A space-division multiplexing technique where the data stream is split into multiple parts called spatial streams"

Which of the following is built into an upright cabinet that stands alone?

A. rack server B. tower server C. blade server D. bay server

The ____ layer of the OSI model makes sure the data received at the very end of a transmission is exactly the same as the data originally transmitted.?

A. ?application B. ?session C. ?transport D. ?network access