Each layer in a protocol stack may add a(n) ____ to the data as it is passed down the layers.

A. PDU
B. MTU
C. CRC
D. LLC

Answer: A

Computer Science & Information Technology

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The World Wide Web Consortium has created a set of ____, or specifications, that all browser manufacturers follow.

A. indices B. standards C. sheets D. styles

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The Paste in Front command pastes the contents of the clipboard in front of a selected object.

Answer the following statement true (T) or false (F)

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Consider the following schema:

Transcript(StudId, CrsCode, Semester, Grade)
Teaching(ProfId, CrsCode, Semester)
Professor(Id, ProfName, Dept)
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