What is not a variable that an network access control list can filter traffic with?
a.
the operating system used by the source or destination device.
b.
the transport layer protocol used for the packet.
c.
the network layer protocol used for the packet.
d.
the source or destination tcp/udp port number in the packet.

adbusters is an oppressive not-for-profit organization, founded in 1989  determined to end capitalism. the goal is to  spread their message through a self published magazine (which contains no advertisements). the likely reason why adbusters publishes a magazine with spoof advertisements is that  adbusters wants to encourage consumers to think critically about ads. 

basic (beginner's all-purpose symbolic instruction code)[1] is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.