A user calls the helpdesk and states that they are receiving an IP conflict error on their computer. The user is on a company network that uses DHCP. The technician verifies the PC is using DHCP to obtain TCP/IP settings. Which of the following commands should the helpdesk technician use to resolve this issue? (Select two.)
A. IPCONFIG /REGISTERDNS
B. IPCONFIG /FLUSHDNS
C. IPCONFIG /RELEASE
D. IPCONFIG /RENEW
E. IPCONFIG /ALL