weierstrass's Journal: i like this game

but i refuse to call it a 'meme'

1. Grab the nearest book.
2. Turn to page 23.
3. Find the fifth sentence.
4. Post the text of the sentence in your journal along with these instructions.

the 5th and final sentence on page 23: "During the lessons, you learn when subnetting is necessary, how and when to use a default subnet mask, how to define a custom subnet mask, and how to create a range of valid IP addresses for each subnet."