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Microsoft 070-450 Exam Syllabus Topics:

Microsoft PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu Sample Questions:

1. You administer a SQL Server 2008 infrastructure. You plan to design an infrastructure for a new application.
The application has the following requirements:
Users can connect to an instance named SQLSERVER1.
SQLSERVER1 is linked to a server named SQLSERVER2.
SQLSERVER1 and SQLSERVER2 run on different computers.
The SQL Server instances use only Windows authentication.
You need to configure the infrastructure to ensure that the distributed queries are executed in the Windows security context of the login.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Ensure that the two instances use the same Windows account for the Microsoft SQL Service. Create the link so that each account uses the current security context.
B) Create a map for each SQL login from SQLSERVER1 to SQLSERVER2 and use the impersonate option.
C) Register a server principal name (SPN) for SQLSERVER1 and SQLSERVER2.
D) Configure all servers to use the Shared Memory network protocol.
E) Use the local computer account as a service account for SQLSERVER1 and SQLSERVER2.

2. You are a professional level SQL Sever 2008 Database Administrator.
A database is included by an instance. And a large table named OrderDetails is included by the database. Only DML statements on the last three months data are executed by the application queries. Administrative audits are managed monthly on data which is longer than four months. The performance problems listed below are found by you in the database . The performance of the application queries against the OrderDetail table is poor. It takes a long time to perform the maintenance tasks against the database, index defragmentation is contained.
The performance problems should be solved with on impact on the server performance.
Which action will you perform?

A) An additional table named OrderDetailsHistory should be created for data older than four months. And then, the OrderDetails and OrderDetailsHistory tables should be partitioned in two parts by utilizing the OrderDate column. At last, a SQL Server Agent job that runs every month should be created and the ALTER TABLE...SWITCH Transact-SQL statement should be utilized to remove data that is longer than four months to the OrderDetailsHistory table.
B) An additional table named OrderDetailsHistory should be created for data longer than four months. And then, a SQL Server Agent job that runs the following Transact-SQL statement every month should be created. INSERT INTO OrderDetailsHistory SELECT * FROM OrderDetailsWHERE DATEDIFF(m, OrderDate,GETDATE())>4
C) An additional table named OrderDetailsHistory should be created for data older than four months. And then, the following Transact-SQL statement should be utilized. CREATE TRIGGER trgMoveDataON OrderDetailsAFTER INSERT ASINSERT INTO OrderDetailsHistory SELECT * FROM OrderDetailsWHERE DATEDIFF(m,OrderDate,GETDATE())>4
D) A database snapshot should be created for the OrderDetails table every four months. And then, the queries should be changed to utilize the present snapshot.

3. You administer a SQL Server 2008 infrastructure.
Your company requires capacity planning information.
You need to design a long-term infrastructure monitoring strategy.
Which two tasks should you include in your design? (Each correct answer presents part of the solution. Choose two.)

A) Clear the system log and the application log every hour.
B) Baseline the system before you deploy production databases.
C) Review system monitor counters on a regular basis.
D) Backup all databases every day.
E) Create a maintenance plan that rebuilds indexes every week.

4. You administer a SQL Server 2008 instance that hosts a large database.
The following backup strategy is used for the database:
A full database backup is performed at 02:00 hr every Monday.
A differential backup is performed at 23:00 hr every day.
A transaction log backup is performed on an hourly basis.
A power failure on Thursday causes the SQL Server 2008 server to restart at 09:15 hr.
Fifteen minutes after the server restarts, the users report that they are unable to execute certain queries
that access
customer data. You discover that the customer data is unmodified after the power failure.
When you execute the DBCC CHECKDB command on the database, you receive the following error
message:
Object ID 2814307832, index ID 2, partition ID 83127819437122157, alloc unit ID 82134587923221126
(type In-row data): Page (3421:169) could not be processed. See other errors for d etails.
Table error: Object ID 2814307832, index ID 2, partition ID 83127819437122157, alloc unit ID
82134587923221126 (type In-row data), page (3421:169). Test (IS_OFF (BUF_IOERR, pBUF- > bstat))
failed. Values are 16928422 and -8.
CHECKDB found 0 allocatio n errors and 2 consistency errors in table 'tbl_Customer' (object ID
2814307832).
When you execute the sp_help 'tbl_customer' stored procedure you receive the following result set:
index_name index_description
PK clustered located on PRIMARY
NCIX nonclustered located on PRIMARY
You need to ensure that the data is available as quickly as possible with minimal effect on users.
What should you do?

A) Restore the latest full database backup. Restore the latest differential backup. Restore all transaction log backups from the latest differential backup.
B) Restore the latest full database backup. Restore all transaction log backups from the latest full database backup.
C) Drop and recreate the NCIX index.
D) Drop and recreate the PK index.

5. You are a professional level SQL Sever 2008 Database Administrator.
A new database should be deployed, and the capacity requirements listed below should be satisfied.
There should be 275 GB for the database data file, while there should be 50 GB for the transaction log file. There are six 100-GB disk drives which are accessible for the database in the storage array. The six disks are attached to a redundant array of independent disks (RAID) controller, and the controller supports
RAID levels 0, 1, 5, and 10.
Since you are the technical support, you are required to maximize the write performance of the transaction
log. In addition, you should protect the database and transaction log files,
when a drive fails.
The storage system should be designed.
From the following four storage configuration, which one should you utilize?

A) A single RAID 5 volume should be utilized.
B) A single RAID 10 volume should be utilized.
C) A RAID 1 volume and a RAID 5 volume should be utilized.
D) A RAID 0 volume and a RAID 5 volume should be utilized.

Solutions: