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最新的 MCSE 070-452 免費考試真題:

1. You are the administrator of your company network. You use SQL Server 2008 to develop a Business Intelligence (BI) solution. You intend to create a SQL Server 2008 Reporting Services (SSRS) solution. Developers generate random reports against a data source that contains 180 tables. Power users generate random reports against five of the 180 tables. You have to design a strategy for the SSRS solution to satisfy the following requirements: Use as little development effort as possible.Supply the developers group and the power users group with two sets of tables in SSRS.So which strategy will you use?

A) You should create two Report Builder models. Include the five frequently used tables in the first model and include all the tables in the second model.
B) You should create two Data Source Views. Include all the tables in one Data Source View and the five frequently used tables in the other Data Source View.
C) You should create a Report Builder model by using all the tables and create a perspective within the model to use only the five frequently used tables.
D) You should create a Report Builder model by using all the tables. Create two folders. Place the five frequently used tables in the first folder and the remaining

2. You are the administrator of your company network. And you have been assigned a task to develop a SQL Server 2008 data warehousing project. An online transaction processing
(OLTP) system is the source database for the project. During business time, the OLTP system executes 4,200 transactions every minute. And it records only the date and time of insertion of a new row and not for the updates of existing rows. You intend to develop an extract, transform, and load (ETL) process for the project which populates a data warehouse from the source database. When developing the ETL process, it must be configured in the following manner:1. To run after business hours2. To capture new rows and existing rows that have been modifiedYou have to make sure that only new rows or modified rows from the database tables are processed by the ETL process. So what should you do?

A) You should configure the Change Data Capture feature on all the data warehouse database tables that will be processed by the ETL process.
B) You should configure the data warehouse database to support the Type II Slowly Changing Dimension transformation.
C) You should configure the Change Data Capture feature on all the source database tables that will be processed by the ETL process.
D) You should configure the data warehouse database to support the Type I Slowly Changing Dimension transformation.

3. You administer a SQL Server 2005 Reporting Services server. Your company publishes reports to a public Web site. Customers can view the reports without providing user credentials. You plan to upgrade the server to use SQL Server 2008 Reporting Services. You need to ensure that customers can continue to view the reports without providing user credentials. What should you do?

A) Enable Basic authentication.
B) Use a custom authentication extension.
C) Select Windows Authentication and add the Guest user account.
D) Enable Anonymous access on the IIS virtual directory.

4. You design a Business Intelligence (BI) solution by using SQL Server 2008. You create a SQL Server 2008
Integration Services (SSIS) package to perform an extract, transform, and load (ETL) process to load data
to a DimCustomer dimension table that contains 1 million rows.
Your data flow uses the following components:
-A SQL Destination data flow task to insert new customers.
-An OLE DB Command transform that updates existing customers.
On average, 25 percent of existing customer records is updated each night. You need to reduce the
amount of time required to update customer records.
What should you do?

A) Stage the data in the data flow. Replace the UPDATE statement in the OLE DB Command transform with a DELETE statement followed by an INSERT statement.
B) Stage the data in the data flow. Replace the OLE DB Command transform in the data flow with an Execute SQL task in the control flow.
C) Modify the UPDATE statement in the OLE DB Command transform to use the TABLOCK table hint.
D) Modify the UPDATE statement in the OLE DB Command transform to use the PAGLOCK table hint.

5. You design a Business Intelligence (BI) solution by using SQL Server 2008. A data warehouse named CustomerDW contains a Fact table named FactCustomer. The FactCustomer table contains two columns named CustomerKey and CustomerSales. You create a data mining model named CustomerModel by using SQL Server 2008 Analysis Services (SSAS). A report that is developed by using SQL Server 2008 Reporting Services (SSRS) lists the top 50 customers based on the sales amount. The report extracts data from a SQL Server relational database. You add a column named UpSell to the report. You need to ensure that the UpSell column displays the probability values of the expensive products that customers are likely to purchase.
Which Data Mining Extensions (DMX) query should you use?

A) SELECT PredictProbability(m.[UpSell]) as [UpSell], [CustomerKey], t.[CustomerSales] From [CustomerModel] m PREDICTION JOIN OPENQUERY([CustomerDW], 'SELECT TOP 50 [CustomerKey],[CustomerSales] From FactCustomer ORDER BY [CustomerSales] ') AS t ON m.[CustomerKey] = t.[CustomerKey]
B) SELECT PredictProbability(m.[UpSell]) as [UpSell], [CustomerKey], t.[CustomerSales] From [CustomerModel] m PREDICTION JOIN OPENQUERY([CustomerDW], 'SELECT TOP 50 [CustomerKey], [CustomerSales] FROM FactCustomer ORDER BY [CustomerSales] ') AS t
C) SELECT PredictProbability(t.[UpSell]) as [UpSell], [CustomerKey], m.[CustomerSales] From [CustomerModel] m PREDICTION JOIN OPENQUERY([CustomerDW], 'SELECT [CustomerKey], [CustomerSales] From FactCustomer ORDER BY [CustomerSales] ') AS t ON m.[CustomerKey] = t.[CustomerKey]
D) SELECT Probability(m.[UpSell]) as [UpSell], [CustomerKey], t.[CustomerSales] From [CustomerModel] m PREDICTION JOIN OPENQUERY([CustomerDW], 'SELECT [CustomerKey], [CustomerSales] From FactCustomer ORDER BY [CustomerSales] ') AS t ON m.[CustomerKey] = t.[CustomerKey]

問題與答案：