Final answer:
Database administration is the correct answer, as it deals with acquiring and managing database resources and access. A software developer works in the Tertiary sector, which represents service-based roles in the economy.
Step-by-step explanation:
The correct answer to the question is c. Database administration. Database administration involves the process of acquiring software and hardware resources for databases, controlling their use, and authorizing access to the database. Database administrators are responsible for ensuring the databases are secure, available, and performing well. Tools used by database administrators can include database user interface and query software like Microsoft Access, as well as office suite software such as Microsoft Office, which may feature spreadsheet software like Microsoft Excel for data analysis and reporting.
Answering the second question, a software developer would typically work in the Tertiary sector of an economy. This sector is responsible for providing services rather than producing goods, which is characteristic of the software development field.