You can see in the course description in LearnIT what variation applies to your specific exam for the course.
B1I
Oral exam with time for preparation.
In-house. The preparation will take place at the university.
B1H
Oral exam with time for preparation at home
Typically, the preparation time is 24-48 hours, but could be a week or more.
B1GI
Oral exam in group, with time for preparation. The preparation will take place at the university.
Group exam forms You can find a description of the five different exam forms here
B1MI
Oral exam in group or individual, with time for preparation. The preparation will take place at the university.
B1GH
Oral exam in group, with time for preparation at home.
B1MH
Oral exam in group or individual, with time for preparation at home.
B22
B2G
Oral exam in group, no time for preparation.
B2M
Oral exam in group or individual, no time for preparation.