<span>A wiki is this type of site. The users can, anonymously or with a profile, add to or delete content already posted. This gives the community the ability to add to the overall knowledge base on a specific subject. The site tracks changes through IP addresses to make sure that changes are not done maliciously.</span>
_____ sites are remote servers accessible with a browser that contain common collections of diagnostic tools such as ping and traceroute, plus some Border Gateway Protocol (BGP) query tools.
