To be a guru, you must memorize the "Magic Row" of binary values:128 | 64 | 32 | 16 | 8 | 4 | 2 | 1
If you cannot find that exact title, these are equally good and free: ip subnetting from zero to guru pdf
To be a guru, you must memorize the "Magic Row" of binary values:128 | 64 | 32 | 16 | 8 | 4 | 2 | 1
If you cannot find that exact title, these are equally good and free: