Final answer:
A service desk analyst may ask a customer to fax information instead of relating it over the phone. This allows the analyst to have a physical copy of the document for more accurate handling of the incident.
Step-by-step explanation:
A service desk analyst may ask a customer to fax information instead of relating it over the phone. This can be done when the analyst needs more accurate information to handle an incident, such as a form or a report with an error message. By receiving the information through fax, the analyst can have a physical copy of the document, making it easier to analyze and troubleshoot the problem.