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telc Deutsch Test Beruf C1

The business and vocational language examination for German at C1

The DTB C1 certificate demonstrates language ability in reading, listening, writing and speaking at level C1.

Structure of the examination

The examination consists of a written and an oral part. It tests the ability to communicate in an appropriate manner in a German-speaking workplace. 

For the Deutsch Test Beruf C1, test takers complete tasks involving the skills of reading, listening, writing and speaking. The examination tasks also contain elements of mediation. The content and nature of the texts in the reading and listening parts reflect everyday professional life.  

In the oral examination, test takers respond to input and express themselves orally. The focus is on direct communication between test takers and with the examiners and the topics and tasks are related to professions, everyday work and tasks that are completed in the workplace.  

 Subtest Number of parts Duration in minutes Additional information



Written examination 

Reading 445 
Reading and writing 120
Listening 420
Listening and writing 15
Language elements and writing 345
Oral examination Speaking 3approx. 16Pair examination 

This exam is available as a paper-based examination. It can NOT be taken as a partial examination. 


In the mock examination, you will find more important details, including a complete examination with solutions to prepare at home or in class. You will learn how the examination is carried out and how the written and oral performances are assessed.

The CEFR level C1

The Common European Framework of Reference for Languages (CEFR) defines six levels of competence: A1, A2, B1, B2, C1 and C2.  

  • Learners at level C1 can follow longer speeches, even if they are not clearly structured and contexts are not explicitly expressed, as well as understand television and radio broadcasts as well as sound recordings without too much effort . 

  • They can understand long, complex factual texts and perceive differences in style as well as understand technical articles and longer technical instructions, even if they are not in their own field of expertise. 

  • They can express themselves spontaneously and fluently without having to search for words more often in a clearly recognizable way. They can express their own  thoughts and opinions precisely and skillfully link their own contributions with those of others, as well as present complex issues in detail, connecting topics, elaborating on certain aspects in particular, and concluding their own contribution appropriately. 

  • They can express themselves clearly and in a well-structured way when writing and present their own views  in detail, write about complex issues in letters, essays or reports, highlighting the essential aspects and choosing the style that is appropriate for the respective readers. 

Why choose a telc language test?

telc language tests are recognised worldwide by schools, universities, employers and government authorities as valid proof of language proficiency at all six levels of the Common European Framework of Reference for Languages (CEFR). As a full member of ALTE (Association of Language Testers in Europe), telc is committed to complying with international quality standards. Regular audits are carried out to ensure we meet these standards.  

Find out more about telc quality standards.