Answer and Explanation:
Virtual machine have one imitated organize connector and there is one of a kind MAC address is allocated with it.  
The system driver of the Virtual machine's performs all the task:  
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The system driver places physical connector in 'promiscuous' mode implies physical connector will acknowledge all system parcel paying little heed to MAC address,then virtual machine's driver channels its bundles and direct it to the virtual machine.
 
 
        
             
        
        
        
<u>Normally windows end user can login 3 ways as follow:</u>
1. End user can Login as local account where user has not connected or even connected to local Area network LAN.
2. Next user can login into cloud accounts nothing but hot mail  accounts
3. Login to windows domain controller where end user should connect to LAN.
Purpose of installation of Windows domain controller with Active Directory is to keep trace and keep log history activities.
Due to windows domain controller with Active Directory end user desktop or laptop has control on software access also.
Every time when end user login on windows domain controller a small modified is executed whenever is required. It is not going effort the workstation performances.
Note: - Domain severs should be POWER on first.
 
        
             
        
        
        
The most efficient thing to do would be to provide training as firing or doing nothing halts productivity indefinitely while training eventually will finish
        
                    
             
        
        
        
Answer:
C is the answer!
Explanation:
A hard drive contains your operating system which can include your settings and preferences that you included in your device. But it mostly is a storage device so we know it WOULD NOT BE (B.
WOULD NOT BE D beacause powering it back on wouldnt do anything but bring you back to the start.
WOULD NOT BE A beacuse when taking out the battery then putting it back in would just be like turning it off then back on beacuse that just hold the power to a device.
IT WOULD BE C, C IS THE ANSWER beacuse a CMOS batttery contains the main system settings and  also contains information so i think C would be the best answer for this choice.
Hope this helps! 
xx <3