单项选择题 You are the network administrator for your company. The company has a main office and a branch office. All client computers run Windows XP Professional. Computers in the main office receive their TCP/IP configuration from DHCP. TCP/IP settings are manually configured on computers in the branch office. The network is configured as shown in the exhibit. Marc is a user who works in the main office. He uses a Windows XP Professional portable computer named Portable1.  When he uses Portable1 in the main office, he is able to access resources that are located in both offices. Marc reports that when he visits the branch office and uses Portable1, he is not able to access any network resources that are located in either office. All other users in the branch office are able to access all network resources that are located in both offices. You need to ensure that Marc is able to use Portable1 to access all network resources when he is in either the main office or the branch office. You want to ensure that this goal is accomplished with the minimum amount of administrative effort, with no future administrative action required. What should you do?（）

单项选择题 You are the desktop administrator for your company. The companys network consists of a single Active Directory domain. All client computers are Windows XP Professional computers that have manually configured IP addresses. A new user named Marc reports that he cannot connect to the network. All other users can connect to the network. You run IPconfig.exe on Marcs computer, and you receive the following response. Windows IP Configuration. Ethernet adapter Local Area Connection:  You want to ensure that Marc can connect to the network. What should you do?（）

单项选择题 You are the administrator of your company’s network. The network consists of a single Active Directory domain. The network includes Windows XP Professional and Windows 2000 Professional client computers. All computers have manually configured IP addresses. A portion of your network is shown in the Configuration exhibit. You install a new Windows XP Professional client computer on Subnet2.  The user of this computer reports that she cannot access an application hosted on APPSRV1.  When she tries to access the application, she receives the following error message: “Network path not found.” The user verifies that she can access resources on other servers located on both subnets. You view the configuration of her network connection, as shown in the Network Connection Details exhibit. You need to ensure that the user can access the application on APPSRV1. What should you do?（）