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Microsoft Azure Data Fundamentals
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QUESTION 1
Your company is designing a database that will contain session data for a website. The data will include notifications, personalization attributes, and products that are added to a shopping cart. Which type of data store will provide the lowest latency to retrieve the data? A. key/value B. graph C. columnar D. document Correct Answer: C Reference: https://docs.microsoft.com/en-us/azure/architecture/data-guide/technology-choices/analytical-data-stores
QUESTION 2 A bank needs to ensure that a transaction involving debiting funds from a source account and crediting the same funds to a destination account must complete both actions. If either action falls to complete, the other action must fail. Of which ACID semantic is this an example? A. consistency B. durability C. atomicity D. isolation Correct Answer: C
QUESTION 3 You have an on-premises Microsoft SQL Server database. You need to migrate the database to the cloud. The solution must meet the following requirements:
Minimize maintenance effort.
Support the Database Mail and Service Broker features. What should you include in the solution? A. Azure SQL Database single database
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Correct Answer:
QUESTION 6
Your company is designing an application that will write a high volume of JSON data and will have an application- defined schema. Which type of data store should you use? A. columnar B. key/value C. document D. graph Correct Answer: B A key/value store associates each data value with a unique key. An application can store arbitrary data as a set of values. Any schema information must be provided by the application. The key/value store simply retrieves or stores the value by key. Reference: https://docs.microsoft.com/en-us/azure/architecture/guide/technology-choices/data-store-overview
QUESTION 7
What is a characteristic of non-relational data?
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A. a well-defined schema B. no indexes C. self-describing entities D. no unique key values Correct Answer: D
QUESTION 8 HOTSPOT Select the answer that correctly completes the sentence. Hot Area:
Correct Answer:
QUESTION 9
HOTSPOT
For each of the following statements. select Yes if the statement is true. Otherwise, select No. NOTE Each correct selection is worth one point. Hot Area:
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Correct Answer:
Generally speaking, data analytics comes in four types (Figure 1):
Descriptive, to answer the question: What\'s happening?
Diagnostic, to answer the question: Why\'s happening?
Predictive, to answer the question: What will happen?
Prescriptive, to answer the question: What actions should we take? Reference: https://azure.microsoft.com/en-us/blog/answering-whats-happening-whys-happening-and-what-will-happen- with-iot-analytics/
QUESTION 12
HOTSPOT
Select the answer that correctly completes the sentence. Hot Area:
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Correct Answer:
QUESTION 13
HOTSPOT
For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Hot Area:
