Your network contains a Web server named server1. contoso.com. All client computers on the network run Windows XP Professional. Server1. contoso.com is located in a remote site. You suspect a communication problem between a computer and server1. contoso.com. You need to view the amount of packet loss occurring on each network segment between the computer and server1. contoso.com. What should you do?（） 

• A、Repair the local area connection. 
• B、Review the status for the local area connection. 
• C、At the command prompt, run tracert server1. contoso.com.
• D、At the command prompt, run pathping server1. contoso.com.