70-462 Exam
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Q61. You are a database developer for an application hosted on a Microsoft SQL Server 2012 server. The database contains two tables that have the following definitions:
Global customers place orders from several countries. You need to view the country from which each customer has placed the most orders.
Which Transact-SQL query do you use?
A. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(OrderAmount) DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1
B. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM (SELECT c.CustomerID, c.CustomerName, o.ShippingCountry,
RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(o.OrderAmount) ASC) AS Rnk FROM Customer c INNER JOIN Orders o ON c.CustomerID = o.CustomerID GROUP BY c.CustomerID, c.CustomerName, o.ShippingCountry) cs WHERE Rnk = 1
C. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY OrderAmount DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1
D. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, COUNT(OrderAmount) DESC) AS OrderAmount FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID ORDER BY OrderAmount DESC
Answer: A
Q62. You administer a Microsoft SQL Server 2012 database. You want to make a full backup of the database to a file on disk.
In doing so, you need to output the progress of the backup.
Which backup option should you use?
A. STATS
B. COMPRESSION
C. CHECKSUM
D. IN IT
Answer: A
Q63. You administer a Windows Azure SQL Database database named Orders.
You need to create a copy of Orders named Orders_Reporting.
Which Transact-SQL command should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q64. You administer a Microsoft SQL Server 2012 Enterprise Edition server that uses 64 cores.
You discover performance issues when complex calculations are performed on large amounts of data under heavy system load.
You need to limit the number of cores that handle the processing.
What should you configure?
A. Max worker threads
B. Processor affinity
C. I/O affinity
D. Lightweight pooling
Answer: C
Q65. You administer a Microsoft SQL Server 2012 database named Orders. Orders contains a table named OrderShip that is defined as follows:
Performance on this procedure is slow.
You need to alter the schema to optimize this query. Objects created must use a minimum amount of resources.
Which Transact-SQL statement should you use?
A. CREATE NONCLUSTERED INDEX IX_CountryCode ON Ordership (CountryCode) WHERE CountryCode IS NOT NULL
B. CREATE STATISTICS ST_CountryCode ON OrderShip (CountryCode) WHERE CountryCode IS NOT NULL
C. CREATE CLUSTERED INDEX IX_CountryCode ON OrderShip (CountryCode)
D. CREATE INDEX IX_CountryCode ON OrderShip (CustomerID) WHERE CountryCode IS NOT NULL
Answer: B
Q66. You administer a Microsoft SQL Server 2012 database.
You create an availability group named haContosoDbs. Your primary replica is available at Server01\Contoso01. You need to configure the availability group to have the highest availability. You also need to ensure that no data is lost. Which Transact-SQL statement should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q67. You administer a Microsoft SQL Server 2012 database instance. You create a new user named UserA.
You need to ensure that UserA is able to create SQL Server Agent jobs and execute SQL Server agent jobs owned by UserA
To which role should you add UserA?
A. DatabaseMailUserRole
B. ServerGroupAdministratorGroup
C. SQLAgentUserRole
D. Securityadmin
Answer: C
Q68. You have three tables that contain data for vendors, customers, and agents. You create a view that is used to look up telephone numbers for these companies.
The view has the following definition: You need to ensure that users can update only the phone numbers by using this view. What should you do?
A. Alter the view. Use the EXPAND VIEWS query hint along with each SELECT statement.
B. Drop the view. Re-create the view by using the SCHEMABINDING clause, and then create an index on the view.
C. Create an AFTER UPDATE trigger on the view.
D. Create an INSTEAD OF UPDATE trigger on the view.
Answer: D
Q69. You administer a Microsoft SQL Server 2012 default instance.
The instance is hosted by a server that has a local firewall configureD. The firewall only allows inbound connections on port 1433. The server only hosts a single instance of SQL Server.
You need to ensure that the instance is configured to allow remote connections even if the SQL Server is unresponsive to client connections.
What should you do? Choose all that apply.
A. Enable inbound connections on TCP port 1434 in the Windows Firewall on the server.
B. Execute the following Transact-SQL command: sp_configure 'remote admin connections', C. Execute the Reconfigure command.
D. Execute the following Transact-SQL command: sp_configure 'remote access', 1
E. Restart the SQL Server Agent Service.
F. Enable inbound connections on TCP port 135 in the Windows Firewall on the server.
Answer: ABC
Q70. You develop a Microsoft SQL Server 2012 database. The database is used by two web applications that access a table named Products. You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data.
You need to ensure that the following requirements are met:
. Future modifications to the table definition will not affect the applications' ability to access data.
. The new object can accommodate data retrieval and data modification.
You need to achieve this goal by using the minimum amount of changes to the applications.
What should you create for each application?
A. Synonyms
B. Common table expressions
C. Views
D. Temporary tables
Answer: C