You are a desktop support technician for your company. All client computers run Windows XP Professional and are configured as DHCP clients.

A user reports that her portable computer is not able to access any Web sites now that she is in the main office. You discover that the computer was able to access all Web sites this morning while at the branch office.

You verify that the computer is properly connected to the network and that it can ping its loopback address. You discover that the computer is unable to ping any Web site by using the IP address. You need to ensure that the computer can access Web sites.

What should you do first?

A.
Run the netsh command from a command prompt window

B.
Run the ipconfig /renew command from a command prompt window.

C.
Modify the default gateway in the user’s network configuration.

D.
Modify the DNS server IP address in the user’s network configuration.