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最新的 MCSE 070-450 免費考試真題:

1. You are designing a new SQL Server instance that will support a Web application.
The Web application is hosted on a Web farm that contains 32 nodes.
The server has 128 GB of memory and 16 processor cores. The application contains two databases and supports both online analytical processing (OLAP) and online transaction processing (OLTP) workloads.
When testing the application, you discover that some queries run extremely slow and some queries run very fast.
You need to ensure that the server processes database queries as fast as possible . What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Use SQL Profiler to identify queries that experience CXPACKET waits. Add (OPTION MAXDOP 1) to each query
B) Use SQL Profiler to identify queries that experience CXPACKET waits. Add (OPTION MAXDOP 8) to each query
C) Execute the following command on the server: exec_sp_configure 'maximum degree of parallelism', 8
D) Execute the following command on the server: exec_sp_configure 'maximum degree of parallelism', 1

2. You administer a SQL Server 2008 infrastructure.
A financial application uses several instances across multiple servers. The majority of queries require distributed transactions across all servers.
The application administrator reports that the application experiences excessive deadlocks.
You need to design a data collector type that provides the appropriate information for remote servers.
What collector should you use?

A) A custom Query collector that uses WMI
B) T-SQL Query collector
C) Performance Counters collector
D) Query Activity collector

3. You administer a SQL Server 2008 database solution.
All data modifications are performed through stored procedures that use only the INSERT, UPDATE, or DELETE statements. You are designing a backup strategy.
You need to ensure that the following business requirements are met:
The backup strategy supports point-in-time recovery for failure at any time of day.
The transaction log uses the least amount of disk space.
What should you do?

A) Use hourly database snapshots.
B) Use the simple-recovery model along with differential backups.
C) Use the full-recovery model along with transaction log backups.
D) Use the full-recovery model along with differential backups.

4. You are a professional level SQL Sever 2008 Database Administrator.
The security requirements should be designed for a new database application. A code segment is utilized by the application, and the code segment includes the following components:
A method that the registry is accessed on the SQL Server
A method that the file system is accessed on a network file server
A class definition that public static fields are utilized
SQL CLR integration is utilized by the code segment
The code segment is implemented as a single assembly.
Since you are the technical support, you are required to make sure that the application should be successfully deployed to the instance.
Which action will you perform?

A) The SAFE code access security should be utilized for the assembly.
B) All public static fields should be replaced with public fields.
C) All public static fields should be utilized with public static read-only fields. And then the assembly should be registered by utilizing the regasm.exe utility before deployment.
D) All public static fields should be replaced with public static read-only fields. And then the EXTERNAL_ACCESS code access security should be utilized for the assembly.

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

問題與答案：