A technician is working on a server that is experiencing network connectivity issues. The technician replaces the NIC on the server, but this does not resolve the issue. Which of the following troubleshooting steps should the technician do NEXT? 

Answer options:

A. Establish a new theory of probable cause
B. Perform a root cause analysis
C. Document findings, actions, and outcomes
D. Identify additional changes to the server

A