Today's IPv4 networks utilize private addressing to circumvent IPv4 exhaustion. This concept is mandatory for all network admins.
- [Presenter] While IPV4 addressing … is what currently connects most of networks … and carries a large portion of the information … across the internet, … globally routable IPv4 address space has become scarce. … We've already breached the exhaustion threshold … and internet registries have run out of IPv4 addressing … that can be allocated to various organizations. … This isn't a new issue. … In fact it was in the 1980's and early 90's … that mitigations began being put into place. … Two network level stop gaps were … private addressing and network address translation. … RFC1918 introduced three ranges of IP addressing … considered to be private addressing. … The concept of private means that these are not … IP addresses that are reachable … on the globally routed internet table. … In fact, they are only reachable … within a single organization. … This means that now using private addressing … networks of tens of hosts to thousands of hosts … can now be addressed without exacerbating IPv4 exhaustion. …
Note: A complete overview of the exam and registration instructions can be found at https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccna-200-301.html.
- Network models
- Network components
- Troubleshooting the interface and cable issues
- Configuring IPv4 and IPv6 addressing
- Switching concepts
- Switching configuration
- Wireless architectures
- Wireless security
Skill Level Intermediate
Networking Foundations: IP Addressingwith Timothy Pintello2h 35m Intermediate
1. Network Fundamentals
2. Network Access
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