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Microsoft DP-900 Practice Test - Questions Answers, Page 15

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DRAG DROP Your company plans to load data from a customer relationship management (CRM) system to a data warehouse by using an extract, load, and transform (ELT) process. Where does data processing occur for each stage of the ELT process? To answer, drag the appropriate locations to the correct stages. Each location 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. NOTE: Each correct selection is worth one point.
DRAG DROP Match the database normalization terms to the appropriate descriptions. To answer, drag the appropriate term from the column on the left to its description on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.
DRAG DROP Match the Azure Data Lake Storage terms to the appropriate levels in the hierarchy. To answer, drag the appropriate term from the column on the left to its level on the right. Each term may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.
HOTSPOT To complete the sentence, select the appropriate option in the answer area.
Which clause should you use in a SELECT statement to combine rows in one table with rows in another table?
You need to create a visualization of running sales totals per quarter as shown in the following exhibit. What should you create in Power BI Desktop?
You have an application that runs on Windows and requires access to a mapped drive. Which Azure service should you use?
HOTSPOT Select the answer that correctly completes the sentence.
DRAG DROP You have a table named Sales that contains the following data. You need to query the table to return the average sales amount per day. The output must produce the following results. How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value 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. NOTE: Each correct selection is worth one point.
DRAG DROP Match the types of activities to the appropriate Azure Data Factory activities. To answer, drag the appropriate activity type from the column on the left to its Data Factory activity on the right. Each activity type may be used once, more than once, or not at all. NOTE: Each correct match is worth one point.

Question 141

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You need to create an Azure Storage account.

Data in the account must replicate outside the Azure region automatically.

Which two types of replication can you use for the storage account? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

A.
zone-redundant storage (ZRS)
A.
zone-redundant storage (ZRS)
Answers
B.
read-access geo-redundant storage (RA-GRS)
B.
read-access geo-redundant storage (RA-GRS)
Answers
C.
locally-redundant storage (LRS)
C.
locally-redundant storage (LRS)
Answers
D.
geo-redundant storage (GRS)
D.
geo-redundant storage (GRS)
Answers
Suggested answer: B, D

Explanation:

Section: Describe core data concepts

D: Azure Storage offers two options for copying your data to a secondary region:

Geo-redundant storage (GRS)

Geo-zone-redundant storage (GZRS)

B: With GRS or GZRS, the data in the secondary region isn't available for read or write access unless there is a failover to the secondary region. For read access to the secondary region, configure your storage account to use read-access geo-redundant storage (RA-GRS) or read-access geo-zone-redundant storage (RA-GZRS).

Reference: https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy#redundancy-in-a-secondary-region

Question 142

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Which statement is an example of Data Manipulation Language (DML)?

A.
REVOKE
A.
REVOKE
Answers
B.
DISABLE
B.
DISABLE
Answers
C.
INSERT
C.
INSERT
Answers
D.
GRANT
D.
GRANT
Answers
Suggested answer: C

Explanation:

Data Manipulation Language (DML) statements:

DELETE

INSERT

UPDATE

Reference:

https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-reference-tsql-statements

Question 143

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Which command-line tool can you use to query Azure SQL databases?

A.
sqlcmd
A.
sqlcmd
Answers
B.
bcp
B.
bcp
Answers
C.
azdata
C.
azdata
Answers
D.
Azure CLI
D.
Azure CLI
Answers
Suggested answer: A

Explanation:

The sqlcmd utility lets you enter Transact-SQL statements, system procedures, and script files at the command prompt.

Incorrect Answers:

B: The bulk copy program utility (bcp) bulk copies data between an instance of Microsoft SQL Server and a data file in a user-specified format.

D: The Azure CLI is the defacto tool for cross-platform and command-line tools for building and managing Azure resources.

Reference:

https://docs.microsoft.com/en-us/sql/tools/overview-sql-tools?view=sql-server-ver15

Question 144

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Which statement is an example of Data Definition Language (DDL)?

A.
SELECT
A.
SELECT
Answers
B.
JOIN
B.
JOIN
Answers
C.
UPDATE
C.
UPDATE
Answers
D.
CREATE
D.
CREATE
Answers
Suggested answer: D

Explanation:

Data Definition Language (DDL) statements defines data structures. Use these statements to create, alter, or drop data structures in a database. These statements include:

ALTER

Collations

CREATE

DROP

DISABLE TRIGGER

ENABLE TRIGGER

RENAME

UPDATE STATISTICS

TRUNCATE TABLE

Reference:

https://docs.microsoft.com/en-us/sql/t-sql/statements/statements

Question 145

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You need to ensure that users use multi-factor authentication (MFA) when connecting to an Azure SQL database.

