Final answer:
Muhammad bin Qasim occupied the areas of Sindh and part of Punjab, being a notable general of the Caliphate.
Step-by-step explanation:
The areas that were occupied by Muhammad bin Qasim are Sindh and parts of Punjab. Muhammad bin Qasim was a general who conquered the Sindh and Punjab regions along the Indus River in the 8th century. His conquests marked the westernmost expansion of rule in the Indian subcontinent, laying the foundations for subsequent Muslim rule in this part of the world.