Which of the following statements is TRUE regarding a Windows XP Professional computer which is not able to access the Internet?

Which of the following statements is TRUE regarding a Windows XP Professional computer which is not able to access the Internet?

A.
You should run the IPCONFIG /ALL command to check connectivity problems.

B.
You should run the IPCONFIG /RELEASE_ALL command to check connectivity problems.

C.
You should run the IPCONFIG /SHOWCLASSID command to check connectivity problems.

D.
You should run the IPCONFIG /SETCLASSID command to check connectivity problems.