____________ defines the accelerator key to be used for keyboard

defines-the-accelerator-key-to-be-used-for-keyboard

____________ defines the accelerator key to be used for keyboard access to an element.

A. data-X

B. accesskey

C. rp

D. command

The question was posed to me in an internship interview.

My enquiry is from Embracing the Reality of Web Markup topic in chapter HTML Markup, Forms, Video, Audio & Other Multimedia of HTML

Right answer is B. accesskey

To explain: Command tag specifies a command provided with action. When one want to provide parentheses around ruby text, rp tag is used. The accesskey attribute specifies a shortcut key to activate/focus an element. Data-X stores data.