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Exam Code: 70-459
Exam Name: Transition Your MCITP: Database Administrator 2008 or MCITP: Database Developer 2008 to MCSE: Data Platform
Certification Provider: Microsoft
Corresponding Certifications: MCP, MCSA, MCSE
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QUESTION 41
You need to recommend a change to sp3 to ensure that the procedure completes only if all of the UPDATE statements complete.
Which change should you recommend?
A. Set the IMPLICIT_TRANSACTIONS option to off.
B. Set the XACT_ABORT option to off
C. Set the IMPLICIT_TRANSACTIONS option to on.
D. Set the XACT_ABORT option to on.
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/ms188792.aspx
http://msdn.microsoft.com/en-us/library/ms188317.aspx
http://msdn.microsoft.com/en-us/library/ms187807.aspx
QUESTION 42
You need to recommend a solution to meet the security requirements of the junior database administrators.
What should you include in the recommendation?
A. a shared login
B. a database role
C. a credential
D. a server role
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/ms188659.aspx
http://msdn.microsoft.com/en-us/library/ms189121.aspx
http://msdn.microsoft.com/en-us/library/ms161950.aspx
http://msdn.microsoft.com/en-us/library/ms188642.aspx
http://msdn.microsoft.com/en-us/library/aa337562.aspx
QUESTION 43
You need to recommend a solution to minimize the amount of time it takes to execute sp1.
With what should you recommend replacing Table1?
A. a temporary table
B. a function
C. a view
D. a table variable
Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms175503.aspx
http://msdn.microsoft.com/en-us/library/ms190174.aspx
QUESTION 44
You need to recommend a disaster recovery strategy for the Inventory database.
What should you include in the recommendation?
A. Log shipping
B. Always on availability groups
C. SQL Server Failover Clustering
D. Peer-to-peer replication
Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/cc645993.aspx
http://msdn.microsoft.com/en-us/library/ms187103.aspx
http://msdn.microsoft.com/en-us/library/ms190640.aspx
QUESTION 45
You need to recommend a solution to ensure that sp4 adheres to the security requirements.
What should you include in the recommendation?
A. Configure data manipulation language(DML) triggers.
B. Enable SQL Server Audit.
C. Enable trace flags.
D. Enable C2 audit tracing.
Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms178110.aspx
http://msdn.microsoft.com/en-us/library/cc280386.aspx
http://msdn.microsoft.com/en-us/library/ms188396.aspx
http://msdn.microsoft.com/en-us/library/ms187634.aspx
QUESTION 46
You need to recommend a change to sp3 to ensure that the procedure continues to execute even if one of the UPDATE statements fails.
Which change should you recommend?
A. Set the IMPLICIT_TRANSACTIONS option to on.
B. Set the XACT_ABORT option to off.
C. Set the IMPLICIT_TRANSACTIONS option to off.
D. Set the XACT_ABORT option to on.
Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms188792.aspx
http://msdn.microsoft.com/en-us/library/ms188317.aspx
http://msdn.microsoft.com/en-us/library/ms187807.aspx
Case Study 2 – Contoso Ltd (QUESTION 47 ~ QUESTION 51)
Overview
Application Overview
Contoso, Ltd., is the developer of an enterprise resource planning (ERP) application.
Contoso is designing a new version of the ERP application.
The previous version of the ERP application used SQL Server 2008 R2.
The new version will use SQL Server 2012.
The ERP application relies on an import process to load supplier data.
The import process updates thousands of rows simultaneously, requires exclusive access to the database, and runs daily.
You receive several support calls reporting unexpected behavior in the ERP application.
After analyzing the calls, you conclude that users made changes directly to the tables in the database.
Tables
The current database schema contains a table named OrderDetails.
The OrderDetails table contains information about the items sold for each purchase order. OrderDetails stores the product ID, quantities, and discounts applied to each product in a purchase order. The product price is stored in a table named Products.
The Products table was defined by using the SQL_Latinl_General_CP1_CI_AS collation.
A column named ProductName was created by using the varchar data type.
The database contains a table named Orders.
