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70-768試験番号:70-768 模擬試験
試験科目:「Developing SQL Data Models」
最近更新時間:2017-06-02
問題と解答:38

>> 70-768 模擬試験

 

NO.1 Note: This question is part of a series of questions that present the same scenario. Each
question in the series contains a unique solution. Determine whether the solution meets the stated
goals.
A company has an e-commerce website. When a customer places an order, information about the
transaction is inserted into tables in a Microsoft SQL Server relational database named OLTP1. The
company has a SQL Server Analysis Services (SSAS) instance that is configured to use Tabular mode.
SSAS uses data from OLTP1 to populate a data model.
Sales analysts build reports based on the SSAS model. Reports must be able to access data as soon as
it is available in the relational database.
You need to configure and deploy an Analysis Services project to the Analysis Services instance that
allows near real-time data source access.
Solution: In the Deployment Option property for the report, you set the Query Mode to InMemory
with DirectQuery.
Does the solution meet the goal?
A. Yes
B. No
Answer: B

70-768 認証   
Explanation:
With InMemory with DirectQuery: Queries use the cache by default, unless otherwise specified in the
connection string from the client.
References: https://msdn.microsoft.com/en-us/library/hh230898(v=sql.120).aspx

NO.2 Note: This question is part of a series of questions that present the same scenario. Each
question in the series contains a unique solution. Determine whether the solution meets the stated
goals.
You have an existing multidimensional cube that provides sales analysis. The users can slice by date,
product, location, customer, and employee.
The management team plans to evaluate sales employee performance relative to sales targets. You
identify the following metrics for employees:
You need to implement the KPI based on the Status expression.
Solution: You design the following solution:
Does the solution meet the goal?
A. Yes
B. No
Answer: B

70-768 改訂   

NO.3 DRAG DROP
You are a business analyst for a company that uses a Microsoft SQL Server Analysis
Services (SSAS) tabular database for reporting. The database model contains the following tables:
You have been asked to write a query for a report that returns the total sales for each product
subcategory, as well as for each product category.
You need to write the query to return the data for the report.
How should you complete the DAX statement? To answer, drag the appropriate DAX segment to the
correct locations. Each DAX segment may be used once, more than once, or not at all. You may need
to drag the split bar between panes or scroll to view content.
Answer:
Explanation:
Box 1:EVALUATE
Box 2:SUMMERIZE
Box 3:ROLLUP
Box 4:'Product Subcategory' ['Product Subcategory Name]
Note: The behavior of SUMMARIZE is similar to the GROUP BY syntax of a SELECT statement in SQL.
For example, consider the following query.
EVALUATE
SUMMARIZE(
'Internet Sales',
'Internet Sales'[Order Date],
"Sales Amount", SUM( 'Internet Sales'[Sales Amount] )
)
This query calculates the total of Sales Amount for each date in which there is at least one order,
producing this result.
References:

NO.4 DRAG DROP
You need to create the cube processing job and the dimension processing job.
Which processing task should you use for each job? To answer, drag the appropriate processing tasks
to the correct locations. Each processing task may be used once, more than once, or not at all. You
may need to drag the split bar between panes or scroll to view content.
Answer:
Explanation:
Box 1: ProcessData
Processes data only without building aggregations or indexes. If there is data is in the partitions, it
will be dropped before re-populating the partition with source data.
Box 2: Process Update
Forces a re-read of data and an update of dimension attributes. Flexible aggregations and indexes on
related partitions will be dropped.
References:https://docs.microsoft.com/en-us/sql/analysis-services/multidimensional-
models/processing-options-and-settings-analysis-services

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