Final answer:
The question asks about the minimum character length for a Telestaff password. While the exact policy for Telestaff is not given, the best practice for password security is typically a minimum of 8 characters.
Step-by-step explanation:
The question pertains to the minimum number of characters required for a Telestaff password. Without specific reference to Telestaff's actual password policy, we generally advise that passwords should have a sufficient length to ensure security.
While Telestaff's specific requirements are unknown, common best practices suggest a minimum of 8 characters to provide adequate security. Therefore, the most likely answer, based on standard security practices, would be option C) 8 characters.