Netpractice 42 Tutorial Direct
You're referring to the "Net Practice" tutorial, specifically version 42.
4. Walkthrough of key levels
Level 1 – Simple LAN
- Two machines, one switch.
- Same network required.
- Choose any valid IPs in same
/24.
- IPCalc (subnet calculator) – but learning to do it manually is faster in the exam.
Master NetPractice 42: The Ultimate Tutorial to Networking Fundamentals netpractice 42 tutorial
| CIDR | Mask (Last Octet) | Block Size (Magic Number) | Subnets | | :--- | :--- | :--- | :--- | | /25 | 128 | 128 | 0 - 127, 128 - 255 | | /26 | 192 | 64 | 0 - 63, 64 - 127, 128 - 191, 192 - 255 | | /27 | 224 | 32 | 0 - 31, 32 - 63, etc... | | /28 | 240 | 16 | 0 - 15, 16 - 31, etc... | Two machines, one switch
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