Why This Cheat Sheet Matters for NETPLUS
This cheat sheet covers the most important Network Fundamentals concepts tested on the NETPLUS (Network+) certification exam. It contains 1 sections with 7 key points. Use this as a quick-reference guide during your final review sessions.
1Sections
7Key Points
OSI Layers (top to bottom)
- 7. Application — HTTP, FTP, SMTP, DNS, SNMP
- 6. Presentation — Encryption, compression, format translation
- 5. Session — Session establishment and teardown
- 4. Transport — TCP (reliable) / UDP (fast). Segments. Ports.
- 3. Network — IP addressing, routing. Packets. Routers.
- 2. Data Link — MAC addresses, switching. Frames. Switches.
- 1. Physical — Cables, signals, bits. Hubs, repeaters.
Practice Network Fundamentals Questions
Put your knowledge to the test with practice questions.
CompTIA Acronym Quick Reference
CompTIA exams are packed with acronyms — memorising key acronyms and their meanings is critical. Each exam has an official list of acronyms in the exam objectives document. Focus on acronyms that appear across multiple domains, as these represent the most frequently tested concepts. Our flashcard decks are designed to drill these acronyms efficiently.