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DAS-C01: AWS Certified Data Analytics - Specialty

Amazon DAS-C01 Exam Questions

Name: Amazon DAS-C01 Exam
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SKU: DAS-C01
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Exam Name: Amazon AWS Certified Data Analytics - Specialty Exam

Exam Code: DAS-C01

Related Certification(s): Amazon Specialty Certification

Certification Provider: Amazon

Number of DAS-C01 practice questions in our database: 207 (updated: 30-07-2024)

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Starr

2 years ago

Passing the Amazon AWS Certified Data Analytics - Specialty exam was a great achievement for me, and I attribute my success to using Pass4Success practice questions. The exam covered topics such as selecting a collection system that handles the frequency, volume, and source of data. One question that I found challenging was related to determining the operational characteristics of the collection system. Despite my initial uncertainty, I was able to pass the exam.

upvoted 0 times

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Burma

2 years ago

My exam experience for the Amazon AWS Certified Data Analytics - Specialty exam was successful, thanks to Pass4Success practice questions. The exam included topics like determining the operational characteristics of the collection system. One question that I remember was about selecting a collection system that handles the frequency, volume, and source of data. It required careful consideration, but I was able to choose the right answer.

upvoted 0 times

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Salena

2 years ago

Just passed the AWS Certified Data Analytics - Specialty exam! Be prepared for questions on Kinesis Data Streams throughput and scaling. Understanding shard management and partition keys is crucial. Thanks to Pass4Success for their spot-on practice questions that helped me prepare efficiently!

upvoted 0 times

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Galen

2 years ago

I recently passed the Amazon AWS Certified Data Analytics - Specialty exam with the help of Pass4Success practice questions. The exam covered topics such as determining the operational characteristics of an analysis and visualization solution. One question that stood out to me was related to selecting the appropriate data visualization solution for a given scenario. It was a challenging question, but I managed to answer it correctly.

upvoted 0 times

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Sherita

2 years ago

Alex Thompson

upvoted 0 times

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Kimberlie

2 years ago

Just passed the AWS Certified Data Analytics - Specialty exam! Big thanks to Pass4Success for their spot-on practice questions. Pay attention to Kinesis Data Streams scaling and capacity planning – the exam had tricky scenarios on optimizing throughput. Brush up on Redshift's distribution styles and sort keys; they're crucial for query performance questions. Also, don't overlook EMR cluster configurations and instance types – there were several questions on cost-effective setups for big data processing. Pass4Success really helped me prepare efficiently in a short time!

upvoted 0 times

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Free Amazon DAS-C01 Exam Actual Questions

Note: Premium Questions for DAS-C01 were last updated On 30-07-2024 (see below)

Question #1

A company's data analyst needs to ensure that queries executed in Amazon Athena cannot scan more than a prescribed amount of data for cost control purposes. Queries that exceed the prescribed threshold must be canceled immediately.

What should the data analyst do to achieve this?

AConfigure Athena to invoke an AWS Lambda function that terminates queries when the prescribed threshold is crossed.

BFor each workgroup, set the control limit for each query to the prescribed threshold.

CEnforce the prescribed threshold on all Amazon S3 bucket policies

DFor each workgroup, set the workgroup-wide data usage control limit to the prescribed threshold.

Reveal Solution Hide Solution

Correct Answer: B

https://docs.aws.amazon.com/athena/latest/ug/manage-queries-control-costs-with-workgroups.html

Question #2

A retail company has 15 stores across 6 cities in the United States. Once a month, the sales team requests a visualization in Amazon QuickSight that provides the ability to easily identify revenue trends across cities and stores. The visualization also helps identify outliers that need to be examined with further analysis.

Which visual type in QuickSight meets the sales team's requirements?

AGeospatial chart

BLine chart

CHeat map

DTree map

Reveal Solution Hide Solution

Correct Answer: A

Question #3

A company currently uses Amazon Athena to query its global datasets. The regional data is stored in Amazon S3 in the us-east-1 and us-west-2 Regions. The data is not encrypted. To simplify the query process and manage it centrally, the company wants to use Athena in us-west-2 to query data from Amazon S3 in both Regions. The solution should be as low-cost as possible.

What should the company do to achieve this goal?

AUse AWS DMS to migrate the AWS Glue Data Catalog from us-east-1 to us-west-2. Run Athena queries in us-west-2.

BRun the AWS Glue crawler in us-west-2 to catalog datasets in all Regions. Once the data is crawled, run Athena queries in us-west-2.

CEnable cross-Region replication for the S3 buckets in us-east-1 to replicate data in us-west-2. Once the data is replicated in us-west-2, run the AWS Glue crawler there to update the AWS Glue Data Catalog in us-west-2 and run Athena queries.

DUpdate AWS Glue resource policies to provide us-east-1 AWS Glue Data Catalog access to us-west-2. Once the catalog in us-west-2 has access to the catalog in us-east-1, run Athena queries in us-west-2.

Reveal Solution Hide Solution

Correct Answer: B

Question #4

A company receives datasets from partners at various frequencies. The datasets include baseline data and incremental data. The company needs to merge and store all the datasets without reprocessing the data.

Which solution will meet these requirements with the LEAST development effort?

AUse an AWS Glue job with a temporary table to process the datasets. Store the data in an Amazon RDS table.

BUse an Apache Spark job in an Amazon EMR cluster to process the datasets. Store the data in EMR File System (EMRFS).

CUse an AWS Glue job with job bookmarks enabled to process the datasets. Store the data in Amazon S3.

DUse an AWS Lambda function to process the datasets. Store the data in Amazon S3.

Reveal Solution Hide Solution

Correct Answer: C

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load data for analytics1. It can process datasets from various sources and formats, such as JDBC, Amazon S3, Amazon RDS, etc.

AWS Glue job bookmarks are a feature that helps AWS Glue track data that has already been processed during a previous run of an ETL job.This can prevent the reprocessing of old data and enable the processing of new data when rerunning on a scheduled interval2. Job bookmarks can handle both baseline data and incremental data from different sources.

Amazon S3 is a highly scalable, durable, and secure object storage service that can store any amount and type of data3. It can be used as a data lake to store the merged and processed datasets from AWS Glue. It can also integrate with other AWS services, such as Amazon Athena, Amazon Redshift Spectrum, Amazon EMR, etc., for further analysis and processing.

Question #5

A company is using an AWS Lambda function to run Amazon Athena queries against a cross-account AWS Glue Data Catalog. A query returns the following error:

HIVE METASTORE ERROR

The error message states that the response payload size exceeds the maximum allowed payload size. The queried table is already partitioned, and the data is stored in an

Amazon S3 bucket in the Apache Hive partition format.

Which solution will resolve this error?

AModify the Lambda function to upload the query response payload as an object into the S3 bucket. Include an S3 object presigned URL as the payload in the Lambda function response.

BRun the MSCK REPAIR TABLE command on the queried table.

CCreate a separate folder in the S3 bucket. Move the data files that need to be queried into that folder. Create an AWS Glue crawler that points to the folder instead of the S3 bucket.

DCheck the schema of the queried table for any characters that Athena does not support. Replace any unsupported characters with characters that Athena supports.

Reveal Solution Hide Solution

Correct Answer: A

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