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Case Study 1 – A.Datum Corporation (QUESTION 9 – QUESTION 16)
Overview
General Overview
A.Datum Corporation is a real estate firm that has offices throughout North America.
A.Datum has a main office and four branch offices. The main office is located in Seattle.
The branch offices are located in New York, Montreal, Denver, and Vancouver.
Existing Environment
Network Infrastructure
The network contains one Active Directory domain namedA.Datum.com.
Each office contains one domain controller.
Each office has a 100-Mbps connection to the Internet that is 20 percent saturated on average. The offices connect to each other through the Internet by using VPN appliances.
A.Datum uses the public IP addresses shown in the following table.
 
SQL Server Infrastructure
In the main office, A.Datum hosts a Microsoft SQL Server instance on a server named SQL1. SQL1 has a 400-GB database named Listings. Log-shipped copies of Listings are present in each branch office. The copies are used for reporting. Currently, all of the SQL Server instances run SQL Server 2014 Enterprise edition.
Each branch office has an application server that hosts an application named App1. App1 is configured to connect to the Listings database on each local SQL Server instance for reporting and to connect to the SQL Server instance in the main office for any updates to property listings.
The main office also has an application server that hosts App1. The application server connects to the local Listings database for reporting and for any updates to the property listings.
Historic activity of the Listings database shows a maximum of 475 concurrent requests from as many as 200 concurrent connections.
User Issues
Users report that, frequently, they are disconnected from the Listings database when they run reports. Users also report that there is an unacceptable delay between when a property listing is updated and when the updated listing appears in the listings reports.
Developers report concerns about the lack of a testing environment in which code changes can be validated before being deployed to the production Listings database.
Requirements
Business Requirements
A.Datum identifies the following business requirements:
 
Planned changes
A.Datum plans to implement the following changes:
 
Technical Requirements
A.Datum identifies the following technical requirements:
 
High-Availability and Recovery Requirements
A.Datum identifies the following high-availability and recovery requirements:
 

QUESTION 9
You need to recommend a backup solution for the ListTest database.
What should you include in the recommendation?

A.    Extract a data-tier application (DAC).
B.    Use the bcp command.
C.    Use the SQL Server Migration Assistant (SSMA).
D.    Export a data-tier application (DAC).

Answer: D

QUESTION 10
Drag and Drop Question
You need to configure auditing to meet the technical requirements.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
 
Answer:
 
Explanation:
http://solutioncenter.apexsql.com/how-to-setup-and-use-sql-server-audit-feature/

QUESTION 11
Drag and Drop Question
You need to recommend a solution to implement high availability for the Listings database.
Which three actions should you recommend be performed in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
 
Answer:
 

QUESTION 12
You need to recommend a solution to migrate the Listings database to the cloud.
What should you recommend?

A.    Stage the Listings database on an Azure virtual machine prior to the outage.
During the outage, perform a data import from the main office by using SQL Server Management Studio.
B.    Enable mirroring between the main office and the Azure virtual machine.
During the planned outage, change the mirroring roles on the Azure virtual machine to become the primary server, and then break the mirror.
C.    Run a full backup during the outage and restore the backup to the Azure virtual machine.
D.    Implement merge replication between the main office and the Azure virtual machine.

Answer: B
Explanation:
https://blogs.msdn.microsoft.com/buckwoody/2013/01/08/microsoft-windows-azure-disaster-recovery-options-for-on-premises-sql-server/

QUESTION 13
Drag and Drop Question
You need to back up the Listings database to meet the high-availability and recovery requirements.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
 
Answer:
 

QUESTION 14
Drag and Drop Question
You need to implement the monitoring solution for the Listings database.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
 
Answer:
 

QUESTION 15
You are evaluating whether an Azure SQL Database elastic database pool suits your workload and usage patterns.
What are two possible ways to identify the elastic database transaction units (eDTUs)? Each correct answer presents a complete solution.

A.    Aggregate data from sys.dm_os_wait_stats.
B.    Run the Database Engine Tuning Advisor.
C.    Run the Service Tier Advisor.
D.    Aggregate data from sys.dm_db_resource_stats.
E.    Aggregate data from sys.dm_os_performance_counters.

Answer: DE


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