若要从一个关系中去掉另一个关系的元组得到的集合，则应进行______运算。

tore service contract information for its customers.

You are also the administrator of Oracle relational database management system (RDBMS) server.

This server is used to store your company’s financial information. The financial information is updated frequently throughout the day.

You need to create a series of reports that combine the service contract information and the financial information. These reports will be updated several times a day.

You want to create reports on the SQL Server computer by using the minimum amount of disk space.

What should you do？

A．Set up SQL server replication to replicate the data from the oracle server to the SQL server computer.

B．Set up the oracle server as a linked server. Create a view that joins the service contract information and the financial information.

C．Set up data transformation services (DTS) package that imports and transforms the database from the oracle server to the SQL server computer. Use SQL server agent to execute the DTS package throughout the day as needed.

D．Set up Microsoft ActiveX script. that connects to the oracle server and imports the financial information into SQL server temporary table. Create a view that joins the service contract information and the temporary table.

A.The new IOS image is too large for the router flash memory.

B.The TFTP server is unreachable from the router.

C.The new IOS image is not correct for this router platform.

D.The IOS image on the TFTP server is corrupt.

E.There is not enough disk space on the TFTP server for the IOS image.

A.The new IOS image is too large for the router flash memory.

B.The TFTP server is unreachable from the router.

C.The new IOS image is not correct for this router platform.

D.The IOS image on the TFTP server is corrupt.

E.There is not enough disk space on the TFTP server for the IOS image.

A.The new IOS image is too large for the router flash memory.

B.The TFTP server is unreachable from the router.

C.The new IOS image is not correct for this router platform.

D.The IOS image on the TFTP server is corrupt.

E.There is not enough disk space on the TFTP server for the IOS image.

You have a server that runs Windows Server 2003 Service Pack 2 (SP2).An administrator named Admin1 reports that when he tries to manage your server remotely by using theComputer Management console he receives the following error message.You verify that Admin1 is a member of the Domain Admins group.You need to ensure that Admin1 can manage your server remotely.What should you do on your server？ （）

A. Add Admin1 to the local Administrators group.

B. Add Admin1 to the local Server Operators group.

C. Start the Remote Registry service.

D. Start the Remote Procedure Call (RPC) Locator service.

A.The new IOS image is too large for the router flash memory.

B.The TFTP server is unreachable from the router.

C.The new IOS image is not correct for this router platform.

D.The IOS image on the TFTP server is corrupt.

E.There is not enough disk space on the TFTP server for the IOS image.

A. The new IOS image is too large for the router flash memory.

B. The TFTP server is unreachable from the router.

C. The new IOS image is not correct for this router platform.

D. The IOS image on the TFTP server is corrupt.

E. There is not enough disk space on the TFTP server for the IOS image.

ves reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections？（）

A. The servers have not had VLAN tagging enabled on their NICs.

B. Speed and duplex have not been set.

C. VLAN tagging was not set on the trunk.

D. The servers have been connected with CAT5 cable.

A.A switch in the VTP client mode cannot update its local VLAN database.

B.A trunk link must be configured between the switches to forward VTP updates.

C.A switch in the VTP server mode can update a switch in the VTP transparent mode.

D.A switch in the VTP transparent mode will forward updates that it receives to other switches.

E.A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.

F.A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.