Negative space defines and emphasises the main subject of a photo, drawing your eye to it. it provides "breathing room", giving your eyes somewhere to rest and preventing your image from appearing too cluttered with "stuff". all of this adds up to a more engaging composition.
Answer:
There are outlines and contour lines
Explanation:
an outline is the line made by the edges of an object. Contour lines describe the shape of an object, and include interior detail.
Answer:
Fiber increases security but is more expensive than copper or wireless.
Explanation:
Fiber optic cables convert your data into light and send it as a laser through a reflective tube. You have to have a node on each side that is able to covert the light to and from data.
With copper or wireless on the other hand, your traffic can be intercepted much more easily as someone could just do a "man in the middle" attack. With copper it would be the physical installation of a switch or something along the line, and with wireless it would be a wireless interceptor (IMSI catcher).