The security architecture note of Chandrabhaga Urban Bank sets out four protection mechanisms. The rst gives every executing program its own address space, so that one program can neither read nor wr…

Question

The security architecture note of Chandrabhaga Urban Bank sets out four protection mechanisms. The rst gives every executing program its own address space, so that one program can neither read nor write the memory allotted to another and a fault in one cannot corrupt another. The second arranges the system in rings, the inner ones holding the more privileged code. The third divides memory into distinct areas by hardware. The fourth presents an object to its user by what it does and hides how it does it. The architect has asked for the rst of the four to be named exactly. The mechanism by which each process is con ned to its own address space, so that no process may reach the memory of another, is called:

Testwala · Accepted Answer

Process isolation

Answer: C. Process isolation

Answer: C. Process isolation