Tech+ FC0-U71 Lesson 8: Networking Basics and Wi-Fi | IP, Ports, Wi-Fi Bands

CompTIA Tech+ exam prep (FC0-U71, FC0 U71, formerly IT Fundamentals+ ITF+) · free full course, practice test and exam questions, 2026. Full Tech+ FC0-U71 course in one video: https://youtu.be/bH-XoCArGkQ All Tech+ FC0-U71 videos in order: https://www.youtube.com/playlist?list=PLBAncVwQ-IbA Prepare for the Tech+ FC0-U71 exam (CompTIA Tech+). In this lesson: IP and MAC addresses, ports and protocols (HTTPS, SMTP, IMAP, POP3, FTP, SFTP, SSH), modems, routers, switches, access points, and firewalls, client-server and peer-to-peer, LANs and WANs, and Wi-Fi standards and bands (802.11n, ac, and ax; 2.4, 5, and 6 GHz), with Oakhaven Library, a fictional public library with three branches, as the running example. Includes three original practice questions. Chapters 0:00 Why is the Wi-Fi slow? 0:31 Network identifiers 1:25 Networking devices 2:08 Quick check 1 2:43 Network services 3:29 Network models and sizes 4:08 Quick check 2 4:46 Wi-Fi standards and bands 5:36 Quick check 3 6:19 Recap Based on CompTIA's official Tech+ (FC0-U71) exam objectives, document version 4.0. Tech+ (FC0-U71) launched on July 16, 2024, as the successor to IT Fundamentals+ (ITF+, FC0-U61). Information as of November 2026: check CompTIA's website for the current objectives. Practice questions are original and are not real exam questions. Narration uses a synthetic voice. Not affiliated with or endorsed by CompTIA. CompTIA and Tech+ are trademarks of CompTIA, Inc. #TechPlus #CompTIA #ITCertification