Packet-Filtering Firewalls Examine Each Part of a Message and Determine

question 61

True/False

Packet-filtering firewalls examine each part of a message and determine whether to let that part pass.

---

Definitions:

Bridge

A structure built to span physical obstacles without closing the way underneath such as a body of water, valley, or road, for the purpose of providing passage over the obstacle.

Depth Perception

The ability to perceive the distance of objects in three dimensions.

Visual Cliff

An experimental apparatus used to study perception of depth and fear of falling in infants, illustrating their ability to perceive depth.

Size Constancy

The perceptual process by which we perceive an object as being the same size despite changes in the distance from which it is viewed.