Okay, I got my CCNA a couple months ago and am going toward my MCSE now....however, I haven't dealt with subnetting since my course material in Cisco so please forgive me .....
I have the McGraw/Hill MCSA/E 70-291 book and am covering subnetting. I haven't dealt with subnetting in a while....here's my question (straight from the book)
If you have an IP of 10.10.1.0 /23 how many subnets does this give you?
Well, wouldn't you take 2 to the power of 7 giving you 128? The book says the correct answer is 32,766.
How in the world do you get 32,766 when the 3rd octet of the mask has7 networking bits?
I'm either way off base or the book has had 3 wrong answers when it comes to subnetting which I find hard to believe. Please help me out here.