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最新的 MCTS 70-450 免費考試真題:

1. You administer a SQL Server 2008 instance.
The instance hosts a database that is used by a Web-based application. The application processes 15,000 transactions every minute. A table in the database contains a column that is used only by the application. This column stores sensitive data.
You need to store the sensitive data in the most secure manner possible.
You also need to ensure that you minimize the usage of memory space and processor time.
Which encryption type should you use?

A) Symmetric key encryption
B) Transparent data encryption
C) Certificate-based encryption
D) Asymmetric key encryption

2. 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.

3. You administer a SQL Server 2008 infrastructure.
You discover that an instance experiences performance degradation for the following reasons:
Excessive CPU usage
Server processes paging
Deadlocks
You need to design a monitoring solution that can provide data, including detailed deadlock information, to monitor and troubleshoot performance issues. You want to achieve this goal by using the minimum amount of administrative effort.
What tool should you use?

A) Performance Monitor (SYSMON)
B) Extended Events
C) Resource Governor
D) Database Engine Tuning Advisor

4. You are designing the storage scheme for a new SQL Server 2008 database application
The application will primarily be used to query data.
The database will be initially populated with 4 terabytes of data stored in 20 tables.
The data is distributed evenly throughout all 20 tables. Every night, between 100 GB and 300 GB of new
data will be loaded into 4 database tables.
The remaining 16 tables will remain static. The average CPU utilization of the server where the
application will reside is between 30 and 50 percent.
You need to ensure that the amount of disk space used is reduced.
You need to achieve this goal by ensuring minimum impact of performance on the server.
What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Use page-level data compression on the 4 tables that are loaded every night.
B) Use row-level data compression on the 4 tables that are loaded every night.
C) Use row-level data compression on the 16 tables that remain static.
D) Use page-level data compression on the 16 tables that remain static.

5. You are a professional level SQL Sever 2008 Database Administrator in an international corporation named
Wiikigo.
There is a team of database administrators in your company.
SQL Server 2008 Integration Services (SSIS) packages are created on the test server in a shared
project by a team of application developers. A fixed cache file is required by one of the packages.
The company will deploy the packages to the production server on completion of development.
The production server is available only to the database administrators.
Since you are the technical support, you need to confirm that the project can be deployed
successfully to the production server by the application developers.
Which action will you perform to achieve the goal?

A) To achieve the goal, an indirect package configuration should be created for all packages.
B) To achieve the goal, a direct package configuration should be created for each package.
C) To achieve the goal, the Import and Export Wizard should be utilized to save packages.
D) To achieve the goal, a deployment utility should be created for the SSIS project.

問題與答案：