Tests of French as a foreign language have a limited duration. It certifies your level at a point-in-time.

The "TCF-DAP"

These are tests of general language proficiency used by the French Ministry of Higher Education and Research. They are made up of mandatory and optional components.

The TCF-DAP was especially designed for use with the DAP process (admission to first year of university study). It includes the mandatory portions of the TCF plus a test of reading comprehension. 

The TCF is administered in 629 approved centers in 129 countries.

The "TEF"

The TEF is a test developed by the Paris chamber of commerce and industry. It measures test-takers' knowledge of general French through the 100-question QCM component, in addition to two supplemental tests, one written, one oral. 

The TEF can be taken in 400 centers in about 100 countries.