生产价格
You deploy multiple Mailbox servers. Each Mailbox server contains a copy of a mailbox database named DB1. You need to recommend a solution that allows administrators to remove corrupt messages that have been replicated before the corrupt messages are applied to each copy of DB1. What should you recommend？（） Modify log truncation.。 Enable circular logging.。 Implement lagged copies.。 Configure shadow redundancy.。
世界著名的四大切花分别是（）。 牡丹。 菊花。 月季。 康乃馨。 唐菖蒲。
必然规律
You work as an application developer at Contoso.com. You use Microsoft .NET Framework 3.5 and Microsoft ADO.NET to develop an application. The application of Contoso.com has a TextBox control named ProdID which will return a list of active products that have the ProductID field equal to the ProdID.Text property. Your application contains the following code. （Line numbers are for reference only.） 01 private DataSet GetProducts（SqlConnection cn） { 02 SqlCommand cmd = new SqlCommand（）； 03 cmd.Connection = cn； 04 SqlDataAdapter da = new SqlDataAdapter（cmd）； 05 DataSet ds = new DataSet（）； 06 07 da.Fill（ds）； 08 return ds； 09 } You need to populate the DataSet object with product records and at the same time to avoiding possible SQL injection attacks. What should you do？（） A。 B。 C。 D。
下列属于驱逐性警械的有（）
