1. Overview The telc Deutsch B1 (also historically known as the Zertifikat Deutsch or ZD ) is a standardized, internationally recognized language examination. It certifies that a learner has an independent command of the German language at Level B1 of the Common European Framework of Reference for Languages (CEFR) .
1. Overview The telc Deutsch B1 (also historically known as the Zertifikat Deutsch or ZD ) is a standardized, internationally recognized language examination. It certifies that a learner has an independent command of the German language at Level B1 of the Common European Framework of Reference for Languages (CEFR) .