Network+ N10-009 [Ep 5/75] - Ports and Protocols: The Network's Phone System | FREE Complete Course скачать в хорошем качестве

Network+ N10-009 [Ep 5/75] - Ports and Protocols: The Network's Phone System | FREE Complete Course

🎯 Episode 5/75: Ports and Protocols - The Network's Phone System Master the 25 ports CompTIA actually tests and lock in roughly 15% of your Network+ exam score. This episode breaks down ports and protocols with memory tricks, real firewall scenarios, and zero jargon—perfect if you're starting from scratch or coming from a non-technical background. What You'll Learn: ✅ Why ports exist and how they work (the apartment building analogy) ✅ The top 25 ports you MUST know for the N10-009 exam ✅ File transfer ports: FTP (20/21), SFTP (22), TFTP (69) ✅ Remote access: SSH (22), Telnet (23), RDP (3389) ✅ Email ports: SMTP (25/587), POP3 (110), IMAP (143), and secure variants ✅ Web traffic: HTTP (80) vs. HTTPS (443)—and why 443 is your most-tested port ✅ Network services: DNS (53), DHCP (67/68), SNMP (161/162), SMB (445) ✅ TCP vs. UDP differences and which protocols use which ✅ Real firewall configuration scenario (PBQ-style practice) ✅ Memory tricks that actually stick: "HTTP ate zero," "22 pairs of boots," and more ✅ Exam traps: secure vs. insecure protocols (FTP→SFTP, Telnet→SSH, HTTP→HTTPS) 🔗 SUBSCRIBE for the full 75-episode series 💬 Drop a comment with which port number you found easiest to remember! ⏱️ TIMESTAMPS 0:00 - Introduction: Why Ports Matter 0:50 - Career Impact: Real Firewall Story 1:26 - Our No-Fluff Approach 2:10 - What CompTIA Tests (Objective 1.4) 3:00 - Core Concept: The Apartment Building Analogy 5:33 - File Transfer Ports (FTP, SFTP, TFTP) 6:50 - Remote Access Ports (SSH, Telnet, RDP) 8:10 - Email Ports (SMTP, POP3, IMAP, Secure Variants) 9:35 - Web & DNS Ports (HTTP, HTTPS, DNS) 10:19 - Network Services (DHCP, SNMP, NTP, LDAP, SMB) 12:49 - Real-World Scenario: Configuring a Web Server Firewall 14:18 - Exam Trap: TCP vs. UDP & Secure Protocols 15:50 - Mini-Recap: The Top 6 Critical Ports 11:15 - Encouragement: You're Learning the Language 11:45 - Next Episode: IPv4 Addressing Preview 12:00 - Closing 📚 EXAM FACTS - N10-009 Exam Objective: 1.4 - Explain common ports, protocols, their application, and encrypted alternatives Domain 1 (Networking Concepts) = 23% of exam CompTIA tests ports through memorization questions, firewall configurations, protocol matching, and PBQs 💼 CAREER RELEVANCE Help Desk: RDP (3389) for user support, email troubleshooting (SMTP 25/587, POP3 110, IMAP 143) Network Admin: Firewall rules (port 443 for web, 22 for SSH), security audits Security Analyst: Monitor unusual port activity, block unnecessary services 📖 SERIES STRUCTURE Episode 5 of 75 in our complete Network+ (N10-009) course Previous: Ep.4 - TCP/IP Model Next: Ep.6 - IPv4 Addressing 🔗 RESOURCES CompTIA Network+ Objectives: https://www.comptia.org/certification... IANA Port Reference: https://www.iana.org/assignments/serv... 🎓 WHY THIS SERIES IS DIFFERENT Designed for career changers, non-technical professionals, and self-taught learners. No jargon, no gatekeeping—just plain-spoken teaching with real troubleshooting scenarios and genuine encouragement. 👍 LIKE | 💬 COMMENT | 📢 SHARE | 🔔 SUBSCRIBE #NetworkPlus #CompTIA #N10009 #PortsAndProtocols #ITCertification #NetworkingBasics #CyberSecurity #HelpDesk #CareerChange ⚖️ DISCLAIMERS CompTIA Trademark Notice: CompTIA Network+ and N10-009 are trademarks of CompTIA, Inc. This content is not affiliated with, endorsed by, or sponsored by CompTIA, Inc. Accuracy Commitment: While we strive for technical accuracy aligned with current N10-009 objectives, always verify information against official CompTIA materials and consult with certified professionals for critical implementations. Career Information: Job titles, salary ranges, and career progression described represent general industry trends and vary significantly by location, experience, organization, and market conditions. This content provides educational guidance but does not guarantee employment outcomes. Liability Limitation: This educational content is provided for certification study purposes. Applying network configurations in production environments should be done under supervision and with proper authorization. We are not liable for any damages resulting from implementation of techniques discussed. © 2025 PBQ Academy, Labbe Media, LLC. Educational content for CompTIA Network+ certification preparation.