What are the two types of video-communication systems?
(Отметьте один правильный вариант ответа.)
Варианты ответа
They are dedicated ones for important meetings and PC-based ones for everyday communication. (Верный ответ)
They are dedicated ones for important meetings and tablet-PC based ones for everyday communication.
They are dedicated ones for important meetings and smartphone-based ones for everyday communication.
They are digital ones for important meetings and PC-based ones for everyday communication.