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CCNA Exam Prep 5, IPv4 Addressing Basics and Private Ranges
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.
In this episode you will learn:
- The three RFC 1918 private IPv4 address ranges you must memorize: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.
- How to spot the common CCNA exam trap involving the 172.16.0.0 to 172.31.255.255 private range.
- The function of special addresses like the 127.0.0.0/8 loopback block for testing and the 169.254.0.0/16 APIPA range which indicates a DHCP failure.
- The difference between historical address classes (A, B, C) and how they relate to default subnet masks still relevant for the exam.
- The core networking strategy of using private addresses for internal LANs and Network Address Translation (NAT) for internet connectivity.
For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
View all episodes
By Ran Chen, EA, CFP®This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.
In this episode you will learn:
- The three RFC 1918 private IPv4 address ranges you must memorize: 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.
- How to spot the common CCNA exam trap involving the 172.16.0.0 to 172.31.255.255 private range.
- The function of special addresses like the 127.0.0.0/8 loopback block for testing and the 169.254.0.0/16 APIPA range which indicates a DHCP failure.
- The difference between historical address classes (A, B, C) and how they relate to default subnet masks still relevant for the exam.
- The core networking strategy of using private addresses for internal LANs and Network Address Translation (NAT) for internet connectivity.
For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep