A user has attempted to access data at a higher classification level than the user’s account is currently authorized to access. Which of the following access control models has been applied to this user’s account?
A. MAC
B. DAC
C. RBAC
D. ABAC
Answer: A. MAC
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If A and B each has an encrypted connection to a third party C, C can deliver a key on the encrypted links to A and B. A _________ center is responsible for distributing keys to pairs of users as needed.
Fill in the blank(s) with the appropriate word(s).
Case-based Critical Thinking QuestionsCase 13-2Judy has begun to apply the basic information that you have given her about schemas, and she would now like your help in mastering the details of how schemas work. Judy has included the following element definition in her schema:
A. an element containing only attributes B. an element with nested children C. an element with nested elements and attributes D. a sequence element
Which of the following operations do random access iterators have?
a) Prefix operator* to make available the container element for use as l-value or r-value. b) Overloaded binary operator+ to add an int value to the iterator to move the place the iterator points forward by the argument number of elements. c) Overloaded binary operator* to multiply the iterator by an int value to move the place the iterator points by a number of elements equal to the argument. d) Overloaded unary operator++ to move the place the iterator points forward by one element. e) Overloaded unary operator-- to move the place the iterator points backward by one element. f) Overloaded operator== and operator!= to determine whether two iterators point to the same element.
Describe how e-mail messages travel from sender to receiver. Include the names of the types of computers that are involved in the process, as well as the communications protocols that are typically employed.
What will be an ideal response?