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Amazon DAS-C01 Exam

Certification Provider: Amazon
Exam Name: AWS Certified Data Analytics - Specialty
Number of questions in our database: 130
Exam Version: Oct. 15, 2021
DAS-C01 Exam Official Topics:
  • Topic 1: Determine the operational characteristics of an analysis and visualization solution/ Determine the operational characteristics of the collection system
  • Topic 2: Select the appropriate data visualization solution for a given scenario/ Select a collection system that handles the frequency, volume, and source of data
  • Topic 3: Automate and operationalize a data processing solution/ Determine the operational characteristics of a storage solution for analytics
  • Topic 4: Select the appropriate data analysis solution for a given scenario/ Determine data access and retrievalpatterns2.3Selectanappropriate data layout, schema, structure, and format
  • Topic 5: Select appropriate authentication and authorization mechanisms/ Define a data life cycle based on usage patterns and business requirements
  • Topic 6: Apply data protection and encryption techniques/ Determine appropriate data processing solution requirements
  • Topic 7: Determine an appropriate system for cataloging data and managing meta data/ Apply data governance and compliance controls

Free Amazon DAS-C01 Exam Actual Questions

The questions for DAS-C01 were last updated On Oct. 15, 2021

Question #1

A hospital is building a research data lake to ingest data from electronic health records (EHR) systems from multiple hospitals and clinics. The EHR systems are independent of each other and do not have a common patient identifier. The data engineering team is not experienced in machine learning (ML) and has been asked to generate a unique patient identifier for the ingested records.

Which solution will accomplish this task?

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Correct Answer: A

Matching Records with AWS Lake Formation FindMatches


Question #2

A hospital is building a research data lake to ingest data from electronic health records (EHR) systems from multiple hospitals and clinics. The EHR systems are independent of each other and do not have a common patient identifier. The data engineering team is not experienced in machine learning (ML) and has been asked to generate a unique patient identifier for the ingested records.

Which solution will accomplish this task?

Reveal Solution Hide Solution
Correct Answer: A

Matching Records with AWS Lake Formation FindMatches


Question #3

A company has collected more than 100 TB of log files in the last 24 months. The files are stored as raw text in a dedicated Amazon S3 bucket. Each object has a key of the form year-month-day_log_HHmmss.txt where HHmmss represents the time the log file was initially created. A table was created in Amazon Athena that points to the S3 bucket. One-time queries are run against a subset of columns in the table several times an hour.

A data analyst must make changes to reduce the cost of running these queries. Management wants a solution with minimal maintenance overhead.

Which combination of steps should the data analyst take to meet these requirements? (Choose three.)

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Correct Answer: B, C, F

Section: (none)

Explanation


Question #4

A company has an application that ingests streaming dat

a. The company needs to analyze this stream over a 5-minute timeframe to evaluate the stream for anomalies with Random Cut Forest (RCF) and summarize the current count of status codes. The source and summarized data should be persisted for future use.

Which approach would enable the desired outcome while keeping data persistence costs low?

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Correct Answer: B

Question #5

An online retailer needs to deploy a product sales reporting solution. The source data is exported from an external online transaction processing (OLTP) system for reporting. Roll-up data is calculated each day for the previous day's activities. The reporting system has the following requirements:

Have the daily roll-up data readily available for 1 year.

After 1 year, archive the daily roll-up data for occasional but immediate access.

The source data exports stored in the reporting system must be retained for 5 years. Query access will be needed only for re-evaluation, which may occur within the first 90 days.

Which combination of actions will meet these requirements while keeping storage costs to a minimum? (Choose two.)

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Correct Answer: A, D


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