Question

Q1) In a multiprogramming and timesharing environment, several users share the system
simultaneously. This situation can result in various security problems.
a. What are such problems?
b. Can we ensure the same degree of security in a time-shared machine as in a dedicated machine? Explain your answer.

Answer 1

Answer:

(A)The usual:

accessing (reading/modifying/creating) other users files

control of other users processes

fraudulent use of the computer (using others accounts)

denying others access to their data, processes, or the computer

(B)

We cannot ensure the same degree of security in a time-share machine as we have in a dedicated machine becausetime-share machine allows programs to run at the same time and allows many users to use it simultaneously. In this case, the degree of security is less compared to the security in a dedicated machine.

Explanation:

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