Question 1

Apple's systems employs capability-based protection in the form of entitlements.

Accepted Answer

A) True 
 B)False

Question 2

Android cannot provide the same level of protection as UNIX, because it is not able to separate users.

Accepted Answer

A) True 
 B)False

Question 3

The owner right allows ___________

Accepted Answer

A)   addition of new rights only
B)   addition of new rights and removal of some rights
C)   removal of some rights only
D)   none of the aboveE) B) and D)
F) None of the above

Question 4

How does a lock-key mechanism work?

Accepted Answer

Each object has a list of unique bit pat...

Question 5

The kernel should not run with a higher level of privileges than user processes.

Accepted Answer

A) True 
 B)False

Question 6

What are the main reasons for implementing a protection subsystem?

Accepted Answer

The most obvious is the need to prevent ...

Question 7

Role-based access control (RBAC) increases the security risk associated with superusers.

Accepted Answer

A) True 
 B)False

Question 8

UNIX operating system associates a protection domain with the ____.

Accepted Answer

A)   task
B)   tread
C)   process
D)   userE) All of the above
F) A) and D)

Question 9

In a dynamic protection system, sometimes access rights to objects shared by different users need to be revoked.

Accepted Answer

A) True 
 B)False

Question 10

Domains cannot share access rights

Accepted Answer

A) True 
 B)False

Question 11

What are the main drawbacks of the implementation of the access matrix as a global table?

Accepted Answer

The table is usually large and thus cann...

Question 12

Describe how the access matrix is implemented in MULTISC.

Accepted Answer

MULTISC uses a combination of access lis...

Exam 17: Protection

What are the main drawbacks of the implementation of the access matrix as a global table?

Correct Answer
verified
The table is usually large and thus cann...
View Answer

Android cannot provide the same level of protection as UNIX, because it is not able to separate users.

Correct Answer
verified

In a dynamic protection system, sometimes access rights to objects shared by different users need to be revoked.

Correct Answer
verified

How does a lock-key mechanism work?

Correct Answer
verified
Each object has a list of unique bit pat...
View Answer

Apple's systems employs capability-based protection in the form of entitlements.

Correct Answer
verified

UNIX operating system associates a protection domain with the ____.

Correct Answer
verified

Role-based access control (RBAC) increases the security risk associated with superusers.

Correct Answer
verified

The kernel should not run with a higher level of privileges than user processes.

Correct Answer
verified

The owner right allows ___________

Correct Answer
verified

Describe how the access matrix is implemented in MULTISC.

Correct Answer
verified
MULTISC uses a combination of access lis...
View Answer

Domains cannot share access rights

Correct Answer
verified

What are the main reasons for implementing a protection subsystem?

Correct Answer
verified
The most obvious is the need to prevent ...
View Answer

Exam 17: Protection

What are the main drawbacks of the implementation of the access matrix as a global table?

Correct AnswerverifiedThe table is usually large and thus cann...View AnswerShow Answer

Android cannot provide the same level of protection as UNIX, because it is not able to separate users.

Correct AnswerverifiedShow Answer

In a dynamic protection system, sometimes access rights to objects shared by different users need to be revoked.

Correct AnswerverifiedShow Answer

How does a lock-key mechanism work?

Correct AnswerverifiedEach object has a list of unique bit pat...View AnswerShow Answer

Apple's systems employs capability-based protection in the form of entitlements.

Correct AnswerverifiedShow Answer

UNIX operating system associates a protection domain with the ____.

Correct AnswerverifiedShow Answer

Role-based access control (RBAC) increases the security risk associated with superusers.

Correct AnswerverifiedShow Answer

The kernel should not run with a higher level of privileges than user processes.

Correct AnswerverifiedShow Answer

The owner right allows ___________

Correct AnswerverifiedShow Answer

Describe how the access matrix is implemented in MULTISC.

Correct AnswerverifiedMULTISC uses a combination of access lis...View AnswerShow Answer

Domains cannot share access rights

Correct AnswerverifiedShow Answer

What are the main reasons for implementing a protection subsystem?

Correct AnswerverifiedThe most obvious is the need to prevent ...View AnswerShow Answer

Correct Answer
verified
The table is usually large and thus cann...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Each object has a list of unique bit pat...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
MULTISC uses a combination of access lis...
View Answer

Correct Answer
verified

Correct Answer
verified
The most obvious is the need to prevent ...
View Answer