At which layers of the OSI model do 802.11 wireless LANs function?  (Choose all that apply.)

Excel's RANDBETWEEN function returns a random number from 0 to less than 1

Indicate whether the statement is true or false

What is the minimum amount of hard disk space required to install Windows 7 Professional?

A) 1GB B) 640KB C) 1.5GB D) 500MB