In what two ways does a demilitarized zone (DMZ) protect a computer network from attacks? o by setting rules to filter incoming and outgoing traffic
by blocking data pockets from entering the network it is protecting
by having limited access to the private network it is protecting
by analyzing a network for unusual activities
by interacting directly with the external network
We

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only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.