Users Report They Periodically Cannot Access Shares on a File

Multiple Choice

Users report they periodically cannot access shares on a file server. The file server has a static IP address of 10.4.0.130. A technician discovers a message about an IP address conflict appearing on the file server. Which of the following should the technician do FIRST to resolve this issue?

A) Create a DHCP reservation
B) Enable DNS options
C) Increase the DHCP scope range
D) Reconfigure the default gateway on the server