When is it appropriate to use images in presentations?
a. to add color to a slide

b. to minimize empty space on a slide

c .to illustrate key points simply

d. to increase the complexity of a presentation

c. To Illustrate key points simply

Explanation:

Depending on your audience, Images help convey your messages or important points faster. Though they do not have to be much especially if irrelevant. Just focus on the point to be driven home and add images as needed.

NB. Too many irrelevant images can make your slide unnecessarily large in size.

b. related objects

explanation:

data is stored in related objects in an access database.

answer inspecting packets in isolation from their context;