单项选择题 You are the desktop administrator for your companys sales department. Katrin is a user in the sales department. You need to upgrade Katrins Windows 2000 Professional computer to Windows XP Professional. Philippe is the network administrator. He previously downloaded updated Setup files and placed them on a server named Server1, in a shared folder named Updates. Philippe has successfully installed computers by using these updated Setup files. You want to ensure that these updated Setup files are automatically installed on Katrins computer during the upgrade.  Which command should you run to start Setup?（）

单项选择题 You are the desktop administrator for your company. The companys network contains a RIS server, a DHCP server, and a DNS server. You need to install Windows XP Professional on a computer that does not have a CD-ROM drive. The computer has the following configuration: a Pentium III 1-GHz processor, a 5-GB hard disk, 128 MB of RAM, a modem in the first PCI slot ,an Ethernet card in the last ISA slot. You attempt to install Windows XP Professional on the computer by using a RIS bootable floppy disk. However, you are unable to connect to the RIS server. What should you do?（）

单项选择题 You are the administrator of a Windows XP Professional computer named Pro1.  The computer is connected to the Internet. Pro1 provides Internet access to eight other Windows XP Professional computers that are connected to Pro1. You enable Internet Connection Sharing (ICS) and Windows Firewall on Pro1. You run an application named App1 on Pro1.  App1 communicates with an online training company on the Internet. To display an online seminar, the training company needs to contact the App1 application at port 5800. You want to ensure that the training company can connect to the App1 application. What should you do?（）