Which of the following communications service provides message preparation and transmission facilities?

Which of the following communications service provides message prepara

1.	Which of the following communications service provides message preparation and transmission facilities?
A.	Teletex
B.	Teletext
C.	x400
D.	Fax
E.	None of the above
Answer» B. Teletext

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Which of the following communications service provides message preparation and transmission facilities?

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