Drive maximum reach and video completions with a combination of skippable and non-skippable in-stream ads. Skippable ads let viewers skip after 5 seconds, while non-skippable ads are 15 seconds or shorter. This ad format mix maximizes audience reach and video completions.

• You should use masthead ads and bumper ads.
• You should use skippable in-stream ads and bumper ads.
• You should use masthead ads and non-skippable in-stream ads.
• You should use skippable in-stream ads and non-skippable in-stream ads.

The correct answer is: You should use skippable in-stream ads and non-skippable in-stream ads.

Explanation: To achieve maximum reach and video completions, the advertiser should use a mix of skippable in-stream ads and non-skippable in-stream ads. Skippable in-stream ads allow the viewer to skip the ad after 5 seconds, while non-skippable in-stream ads do not give the viewer the option to skip and are typically 15 seconds or shorter. This combination of ad formats will help drive maximum audience reach and maximum video completions.