Answer:
account recovery
Explanation:
account recovery, provides options for getting access to your old password or resetting the account to a temporary password; users will change to a permanent password upon first login.
There is no truly unique identifier assigned to a PC. Any appearance of a unique ID is merely an illusion. The closest thing there is to a unique identifier is a MAC address, which is actually assigned to a network adapter (Ethernet port, wireless radio, etc.) and is usually unique but can be faked
A. by combining similar instructions into groups, which will then execute in parallel