Chen is preparing to write a feasibility report. his supervisor suggests he see if his software includes a template for this kind of document. how could a template chen?

The answer is c.  the soft ware is unable to you because it is open for the public to use. 

That i would call a dead end, since you can't know that it's always possible to immediately reconnect (server could be down, lines between you and the server could be down), and even if it was this would take some time slipping the packages out your wan in the meantime.the solution to this problem rather like satras says to block wan access for those hosts, and if policy routing is being used you need to use the soltion found by fastlanejb in this thread:   the link to the problem forum