单项选择题
Information is no good to you if you can’t （） it．The loction dimension of information means having access to information no matter where you are．Ideally, in other words，your location or the information’s location should not matter．You should be able toaccess information in a hotel room，at home，in the student center of your campus，at work，onthe spur of the moment while walking down the street，or even while traveling on an airplane．This location dimension is closely related to （）and wireless computing (and also ubiquitous computing)．
To keep certain information private and secure while providing remote access for employees，many businesses are creating intranets．An intranet is an （） organizational internet that is guarded against outside access by a special （） feature called a firewall (which can be software，hardware，or a combination of the two)．So，if your organization has an intranet and you want to access information on it while away from the office，all you need is Web access and the password that will allow you （） the firewall．
So，if your organization has an intranet and you want to access information on it while away from the office，all you need is Web access and the password that will allow you （） the firewall．
