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Microsoft DP-900 or Microsoft Azure Data Fundamentals Exam is an entry-level certification exam designed to validate your knowledge of fundamental concepts relating to data storage, processing, and analysis in the Microsoft Azure cloud environment. DP-900 exam is ideal for individuals who want to start their career in the data and analytics domain and wish to gain a fundamental understanding of data services on Azure.

Earning the Microsoft DP-900 Certification will not only validate your skills and knowledge in the field of data and analytics but will also help you stand out from the crowd when applying for jobs or seeking promotions within your organization. It is a great way to demonstrate your commitment to your profession and to show that you are willing to invest time and effort into your career development.

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Microsoft Azure Data Fundamentals Sample Questions (Q187-Q192):

NEW QUESTION # 187
You are using an e-commerce application that reads and writes data to an Azure SQL database.
Which processing is this application using?

A. Batch Processing
B. Online Analytical Processing (OLAP)
C. Stream Processing
D. Online Transaction Processing (OLTP)

Answer: D

Explanation:
Online Transaction Processing (OLTP) is a category of data processing that refers to the management of transactional data in real-time. OLTP involves transaction-oriented tasks such as inserting, deleting, and updating data in a database. OLTP systems mainly deal with a large number of transactions by a large number of users.
Option A is incorrect. Batch processing processes transactions in batch or group, in sequential, non-stop, often simultaneous manner. OLTP systems are preferred to manage and facilitate transaction-oriented applications.
Option B is incorrect. Stream processing focuses on the real-time processing of continuous data streams and takes action on a series of data at the time just when the data is created.
Option C is Correct. Online Transaction Processing (OLTP) is preferred for transaction-oriented tasks to manage transactional data in real-time, for e-commerce and other applications.
Option D is incorrect. Online Analytical Processing (OLAP) involves the use of complex queries for the analysis of aggregated historical data received from the OLTP systems.
Reference: To know more about the Online Transaction Processing (OLTP), refer to the documentation below from Azure:
https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/online-transaction- processing

NEW QUESTION # 188
You have a SQL query that combines customer data and order data. The query includes calculated columns.
You need to create a database object that would allow other users to rerun the same SQL query.
What should you create?

A. a table
B. a scalar function
C. an index
D. a view

Answer: D

NEW QUESTION # 189
Match the datastore services to the appropriate descriptions.
To answer, drag the appropriate service from the column on the left to its description on the right. Each service may be used once, more than once, or not at all.
NOTE: Each correct match is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql-query-working-with-json
https://cloud.netapp.com/blog/azure-smb-server-message-block-in-the-cloud-for-azure-files

NEW QUESTION # 190
Hotspot Question
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:
Box 1: Yes
Tables are database objects that contain all the data in a database. In tables, data is logically organized in a row-and-column format similar to a spreadsheet. Each row represents a unique record, and each column represents a field in the record.
Box 2: No
An index is an on-disk structure associated with a table or view that speeds retrieval of rows from the table or view.
Box 3: Yes
A view is a virtual table whose contents are defined by a query. Like a table, a view consists of a set of named columns and rows of data.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/tables/tables
https://docs.microsoft.com/en-us/sql/relational-databases/indexes/clustered-and-nonclustered- indexes-described
https://docs.microsoft.com/en-us/sql/relational-databases/views/views?view=sql-server-ver15

NEW QUESTION # 191
Match the types of visualizations to the appropriate descriptions.
To answer, drag the appropriate visualization type from the column on the left to its description on the right.
Each visualization type may be used once, more than once, or not at all.
NOTE: Each correct match is worth one point.

Answer:

Explanation:

Box 1: Tree map
Treemaps are charts of colored rectangles, with size representing value. They can be hierarchical, with rectangles nested within the main rectangles.

Box 2: Key influencer
A key influencer chart displays the major contributors to a selected result or value.
Box 3: Scatter
Scatter and Bubble charts display relationships between 2 (scatter) or 3 (bubble) quantitative measures -- whether or not, in which order, etc.

NEW QUESTION # 192
......

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