.

DSet up Aurora native integration with Amazon SageMaker. Use SQL functions to extract sentiment analysis.

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Question: 3

An Amazon RDS EBS-optimized instance with Provisioned IOPS (PIOPS) storage is using less than half of its allocated IOPS over the course of several hours under constant load. The RDS instance exhibits multi-second read and write latency, and uses all of its maximum bandwidth for read throughput, yet the instance uses less than half of its CPU and RAM resources.

What should a Database Specialist do in this situation to increase performance and return latency to subsecond levels?

AIncrease the size of the DB instance storage

BChange the underlying EBS storage type to General Purpose SSD (gp2)

CDisable EBS optimization on the DB instance

DChange the DB instance to an instance class with a higher maximum bandwidth

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Question: 4

For the first time, a database professional is establishing a test graph database on Amazon Neptune. The database expert must input millions of rows of test observations from an Amazon S3.csv file. The database professional uploaded the data to the Neptune DB instance through a series of API calls.

Which sequence of actions enables the database professional to upload the data most quickly? (Select three.)

AEnsure Amazon Cognito returns the proper AWS STS tokens to authenticate the Neptune DB instance to the S3 bucket hosting the CSV file.

BEnsure the vertices and edges are specified in different .csv files with proper header column formatting.

CUse AWS DMS to move data from Amazon S3 to the Neptune Loader.

DCurl the S3 URI while inside the Neptune DB instance and then run the addVertex or addEdge commands.

EEnsure an IAM role for the Neptune DB instance is configured with the appropriate permissions to allow access to the file in the S3 bucket.

FCreate an S3 VPC endpoint and issue an HTTP POST to the databases loader endpoint.

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Question: 5

A company is writing a new survey application to be used with a weekly televised game show. The application will be available for 2 hours each week. The company expects to receive over 500,000 entries every week, with each survey asking 2-3 multiple choice Question:s of each user. A Database Specialist needs to select a platform that is highly scalable for a large number of concurrent writes to handle he anticipated volume.

Which AWS services should the Database Specialist consider? (Choose two.)

AAmazon DynamoDB

BAmazon Redshift

CAmazon Neptune

DAmazon Elasticsearch Service

EAmazon ElastiCache

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Amazon DBS-C01 Quiz:3 Topic:3 Questions:11-15