Comprehensive and Detailed in Depth Explanation:
Passive candidates are individuals who are not actively seeking a new job but may be open to opportunities if approached. Social networking platforms (e.g., LinkedIn) provide access to such candidates because they allow recruiters to search for and engage with professionals who are not actively applying but have profiles showcasing their skills and experience.
* Option A (Applicant tracking):This refers to a system for managing applications, typically from active candidates.
* Option B (Social networking):Correct, as platforms like LinkedIn are ideal for reaching passive candidates.
* Option C (Referring employees):Employee referrals often yield active candidates, as employees recommend people they know are interested.