Question

question 15 (1 point)
setting a poster frame does what?
a creates an audio marker
b adds a fade effect
c selects a thumbnail image to represent the clip
d changes the clips color label

question 16 (1 point)
which effect is used to remove a green background?
a track matte
b keylight
c ultra key
d color replace

question 17 (1 point)
when keying out green screen, which property helps fine-tune edges?
a crop
b matte generation
c effect controls
d output mode

Explanation:

• Question 15: In video - editing software, a 'poster frame' is used to select a thumbnail image that represents the clip.
• Question 16: Ultra Key is an effect commonly used to remove a green background (chroma - keying). Key light is more about lighting for keying, Track Matte is for using a matte from another track, and Color Replace changes a color but not specifically for removing a background like green.
• Question 17: Matte Generation is related to creating and fine - tuning the matte (the area that is made transparent or semi - transparent) when keying out a green screen, which helps in fine - tuning the edges. Crop is for cutting parts of the video, Effect Controls is a more general term for controlling effects, and Output Mode is about how the final output is presented.

Answer:

• Question 15: C. Selects a thumbnail image to represent the clip
• Question 16: C. Ultra Key
• Question 17: B. Matte Generation