File maintenance supports adding, modifying, or deleting records, as well as creating backup copies of the database
<u>The Virus:</u>
A virus can be defined as a malicious program, that breaks into the computer without the consent of the user and sometimes even without the knowledge of the user. Viruses are also of different types and categories.
There are certain kinds of malware and spyware that enter a computer and start encrypting the user's data. Generally, a user gets to know about the existence of a virus when the computer programs begin to misbehave. Some files get corrupted and the user can't access them anymore.
Some files and programs may also get deleted as if they weren't even present on the system. But in case someone has installed good anti-virus software, they will get a notification as soon as some file containing some kind of virus enters the computer.
Answer:
to evaluate the security and identify vulnerabilities of a business
Explanation:
Madison is an ethical hacker (white hat hacker), meaning she is hired by companies to make sure that "evil" hackers (black hat hackers) can't hack into their websites.
There are 6 possible outcomes and they are :
S={link1,link2,link3,link4,link5,leave}
this is the sample space for the outcome of a visitor to your webpage.
