Which statement is true about non-skippable in-stream ads? (Duplicate 3) - The Future Of Ink

Home Google Ads Video Certification Exam Which statement is true about non-skippable in-stream ads? (Duplicate 3)

Non-skippable in-stream ads are available on YouTube and advertiser websites.
Non-skippable in-stream ads are most similar to ads shown on TV.
Non-skippable in-stream ads are six-second ads that are shown before a video.
Non-skippable in-stream ads are bought on target CPM or CPV through Google Preferred.