How to prepare for the German TestDaF exam

How to prepare for the German TestDaF exam
Megan describes how she prepared for TestDaF in one month with the right techniques and materials - she scored TDN5 in 3 modules and TDN4 in 1 module.
https://ichhabeschwein.tumblr.com/post/174541084167/testdaf-schreiben

How to prepare for the German C2 proficiency exam

47 year journey to the German C2 exam
Brian's story of how he prepared for and aced the German C2 exam after a long journey in life and a challenge from a government official
http://brianjx.altervista.org/GermanC2exam.html