Read the description of the PAT Sem 2 examination format:
The PAT Sem 2 examination consists of two sections: Section A, which assesses students' theoretical knowledge, and Section B, which evaluates their practical skills. The duration of the examination is 120 minutes, and students are required to complete both sections within the allotted time.
What is the primary distinction between Section A and Section B of the PAT Sem 2 examination?