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最新的 MCSE 070-450 免費考試真題:

1. You are a professional level SQL Sever 2008 Database Administrator.
An instance runs on a computer, and the computer has eight quad-core processors and 128-GB RAM. The instance is utilized by four different applications. Not only a low number of CXPACKET waits but also a large number of lazy writer waits are experienced by the instance. The performance of the instance should be optimized.
Which action will you perform to accomplish the goal?

A) To accomplish the goal, the Resource Governor should be configured.
B) To accomplish the goal, the Windows System Resource Manager should be configured.
C) To accomplish the goal, software non-uniform memory access (soft-NUMA) should be configured.
D) To accomplish the goal, an increase should be configured in the maximum degree of parallelism option.

2. You are a professional level SQL Sever 2008 Database Administrator.
A new database named Engineering is deployed. Large documents are managed by the Engineering
database,
and the documents will be revised occasionally. A table structure should be designed to permit fast read
access.
The storage space requirements should be cut to the least.
What will you do to achieve the goal? (Choose more than one.)

A) To achieve the goal, row-level compression should be utilized on the document table.
B) To achieve the goal, varbinary(MAX) data type should be utilized with FILESTREAM storage.
C) To achieve the goal, row-level compression should be enabled on all columns that the vardecimal() data type is utilized.
D) To achieve the goal, NTFS file system compression should be utilized on the volume.

3. You are a professional level SQL Sever 2008 Database Administrator.
A mission-critical database is shared by the five sites.
According to the business requirements, the users at each site should be enabled to access and change data on all sites with minimal latency. In addition, data loss should be minimized if a server fails. A high-availability solution should be designed, and the business requirements should be satisfied.
Which action should be included in your solution?

A) Failover clustering should be included.
B) Log shipping to servers at two of the sites to offer read-only replications of data should be included.
C) Asynchronous database mirroring without a witness server should be included.
D) Peer-to-Peer replication should be included.

4. You are a professional level SQL Sever 2008 Database Administrator.
Log shipping should be implemented for several databases on three SQL Server instances. The logs are
migrated
to a fourth SQL Server instance. A manual failover will be implemented.
You need to ensure that the database applications utilize the secondary server after failover.
Since you are the technical support, you are required to confirm that the latest data should be available to
users.
Which actions should you perform to achieve the goal? (Choose more than one)

A) To achieve the goal, you should replicate all log shipping network shares to the secondary instance.
B) To achieve the goal, you should redirect client computers to the secondary instance.
C) To achieve the goal, you should utilize the WITH NORECOVERY option to back up the tail of the transaction log of primary databases.
D) To achieve the goal, you should utilize the WITH RECOVERY option on the last log to apply any unapplied transaction log backups in sequence to each secondary database.
E) To achieve the goal, you should back up all databases on the secondary instance.

5. 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 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
B) 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.
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) 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.

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