Preamble is a 7- octet pattern of alternating the 0's and 1's and it allow devices in the network to easily synchronized the receiver clock. It also provide the bit level synchronization.
It basically allow the start of frame delimiter to provide the byte synchronization and assign a new frame. The bits are transmit orderly from left to right in the frame.
Abby has received a request for a data set of actual data for testing a new app that is being developed. She does not want the sensitive elements of the data to be exposed. What technology should she use?
