Answer the following statements true (T) or false (F)

1. Security labels indicate which system entities are eligible to access certain resources.
2. Reliable input is an access control requirement.
3. A user may belong to multiple groups.
4. An access right describes the way in which a subject may access an object.
5. The default set of rights should always follow the rule of least privilege or
read-only access

1. False
2. True
3. True
4. True
5. True

Computer Science & Information Technology

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Can the system under consideration be represented as an actor? Justify your answer.

What will be an ideal response?

Computer Science & Information Technology

Extend the class diagram of Exercise 2–6 to include the following attributes:

• a book includes a publisher, publication date, and an ISBN
• a part includes a title and a number
• a chapter includes a title, a number, and an abstract
• a section includes a title and a number

Computer Science & Information Technology