单项选择题
A.Ensure that both SQL1 and SQL2 use the same login name as the security context for each server.
B.Configure SQL2 as a remote server. Write the query on SQL1.
C.Configure SQL2 as a linked server to impersonate the remote login.
D.Configure SQL2 as a distributed server. Use pass-through authentication.
单项选择题 You configure a new SQL Server 2005 computer to use TCP/IP with all default settings. Your corporate policy requires that each server use a firewall. You find that you can connect to the SQL Server instance from the local computer. However， client computers cannot connect to the SQL Server instance.You need to identify the most likely cause of the connection issues. What should you do first？（）
多项选择题 You are preparing for a new installation of SQL Server 2005. You need to select the protocols that client computers might use to connect to the server. Which two protocols can you use to achieve this goal？（）
单项选择题 Your application must access data that is located on two SQL Server 2005 computers. One of these servers is named SQL1 and the other is SQL2. You have permissions to create a stored procedure on SQL1 to support your application. However，on SQL2 you only have permissions to select data. You write the stored procedure on SQL1. The stored procedure accesses SQL2 by using the OPENQUERY Transact-SQL statement. However,the query fails when executed.You need to troubleshoot the cause of the error. What should you do？（）