CertTree Microsoft 70-774 exam practice test

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Share some MCSA 70-774 exam questions and answers below.
You need to remove rows that have an empty value in a specific column. The solution must use a native module. Which module should you use?
A. Execute Python Script
B. Tune Model Hyperparameters
C. Normalize Data
D. Select Columns in Dataset
E. Import Data
F. Edit Metadata
G. Clip Values
H. Clean Missing Data
Answer: H

You need to use only one percent of an Apache hive Data table by conducting random sampling by groups.Which module should you use?
A. Normalize Data
B. Tune Model Hyperparameters.
C. Edit Metadata
D. Clip Values
E. Clean Missing Data
F. Import Data
G. Select Columns in Dataset
H. Execute Python Script
Answer: H

You have a dataset that contains a column named Column1. Column1 is empty.You need to omit Column1 from the dataset. The solution must use a native module. Which module should you use?
A. Clip Values
B. Edit Metadata
C. Import Data
D. Normalize Data
E. Execute Python Script
F. Select columns in dataset
G. Tune Model Hyperparamters
H. Clean Missing data
Answer: F

You have a non-tabular file that is saved in Azure Blob Storage.You need to download the file locally, access the data in the file, and then format the data as a dataset.Which module should you use?
A. Execute Python Script
B. Tune Model Hyperparameters
C. Normalize Data
D. Select Columns in Dataset
E. Import Data
F. Edit Metadata
G. Clip Values
H. Clean Missing Data
Answer: E

You have the following three training datasets for a restaurant:
* User Feature
* Item feature
* Ratings of items by users
You must recommend restaurants to a particular user based only on the users features.
You need to use a Matchbox Recommender to make recommendations.
How many input parameters should you specify?
A. 1
B. 2
C. 3
D. 4
Answer: D

From the Cortana intelligence Gallery, you deploy a solution.You need to modify the solution.What should you use?
A. Azure Stream Analytics
B. Microsoft Power BI Desktop
C. Azure Machine Learning Studio
D. R Tools for Visual Studio
Answer: C

You are building an Azure Machine Learning workflow by using Azure Machine Learning Studio.You create an Azure notebook that supports the Microsoft Cognitive Toolkit.You need to ensure that the stochastic gradient descent (SGO) configuration maximizes the samples per second and supports parallel modeling that is managed by a parameter server. Which SGD algorithm should you use?
A. DataParallelASGD
B. DataParallelSGD
C. ModelAveragingSGD
D. BlockMomentumSGD
Answer: B

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CertTree MCSA SQL Server 70-764 dumps

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Share some MCSA 70-764 exam questions and answers below.
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.You need to configure a Microsoft SQL Server instance to ensure that a user named Mail1 can send mail by using Database Mail.Solution: You add the DatabaseMailUserRole to Mail1 in the master database.Does the solution meet the goal?
A. Yes
B. No
Answer: B

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has a server that runs Microsoft SQL Server 2016 Web edition. The server has a default instance that hosts a database named DB1.You need to ensure that you can perform auditing at the database level for DB1.Solution: You migrate DB1 to the default instance on a server that runs Microsoft SQL Server 2016 Standard edition.Does the solution meet the goal?
A. Yes
B. No
Answer: B

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has an on-premises Microsoft SQL Server environment and Microsoft Azure SQL Database instances. The environment hosts several customer databases.One customer reports that their database is not responding as quickly as the service level agreements dictate. You observe that the database is fragmented.You need to optimize query performance.Solution: You reorganize all indexes.Does the solution meet the goal?
A. Yes
B. No
Answer: A

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has a server that runs Microsoft SQL Server 2016 Web edition. The server has a default instance that hosts a database named DB1.You need to ensure that you can perform auditing at the database level for DB1.Solution: You migrate DB1 to a named instance on a server than runs Microsoft SQL Server 2016 Standard edition.Does the solution meet the goal?
A. Yes
B. No
Answer: B

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has an on-premises Microsoft SQL Server environment and Microsoft Azure SQL Database instances. The environment hosts several customer databases.One customer reports that their database is not responding as quickly as the service level agreements dictate. You observe that the database is fragmented.You need to optimize query performance.Solution: You run the DBCC CHECKDB command.Does the solution meet the goal?
A. Yes
B. No
Answer: B

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has an on-premises Microsoft SQL Server environment and Microsoft Azure SQL Database instances. The environment hosts several customer databases.One customer reports that their database is not responding as quickly as the service level agreements dictate. You observe that the database is fragmented.You need to optimize query performance.Solution: You rebuild all indexes.Does the solution meet the goal?
A. Yes
B. No
Answer: A

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.You need to configure a Microsoft SQL Server instance to ensure that a user named Mail1 can send mail by using Database Mail.Solution: You add the DatabaseMailUserRole to Mail1 in the tempdb database.Does the solution meet the goal?
A. Yes
B. No
Answer: B

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.You need to configure a Microsoft SQL Server instance to ensure that a user named Mail1 can send mail by using Database Mail.Solution: You add the DatabaseMailUserRole to Mail1 in the msdb database.Does the solution meet the goal?
A. Yes
B. No
Answer: A

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.You are the database administrator for a company that hosts Microsoft SQL Server. You manage both on-premises and Microsoft Azure SQL Database environments.One instance hosts a user database named HRDB. The database contains sensitive human resources data.You need to grant an auditor permission to view the SQL Server audit logs while following the principle of least privilege.Which permission should you grant?
A. DDLAdmin
B. db_datawriter
C. dbcreator
D. dbo
E. View Database State
F. View Server State
G. View Definition
H. sysadmin
Answer: F

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.A company has a server that runs Microsoft SQL Server 2016 Web edition. The server has a default instance that hosts a database named DB1.You need to ensure that you can perform auditing at the database level for DB1.Solution: You migrate DB1 to a named instance on a server that runs Microsoft SQL Server 2016 Enterprise edition.Does the solution meet the goal?
A. Yes
B. No
Answer: A

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