<u>Explanation:</u>
a.
- One user can read the private data of another user-privacy.
- One user can prevent another user from getting anything done-denial of service.
Indeed, in any multiprogramming and time-sharing environment since the computers of users are networked together, then it is very possible for a bad actor to read the private data of another user, or even prevent another user from accessing their computer by employing a denial of service attack on the network. In other words, the network would be unable to handle the request of users since has been overloaded by another user.
b. a. Yes - if we can ensure that the operating system prevents any sharing of data between users, either for reading or writing and fairly shares the computer, then we can achieve the same level of security.
Answer: Information MIS infrastructure
Explanation: Information MIS infrastructure is the company model that is used for supporting the task functioning . The main aim of this tool is to be used in backing -up , plan of diasater recovery and plan of business continuity.
These objectives are achieved by availability, portability , scalability , accessibility, maintainability etc characteristic. Francis is also involved in information MIS infrastructure by maintaining the payroll, records,history of employment etc, securing the information,etc.
