Exam ✓ CRAMNetwork+ Cram Sheet
This Cram Sheet contains the distilled key facts about the CompTIA Network+ exam. Review this information as the last thing you do before you enter the testing center, paying special attention to those areas in which you think you need the most review. You can transfer any of these facts from your head onto a blank sheet of paper immediately before you begin the exam.
Networking Concepts
As data is passed up or down through the OSI model structure, headers are added (going down) or removed (going up) at each layer—a process called encapsulation (when added) or decapsulation (when removed).
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