Operating system mcqs file system interface protection

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Operating system mcqs file system interface protection

Question 6 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Many systems recognize three classifications of users in connection with each file (to condense the access control list).
A
Owner
B
Group
C
Universe
D
All of the mentioned
Question 7 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What will happen in a multi level directory structure?
A
the same previous techniques will be used as in the other structures
B
a mechanism for directory protection will have to applied
C
the subdirectories do not need protection once the directory is protected
D
none of the mentioned
Question 8 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
To control access the three bits used in UNIX are represented by .....
A
r
B
w
C
x
D
all of the mentioned
Question 9 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Universe consists of .....
A
all users that aren't included in the group or owners
B
all users that are not owners
C
all users in the system
D
none of the mentioned
Question 10 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main problem with access control lists?
A
their maintenance
B
their length
C
their permissions
D
all of the mentioned
There are 10 questions to complete.