Microsoft MCSA 70-457

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Microsoft 70-457 試験シラバストピック:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 認定 70-457 試験問題：

問題 #1
DRAG AND DROP You administer a Microsoft SQL Server 2012 server. A variety of issues occur from time to time in the production environment. You need to identify the appropriate tool for each issue. Which tool or tools should you use? (To answer, drag the appropriate tool or tools to the correct issue or issues in the answer area. Each tool 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.)
Select and Place:

問題 #2
You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that during reads, the transaction experiences blocking from concurrent updates. You need to ensure that throughout the transaction the data maintains the original version. What should you do?

A. Include a SET STATISTICS PROFILE ON statement before you run the query.
B. Cover the unique clustered index with a columnstore index.
C. Add a HASH hint to the query.
D. Enable the optimize for ad hoc workloads option.
E. Add a FORCESEEK hint to the query.
F. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
G. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
H. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
I. Add an INCLUDE clause to the index.
J. Add a columnstore index to cover the query.
K. Include a SET FORCEPLAN ON statement before you run the query.
L. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.
M. Add a FORCESCAN hint to the Attach query.
N. Add a LOOP hint to the query.

問題 #3
You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that an OLTP database that uses a storage area network (SAN) remains available if any of the servers fail. You also need to minimize the amount of storage used by the database. Which configuration should you use?

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

問題 #4
You administer a Microsoft SQL Server 2012 database. The database contains a customer table created by using the following definition:

You need to ensure that the minimum amount of disk space is used to store the data in the customer table. What should you do?

A. Implement page-level compression.
B. Implement Unicode compression.
C. Implement row-level compression.
D. Convert all indexes to Column Store indexes.

問題 #5
You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure named DeleteJobCandidate. You need to ensure that if DeleteJobCandidate encounters an error, the execution of the stored procedure reports the error number. Which Transact-SQL statement should you use?

A. EXEC DeleteJobCandidate
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO
B. EXEC DeleteJobCandidate
IF (ERROR_STATE() != 0)
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO
C. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = @@ERROR, @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(@@ErrorVar AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO
D. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = ERROR_STATE(), @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(ERRORSTATE() AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO

解説：