A technician is configuring a computer lab at a school. The computers need to be able to communicate with each other, but students using the computers should
not be able to access the internet. Which of the following rules on the firewall should the technician configure for the lab computers?
A.
Block all LAN to LAN traffic
B.
Block all LAN to WAN traffic
C.
Block all WAN to LAN traffic
D.
Block all WLAN to WAN traffic
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Wouldn’t this be LAN to WAN?
Thought the same thing, but when you think of it this way, blocking WAN to LAN would mean denying requests saying “hey internet, give me things”, would be synonymous with blocking all WAN to LAN traffic. Maybe this is the train of thought required here? iDunno.
Remember the internet (HTTP, HTTPS) and are TCP protocols, the 3 way hand shake…
Hey are you there?
Yes, I am here and I see you.
Send me this web page.
Since the WAN traffic is blocked, the computers in the lab are not getting the “Yes, I am here…” response from whatever destination they are trying to reach it will pop a “The requested website could not be reached” message on the computer in the lab.