456 CHAPTER 11 HTML5 supports multimedia
Answers
This section contains the answers to the lesson review questions in this chapter.Lesson 1
- Correct answer: A
A. Correct: The browser must support the codec that is specified but does not
attempt to download the specified codec automatically.
B. Incorrect: The browser does not attempt to download codecs automatically.
C. Incorrect: The browser only displays the contents of the - Correct answers: A and D
A. Correct: The .webm format is becoming popular on the latest browsers.
B. Incorrect: The .avi format is not compatible with most browsers.
C. Incorrect: The .mpg format is not compatible with most browsers.
D. Correct: The .mp4 format is compatible with Safari and Internet Explorer.
E. Incorrect: The .mjpg format is not compatible with most browsers. - Correct answer: E
A. Incorrect: The .webm format is becoming popular but has not been selected as a
standard.
B. Incorrect: The .avi format is not compatible with most browsers.
C. Incorrect: The .mpg format is not compatible with most browsers.
D. Incorrect: The .mp4 format is compatible with Safari and Internet Explorer but has
not been selected as a standard.
E. Correct: The W3C has not selected a standard format.
Lesson 2
- Correct answer: C
A. Incorrect: .The .mp4 format is not compatible with Chrome.
B. Incorrect: The .wav format is not compatible with Internet Explorer.
C. Correct: The .mp3 format is compatible with Internet Explorer, Safari, and Chrome.
D. Incorrect: The .oga format is not compatible with Internet Explorer.