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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 a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN). The financial database has the following characteristics:
A data file of 2 terabytes is located on a dedicated LUN (drive D).
A transaction log of 10 GB is located on a dedicated LUN (drive E).
Drive D has 1 terabyte of free disk space.
Drive E has 5 GB of free disk space.
The database is continually modified by users during business hours from Monday through Friday between
09:00
hours and 17:00 hours. Five percent of the existing data is modified each day. The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database. These data load operations must occur in the minimum amount of time. A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours. On Wednesday at 10:00 hours, the development team requests you to refresh the database on a development server by using the most recent version. You need to perform a full database backup that will be restored on the development server. Which backup option should you use?

A) 8ULK_LOGGED
B) RESTART
C) SKIP
D) STANDBY
E) COPY_ONLY
F) CONTINUE AFTER ERROR
G) FULL
H) SIMPLE
I) Transaction log
J) DBO ONLY
K) NORECOVERY
L) NO_CHECKSUM
M) Differential
N) CHECKSUM

2. You use a Microsoft SQL Server 2012 database. You want to create a table to store Microsoft Word documents. You need to ensure that the documents must only be accessible via Transact-SQL queries. Which Transact-SQL statement should you use?

A) CREATE TABLE DocumentStore
(
[Id] [uniqueidentifier] ROWGUIDCOL NOT NULL UNIQUE,
[Document] VARBINARY(MAX) FILESTREAM NULL
)
GO
B) CREATE TABLE DocumentStore
(
[Id] INT NOT NULL PRIMARY KEY,
[Document] VARBINARY(MAX) NULL
)
GO
C) CREATE TABLE DocumentStore AS FileTable
D) CREATE TABLE DocumentStore
(
[Id] hierarchyid,
[Document] NVARCHAR NOT NULL
)
GO

3. You administer all the deployments of Microsoft SQL Server 2012 in your company. A database contains a large product catalog that is updated periodically. You need to be able to send the entire product catalog to all branch offices on a monthly basis. Which configuration should you use?

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

4. You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to ensure that the following requirements are met:
Students must be ranked based on their average marks.
If one or more students have the same average, the same rank must be given to these students.
Consecutive ranks must be skipped when the same rank is assigned.
Which Transact-SQL query should you use?

A) SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER(PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
B) SELECT StudentCode as Code,
RANK() OVER(ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
C) SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
D) SELECT StudentCode as Code,
DENSE_RANK() OVER(ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
E) SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
F) SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
G) SELECT Id, Name, Marks,
DENSE_RANK() OVER(ORDER BY Marks DESC) AS Rank
FROM StudentMarks
H) SELECT StudentCode as Code,
NTILE(2) OVER(ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode

5. You are writing a set of queries against a FILESTREAM-enabled database. You create a stored procedure that will update multiple tables within a transaction. You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back. Which Transact-SQL statement should you include at the beginning of the stored procedure?

A) SET IMPLICIT TRANSACTIONS OFF
B) SET XACT_ABORT OFF
C) SET TRANSACTION ISOLATION LEVEL SNAPSHOT
D) SET XACT_ABORT ON
E) SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
F) SET IMPLICIT_TRANSACTIONS ON

Solutions: