The network the person overseeing network operations, uses a server operating system to add and remove users, computers, and other devices to and from the network.

i would say 3 because windows is the best but vista doesnt do updates anymore

no. when the asker posts the question they can make a question worth what ever they think is a fair price. although it must be within the limit of the points they currently own. 5 is the minimum number of points a question can be worth. if a question is complicated or has lots of parts to it, it is better to make it worth more because more people will be more willing to answer.

hope this !