[单选题]You need to install Windows 2000 Professional on a new computer in your network. You use the setup manager wizard to configure a fully automated installation script. file. You begin an unattended installation and leave the office.When you return, the installation has reached the GUI-mode setup and you see the following error message "Unattended setup is unable to continue because a setup parameter specified by your system administrator or computer manufacturer is missing or invalid."

正确答案 ：D

In the UserData section of the answer file, specify theProductIDvariable

解析：解析：Explanation: For a fully unattended installation to complete, the ProductID or product registration key, must be specified in the UserData section of the answer file. The syntax of this key is ProductId = "XXXXX-XXXXX-XXXXX-XXXXX-XXXXX". If this key is missing the error message is returned.

[单选题]You are the administrator of a SQL Server 2000 computer. The server contains a database that stores financial data. You want to use Data Transformation Services packages to import numeric data from other SQL server computers. The precision and scale values of this data are not defined consistently on the other servers.You want to prevent any loss of data during the import operations. What should you do?

正确答案 ：B

Use the ALTER COLUMN clause of the ALTER TABLE statement to change data types in the destination tables. Change the data types to reflect the highest precision and scale values involved in data transfer.

解析：解析：Explanation: The ALTER COLUMN clause of the ALTER TABLE statement can be used to change the definition of a column and can be used to alter the precision and scale values of the data types. The destination precision should be changed so no data would be lost. The transformation to a data type with higher precision is automatic and would not require any coding.

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