Answer:
The answer is d) NIC.
Step-by-step explanation:
PXE Stands for Preboot Execution Environment and a PXE uses an NIC also know as Network Interface Controller. For an example: If you have a DELL Inspiron 8500 and you couldn't get it to work you would need to go through all boot-up system including a Preboot Execution Environment in the booting code protocols it would say connecting to NIC after 6 seconds it would say NIC connected then it would search for a boot device after a few munities since the DELL Inspiron 8500 is obsolete you would get this message:
No Boot Device found