Which type of authentication should you use?

A.
service principal authentication
A.
service principal authentication
Answers
B.
Azure Active Directory (Azure AD) authentication
B.
Azure Active Directory (Azure AD) authentication
Answers
C.
SQL authentication
C.
SQL authentication
Answers
D.
certificate authentication
D.
certificate authentication
Answers
Suggested answer: B

Explanation:

Section: Describe how to work with relational data on Azure

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/authentication-mfa-ssms-overview

Question 146

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What is a benefit of hosting a database on Azure SQL managed instance as compared to an Azure SQL database?

A.
built-in high availability
A.
built-in high availability
Answers
B.
native support for cross-database queries and transactions
B.
native support for cross-database queries and transactions
Answers
C.
system-initiated automatic backups
C.
system-initiated automatic backups
Answers
D.
support for encryption at rest
D.
support for encryption at rest
Answers
Suggested answer: B

Explanation:

Section: Describe how to work with relational data on Azure

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/features-comparison

Question 147

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You need to design and model a database by using a graphical tool that supports project-oriented offline database development.

What should you use?

A.
Microsoft SQL Server Data Tools (SSDT)
A.
Microsoft SQL Server Data Tools (SSDT)
Answers
B.
Microsoft SQL Server Management Studio (SSMS)
B.
Microsoft SQL Server Management Studio (SSMS)
Answers
C.
Azure Databricks
C.
Azure Databricks
Answers
D.
Azure Data Studio
D.
Azure Data Studio
Answers
Suggested answer: A

Explanation:

Section: Describe how to work with relational data on Azure

Reference: https://docs.microsoft.com/en-us/sql/ssdt/project-oriented-offline-database-development?view=sql-server-ver15

Question 148

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You have a transactional application that stores data in an Azure SQL managed instance.

When should you implement a read-only database replica?

A.
You need to generate reports without affecting the transactional workload.
A.
You need to generate reports without affecting the transactional workload.
Answers
B.
You need to audit the transactional application.
B.
You need to audit the transactional application.
Answers
C.
You need to implement high availability in the event of a regional outage.
C.
You need to implement high availability in the event of a regional outage.
Answers
D.
You need to improve the recovery point objective (RPO).
D.
You need to improve the recovery point objective (RPO).
Answers
Suggested answer: A

Explanation:

Section: Describe how to work with relational data on Azure

Use read-only replicas to offload read-only query workloads.

Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/read-scale-out

Question 149

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You need to query a table named Products in an Azure SQL database.

Which three requirements must be met to query the table from the internet? Each correct answer presents part of the solution. (Choose three.)

NOTE: Each correct selection is worth one point.

A.
You must be assigned the Reader role for the resource group that contains the database.
A.
You must be assigned the Reader role for the resource group that contains the database.
Answers
B.
You must have SELECT access to the Products table.
B.
You must have SELECT access to the Products table.
Answers
C.
You must have a user in the database.
C.
You must have a user in the database.
Answers
D.
You must be assigned the Contributor role for the resource group that contains the database.
D.
You must be assigned the Contributor role for the resource group that contains the database.
Answers
E.
Your IP address must be allowed to connect to the database.
E.
Your IP address must be allowed to connect to the database.
Answers
Suggested answer: B, C, E

Explanation:

Section: Describe how to work with relational data on Azure

Incorrect Answers:

A, D: Resource group permissions is not required to query an Azure SQL database table.

Reference: https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/getting-started-with-database-engine-permissions?view=sql-server-ver15

Question 150

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You have an inventory management database that contains the following table.

Which statement should you use in a SQL query to change the inventory quantity of Product1 to 270?

A.
INSERT
A.
INSERT
Answers
B.
MERGE
B.
MERGE
Answers
C.
UPDATE
C.
UPDATE
Answers
D.
CREATE
D.
CREATE
Answers
Suggested answer: C

Explanation:

Section: Describe how to work with relational data on Azure

Reference: https://docs.microsoft.com/en-us/sql/t-sql/queries/update-transact-sql?view=sql-server-ver15

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