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AKTU : 5 Computer System Security Quiz answer

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AKTU : 5 Computer System Security  Quiz answer




Q:1. Chroot jail is used to _______ process and its children by ________ to the supplied directory name.

(a).isolate, changing the root directory

(b).change, the name

(c).execute, renaming it

(d).All of the above


Answer:- (b).change, the name

Q:2. Talking about Free BSD jail, which of the following is true ?

(a).It can only bind to sockets with specified IP address and autho-rized ports

(b).It can communicate with processes inside and outside of jail

(c).Root is limited (example: cannot load kernel modules)

(d).None of the above


Answer :-(b).It can communicate with processes inside and outside of jail

Q:3. Which of the following is incorrect for System call interposition?


(a).It tracks all the system service requests of processes.

(b).Each system request can be modified or denied.

(c).It is impossible to implement tools to trace, monitor, or virtualize processes.

(d).None of the above.

Answers:- It is impossible to implement tools to trace, monitor, or virtualize processes.

Q:4. Which of the following is a computer security utility which limits an application's access to the system by enforcing access policies for system calls?


(a). systrace

(b). NetBSD

(c). ptrace

(d).None of the above


Answer:- (a). systrace


Q:5. Which of the following uses a call back mechanism in the kernel module to redirect system calls?


(a). systrace

(b). ptrace

(c). ostia

(d). NetBSD


Answer :- (b). ptrace











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