In the context of Continuous and Comprehensive Evaluation (CCE), which of the following statements is most accurate and analytical regarding the objectives and nature of 'Diagnostic Assessment' and 'Summative Assessment'?

In Continuous and Comprehensive Evaluation (CCE), the main objective of Diagnostic Assessment is to identify obstacles, weaknesses, and misconceptions in the students' learning process so that Remedial Teaching can be conducted accordingly. In contrast, Summative Assessment is conducted after a specific period (such as the end of the session or half-yearly) to evaluate the total achievement of students and award them grades or certificates.