Exam catalog
86 stackable modules. Each module has its own levels (L1–L5), exam and badge. Take only the exams that fit you.
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Specializations
SPEC-EXCEL
Excel Expert
Advanced lookup, nested logic, multi-criteria aggregation, modeling
25 min$49AI-freePhase 4
SPEC-GIT
Git Master
History surgery, reflog recovery, bisect, interactive workflows
25 min$49AI-freePhase 4
SPEC-SHELL
Shell Scripting Expert
Robust scripts with error handling, complex pipelines under time pressure
25 min$49AI-freePhase 4