If a student downloads the PDF from a "gray" site, they will likely find themselves reading instructions for a network topology they do not have access to. The instructions might say, "Connect to Router R1 and configure interface GigabitEthernet0/1," but without the specific virtual topology file required by the lab, the text alone is difficult to practice with.
: Features dedicated note-taking pages between labs for classroom use. If a student downloads the PDF from a
: Implementation of NTP, HSRP, VRRP, GLBP, and NAT. If a student downloads the PDF from a