How many levels of headings HTML has?
A. 6
B. 3
C. 7
D. 2
Answer: Option A
A. 6
B. 3
C. 7
D. 2
Answer: Option A
. . . . . . . . defines the accelerator key to be used for keyboard access to an element.
A. data-X
B. accesskey
C. rp
D. command
Which one of the following is not the online video format available?
A. Ogg Theora
B. VHS
C. WebM
D. H264
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