<span>When information about a person remains on the internet indefinitely it is known as digital footprint. 
</span>A digital footprint is all of the information on-line about a person posted by that person or others,<span>intentionally or unintentionally.
</span><span>Protecting what is added to your digital footprint is very important.</span>
        
             
        
        
        
Answer:
I think its option a. and d.
Explanation:
option a. is right I'm sure.
option b. and c. are doubtful for me.
option d. can be true. but unlike a job letter, resumes carry a deeper view of the employee's accomplishments and qualifications. 
but I still hold with option a. and b. if it's wrong please do inform, so I can refer.
 
        
             
        
        
        
Answer: WIDE AREA NETWORK (WAN)
Explanation: hopes this helps
 
        
             
        
        
        
Answer:
Msinfo32.exe, cmd
Explanation:
The msinfo.exe is a tool that gathers information concerning your computer system and displays a comprehensive view of your system components, hardware, and software environment, that can later be use to diagnose computer issues.
Command Prompt is an interpreter application for command line which is available in nearly all Windows operating systems. It is utilized for executing entered commands.