OEC Multimedia Integration 2

Question 1

An online educator wants to add captions to a video for students who are deaf or hard of hearing. Which file format is most commonly used for timed text captions?

Accepted Answer

WebVTT

Answer

WebVTT (Web Video Text Tracks) is the standard format for timed captions and subtitles used in HTML5 video elements.

Question 2

When embedding a YouTube video into an LMS, which attribute should be added to the iframe to improve accessibility for keyboard-only users?

Accepted Answer

title

Answer

The title attribute on an iframe provides a descriptive label that screen readers announce to users navigating by keyboard.

Question 3

A teacher records a 45-minute lecture. To improve online engagement, what is the generally recommended maximum length per video segment?

Accepted Answer

6–9 minutes

Answer

Research on online learning (including Guo et al., 2014) consistently shows engagement drops sharply after about 6–9 minutes, so shorter segments retain attention better.

Question 4

Which principle of Universal Design for Learning (UDL) is primarily addressed by providing both video lectures and text-based transcripts?

Accepted Answer

Multiple means of representation

Answer

Offering information in more than one format (video + text) fulfills UDL's Multiple Means of Representation guideline.

Question 5

An educator is choosing between raster and vector graphics for an online diagram that students will zoom into on mobile devices. Which type should they choose and why?

Accepted Answer

Vector, because it scales without quality loss

Answer

Vector graphics (e.g., SVG) are mathematically defined and remain crisp at any zoom level, unlike raster images which pixelate when enlarged.

(OEC) Online Educator Certification Practice Test

(OEC) Online Educator Certification Practice Test

OEC Multimedia Integration 2