Why This Cheat Sheet Matters for APLUS1
This cheat sheet covers the most important Networking concepts tested on the APLUS1 (A+ Core 1) certification exam. It contains 1 sections with 12 key points. Use this as a quick-reference guide during your final review sessions.
1Sections
12Key Points
Common Ports
- 20/21 — FTP (data/control)
- 22 — SSH/SFTP
- 23 — Telnet
- 25 — SMTP
- 53 — DNS
- 67/68 — DHCP
- 80 — HTTP
- 110 — POP3
- 143 — IMAP
- 443 — HTTPS
- 445 — SMB/CIFS
- 3389 — RDP
Practice Networking 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.