Which of the following are true about OSI model data units? (Choose all that apply.)
A)an SDU has been passed down from a higher layer to a lower layer
B)encapsulation occurs when a higher layer adds headers to the PDU
C)an SDU at a given layer is the PDU of the layer below
D)a PDU will be sent to the peer layer at the receiving device

Question

Quizplus · Accepted Answer

An SDU (Service Data Unit) is passed down from a higher layer to a lower layer. A PDU (Protocol Data Unit) is sent to the peer layer at the receiving device.

Which of the Following Are True About OSI Model Data