On acceptance you will be asked to submit an administration fee of $45.00 Canadian ( North America). Outside North America the administration fee is $85 Canadian.
Whether or not that's acceptable in Canada, it's not allowed according to UAE law. Job seekers should not be charged any fees by an employment agency for finding them a job (fees for writing a CV, and other services may be possible but make sure there's a clear distinction before you pay any money). Usually it's the employer that pays the fee.
There are a few other red flags thrown up when browsing their website that are a concern, and searching through the internet will reveal a good number of dissatisfied customers who paid money and heard no more from dubaijobs.net.
Some general Dubai jobs hunting information...
Employment agencies in Dubai - a list of some to try, and some with question marks
Jobs in Dubai - general guide
CV Dubai - a brief example
Has anyone dealt with dubaijobs.net? What did you think of them?
www.uaestaffing.com (links to separate discussion) is a similar outfit but with UK and other country contact details.