The Global English Proficiency exams (GEP) conducted online at www.itestenglish.com use for evaluation the popular CEFR standard (Common European Framework of Reference for Languages). The six-reference English levels are accepted as the global, de facto standard for grading an individual’s language proficiency. The A1-C2 English levels are used by all modern English language books, language centers, English language programmes, schools, universities, and companies. It is recommended to use valid CEFR certification in job CVs (curriculum vitae, CV, Europass CV) and other English levels references.