Question: what does it mean for a network to be scalable? 

Answer: It typically means that it is designed or built with room to grow, or be scaled, when more users or more capacity is needed.\n\nFor instance, if you have a new company with 24 people and you buy only a 24 port switch and cram it into a small network closet with your server and UPS and phone system so that you've used all your outlets and used all your network ports .. then you really have built a scalable network that you can easily add users to.
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