单项选择题 You are a network administrator for your company. The company has a main office and a branch office. The branch office has a cable modem connection to the Internet and uses a virtual private network (VPN) connection to access resources on the main office network. The cable modem is connected to a Windows XP Professional computer named Pro1. You configure Internet Connection Sharing (ICS) on Pro1 to allow users in the branch office to use the VPN connection. ICS sets the network adapter to use the IP address 192.168.0.1. Several sales representatives in the branch office use wireless network adapters to share files between their client computers. They need access to the VPN connection to upload sales reports to the main office. You install a wireless network adapter in Pro1 and configure it with the appropriate settings for the wireless LAN. The sales representatives who use the wireless LAN report that they cannot access the VPN connection. However, they are able to connect to resources in the branch office. Users on the wired network do not report any connectivity problems. The sales representatives need to be able to access the VPN. What should you do?（）

单项选择题 You are the network administrator for your company. The network consists of a single Active Directory domain. All client computers run Windows XP Professional. The company has a large number of sales representatives who need access to the company network when they travel. A Windows 2000 Server computer is configured to allow users to access the network by using a dial-up connection. Several of the sales representatives occasionally travel to rural locations that have telephone lines that use outdated technology. The sales representatives report that when they attempt to establish a dial-up connection in these locations, they receive the following error message: "The server is not responding." They cannot connect to the remote access server or to the company network. Users who travel to urban areas do not report this problem. You investigate and find out that the server is running properly, but the problem persists. The sales representatives need to be able to use the dial-up connection to access the company network. What should you do?（）

多项选择题 You are a help desk technician for your company. Susan is an executive. Because Susan travels frequently, she uses a Windows XP Professional portable computer that has a smart card reader.  Susan asks you to configure her computer so that she can dial in to the company network when she is out of the office. Company security policy states that dial-in users must use a smart card when they connect to the network, and that the users must use the strongest form of data encryption possible. Company security policy also states that client computers must disconnect if the Routing and Remote Access server does not support both smart card authentication and the strongest possible authentication. You need to configure the dial-up connection properties on Susan’s computer to dial in to the company network. Your solution must ensure that company security policies are enforced.  Which three actions should you perform?（）