Assessment is crucial to learning. Providing feedback, nudging learners to improve, and suggesting additional work and activities that could strengthen their learning are key to assessment for learning. Grading against clear rubrics that reflect the objectives of the course and intentions of the program of study is key to the assessment of learning and to the task of quality assurance.

Assessments using modern technology have the following benefits:

Cost Effectiveness
Flexibility for Candidates
Easy for Candidates to Use
Maintaining the Integrity of the Exam
Better Assessments
Reduced Administration Overhead

(https://www.testreach.com/benefits-of-online-assessment-testreach.html)

But they also have many disadvantages such as: 

Challenges in Technology Adoption
Infrastructural Barriers
Difficulty in Grading Long-answer Type
Susceptible to Cheating
Transitioning to Open-Book Exams

While technology continues to simplify processes for educational institutions, educationists, and students, it has limitations. However, choosing the right examination platform can help avert such drawbacks. An easy-to-use, robust, secure examination platform with all the latest AI-based anti-cheating measures enables credible results quicker.

(https://blog.mettl.com/advantages-disadvantages-online-examination/)