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CompTIA Network+ N10-005 Authorized Exam Cram, Fourth Edition by Michael Harwood, Emmett Dulaney

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Exam Cram: The Network+ 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 feel 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.

Network 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).

Table 1. Summary of the OSI Model

Table 2. TCP/IP Model Compared to OSI Model

Table 3. Comparing IPv4 to IPv6

Table 4. ...

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