Orders contains alt of the purchase orders from the last 12 months.
Purchase orders that are older than 12 months are stored in a table named OrdersOld.
The previous version of the ERP application relied on table-level security.
Stored Procedures
The current version of the database contains stored procedures that change two tables.
The following shows the relevant portions of the two stored procedures:
Customer Problems
Installation Issues
The current version of the ERP application requires that several SQL Server logins be set up to function correctly. Most customers set up the ERP application in multiple locations and must create logins multiple times.
Index Fragmentation Issues
Customers discover that clustered indexes often are fragmented.
To resolve this issue, the customers defragment the indexes more frequently.
All of the tables affected by fragmentation have the following columns that are used as the clustered index key:
Backup Issues
Customers who have large amounts of historical purchase order data report that backup time is unacceptable.
Search Issues
Users report that when they search product names, the search results exclude product names that contain accents, unless the search string includes the accent.
Missing Data Issues
Customers report that when they make a price change in the Products table, they cannot retrieve the price that the item was sold for in previous orders.
Query Performance Issues
Customers report that query performance degrades very quickly. Additionally, the customers report that users cannot run queries when SQL Server runs maintenance tasks.
Import Issues
During the monthly import process, database administrators receive many supports call from users who report that they cannot access the supplier data. The database administrators want to reduce the amount of time required to import the data.
Design Requirements
File Storage Requirements
The ERP database stores scanned documents that are larger than 2 MB. These files must only be accessed through the ERP application. File access must have the best possible read and write performance.
Data Recovery Requirements
If the import process fails, the database must be returned to its prior state immediately.
Security Requirements
You must provide users with the ability to execute functions within the ERP application, without having direct access to the underlying tables.
Concurrency Requirements
You must reduce the likelihood of deadlocks occurring when Sales.Proc1 and Sales.Proc2 execute.
QUESTION 47
You need to recommend a solution that addresses the concurrency requirement.
What should you recommend?
A. Make calls to Sales.Proc1 and Sales.Proc2 synchronously.
B. Modify the stored procedures to update tables in the same order for all of the stored
procedures.
C. Call the stored procedures in a Distributed Transaction Coordinator (DTC) transaction.
D. Break each stored procedure into two separate procedures, one that changes Sales.Table1
and one that changes Sales.Table2.
Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms191242%28v=SQL.105%29.aspx http://msdn.microsoft.com/en-us/library/bb677357.aspx
http://msdn.microsoft.com/en-us/library/ms378149.aspx
QUESTION 48
You need to recommend a solution that addresses the backup issue.
The solution must minimize the amount of development effort.
What should you include in the recommendation?
A. filegroups
B. indexed views
C. table partitioning
D. indexes
Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/ms187048.aspx
http://msdn.microsoft.com/en-us/library/ms189563.aspx
http://msdn.microsoft.com/en-us/library/ms190174.aspx
http://msdn.microsoft.com/en-us/library/ms190787.aspx
http://msdn.microsoft.com/en-us/library/ms175049.aspx
QUESTION 49
You need to recommend a solution that addresses the index fragmentation and index width issue. What should you include in the recommendation?
(Each correct answer presents part of the solution. Choose all that apply.)
A. Change the data type of the lastModified column to smalldatetime.
B. Remove the lastModified column from the clustered index.
C. Change the data type of the modifiedBy column to tinyint.
D. Change the data type of the id column to bigint.
E. Remove the modifiedBy column from the clustered index.
F. Remove the id column from the clustered index.
Answer: BE
Explanation:
Scenario: Index Fragmentation Issues
Customers discover that clustered indexes often are fragmented.
To resolve this issue, the customers defragment the indexes more frequently.
All of the tables affected by fragmentation have the following columns that are used as the clustered index key:
QUESTION 50
You need to recommend a solution that meets the data recovery requirement.
What should you include in the recommendation?
A. a differential backup
B. snapshot isolation
C. a transaction log backup
D. a database snapshot
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/ms175158.aspx
http://msdn.microsoft.com/en-us/library/ms378149.aspx
http://msdn.microsoft.com/en-us/library/ms187048.aspx
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