Final answer:
A smile, gait and body position, and a firm handshake are entrance skills that can impact first impressions in a job interview setting, while manner of dress is related to appearance rather than entrance skills. Entrance skills and good body language contribute to conveying a professional, likable, and competent image.
Step-by-step explanation:
A smile, gait and body position, a firm handshake, and manner of dress are all considered entrance skills that can influence nonverbal communication in a professional setting, such as a job interview. One of these options is not typically categorized as an entrance skill. While smiling, having a proper gait and body position, and offering a firm handshake are considered positive nonverbal cues, the manner of dress is more associated with personal presentation or overall appearance rather than an actionable 'entrance skill.
During interviews, entrance skills play a significant role. Various studies have demonstrated that certain nonverbal behaviors, such as eye contact and smiling, can affect likability and perceptions of competence. Moreover, good body language, including sitting up straight and demonstrating good posture, is pivotal in conveying a confident and professional image on camera.