Final answer:
The Dai Viet used civil service examinations to recruit government officials based on merit. These exams were held on a three-year cycle and allowed for specialization. Other routes of recruitment included recommendation by high officials and military transfer.
Step-by-step explanation:
The Dai Viet, like the Chinese, used the civil service examinations as a means of recruiting government officials based on merit. These examinations were held on a three-year cycle and allowed for specialization in various subjects. While entering office through examination was the most prestigious route, there were also other routes of recruitment, such as recommendation by high officials or military transfer.