I believe the answers would be A and B. Because you have to fulfill Chantelle's wishes and you have to access their data. Which I am guessing would require a database backup.
I hope this helps.
Answer: Your friend wants you to email her.
Explanation:
Electronic control unit (ECU)is a general term for any of a number of computer modules that receive input from sensors in your automobile and control different electrical functions
The ECM is basically an on-board computer in your car it is the most common
On-board diagnostics (OBD) is an automotive term referring to a vehicle's self-diagnostic and reporting capability.
ABS controls anti lock breaks
Answer:
a. Data link layer
Explanation:
A trailer / footer is the additional data (metadata) which is positioned at the end of the data block being stored or transferred,it may contain information for the processing of the data block or simply placed at the end of the block.
In data transmission, the data is called the payload or body after the end of the header and before the trailer starts.
In Data link layer, it contain three parts-
- Frame header
- Frame data
- Frame footer
