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Microsoft 70-457 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

1. You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that an OLTP database that includes up-to-the-minute reporting requirements can be off-loaded from the primary database to another server. You also need to be able to add indexes to the secondary database. Which configuration should you use?

A) Two servers configured in different data centers SQL Server Availability Group configured in Asynchronous-Commit Availability Mode
B) SQL Server that includes an application database configured to perform snapshot replication
C) SQL Server that includes an application database configured to perform transactional replication
D) Two servers configured in the same data center A primary server configured to perform log-shipping every 10 minutes * A backup server configured as a warm standby
E) Two servers configured on the same subnet SQL Server Availability Group configured in Synchronous-Commit Availability Mode
F) Two servers configured in the same data center SQL Server Availability Group configured in Asynchronous-Commit Availability Mode One server configured as an Active Secondary
G) Two servers configured in a Windows Failover Cluster in the same data center SQL Server configured as a clustered instance
H) Two servers configured in different data centers SQL Server Availability Group configured in Synchronous-Commit Availability Mode One server configured as an Active Secondary

2. You develop a database for a travel application. You need to design tables and other database objects. You create the Airline_Schedules table. You need to store the departure and arrival dates and times of flights along with time zone information. What should you do?

A) Add a HASH hint to the query.
B) Include a SET FORCEPLAN ON statement before you run the query.
C) Add a FORCESCAN hint to the Attach query.
D) Enable the Optimize for ad hoc workloads option.
E) Add a LOOP hint to the query.
F) Include a SET STATISTICS PROFILE ON statement before you run the query.
G) Add a FORCESEEK hint to the query.
H) Add an INCLUDE clause to the index.
I) Cover the unique clustered index with a columnstore index.
J) Add a columnstore index to cover the query.

3. You administer a Microsoft SQL Server 2012 server. One of the databases on the server supports a highly active OLTP application. Users report abnormally long wait times when they submit data into the application. You need to identify which queries are taking longer than 1 second to run over an extended period of time. What should you do?

A) Run the DBCC TRACEON 1222 command from a query window and review the SQL Server event log.
B) Use SQL Profiler to trace all queries that are processing on the server. Filter queries that have a Duration value of more than 1,000.
C) Use the Job Activity monitor to review all processes that are actively running. Review the Job History to find out the duration of each step.
D) Use sp_configure to set a value for blocked process threshold. Create an extended event session.
E) Run the sp_who command from a query window.

4. 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,
COUNT(OrderAmount) DESC) AS OrderAmount
FROM Orders
GROUP BY CustomerID, ShippingCountry) AS o
ON c.CustomerID = o.CustomerID
ORDER BY OrderAmount DESC
B) 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
C) 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
D) 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

5. You administer two Microsoft SQL Server 2012 servers. Each server resides in a different, untrusted domain. You plan to configure database mirroring. You need to be able to create database mirroring endpoints on both servers. What should you do?

A) Use a database certificate.
B) Use a server certificate.
C) Configure the SQL Server service account to use Network Service.
D) Configure the SQL Server service account to use Local System.

Solutions: