What type of computer application allows a host to control imagery during a remote guest speaker session?

The correct choice for this question is related to the ability of a host to manage and control the imagery presented during a remote session. In a facilitated chat, the primary focus is on text-based interaction rather than visual elements, which makes it less suitable for managing imagery during a session.

On the other hand, a webinar is specifically designed for presentations and often includes video and imagery control features, enabling the host to share slides, images, and other visual content effectively. Video conferencing also allows for this capability but typically includes live video feeds from participants, which may not be the primary focus if a structured presentation is taking place. A synchronous forum involves real-time discussions but lacks robust features for controlling imagery.

Therefore, webinars and video conferencing are better options as they both facilitate the control of visual content during presentations, aligning with the requirements of managing imagery in a remote guest speaker scenario.