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CCNA - Subnetting
| Question | Answer |
|---|---|
| 2^1 | 2 |
| 2^2 | 4 |
| 2^3 | 8 |
| 2^4 | 16 |
| 2^5 | 32 |
| 2^6 | 64 |
| 2^7 | 128 |
| 2^8 | 256 |
| 2^9 | 512 |
| 2^10 | 1024 |
| 2^11 | 2048 |
| 2^12 | 4096 |
| 2^13 | 8192 |
| 2^14 | 16384 |
| subnet mask /8 | 255.0.0.0 |
| subnet mask /9 | 255.128.0.0 |
| subnet mask /10 | 255.192.0.0 |
| subnet mask /11 | 255.224.0.0 |
| subnet mask /12 | 255.240.0.0 |
| subnet mask /13 | 255.248.0.0 |
| subnet mask /14 | 255.252.0.0 |
| subnet mask /15 | 255.254.0.0 |
| subnet mask /16 | 255.255.0.0 |
| subnet mask /17 | 255.255.128.0 |
| subnet mask /18 | 255.255.192.0 |
| subnet mask /19 | 255.255.224.0 |
| subnet mask /20 | 255.255.240.0 |
| subnet mask /21 | 255.255.248.0 |
| subnet mask /22 | 255.255.252.0 |
| subnet mask /23 | 255.255.254.0 |
| subnet mask /24 | 255.255.255.0 |
| subnet mask /25 | 255.255.255.128 |
| subnet mask /26 | 255.255.255.192 |
| subnet mask /27 | 255.255.255.224 |
| subnet mask /28 | 255.255.255.240 |
| subnet mask /29 | 255.255.255.248 |
| subnet mask /30 | 255.255.255.252 |