Levels/L2 · OSI Model/Lesson 06Quiz · 06Level 2 QuizTest what you learned in this level: 8 questions, no timer. Wrong answers are corrected instantly.Duration4minLevelL2TypeQuizProgress6/ 6Question 01 / 08How many layers are in the OSI model?A4B5C6D7Next question→PreviousEncapsulationNextHTTP/HTTPS