Final answer:
The possible violation of Federal Fair Housing is the increase in security deposit for female renters.
Step-by-step explanation:
The possible violation of Federal Fair Housing in the given options is a) Increase in security deposit for female renters.
The Fair Housing Act prohibits discrimination based on gender among other protected classes. It is illegal to charge different security deposit amounts based on gender. Discrimination in housing practices includes any unequal treatment based on race, color, religion, sex, national origin, disability, or familial status.
In contrast, options b) No visitors allowed after 10:00 PM, c) No drug use on the property, and d) No consumption of alcohol on the property do not violate the Federal Fair Housing Act as they are not discriminatory based on protected classes but rather enforce rules related to behavior and safety.