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. Describe each of the following four kinds of access control mechanisms in terms of (a) ease of determining authorized access during execution, (b) ease of adding access for a new subject, (c) ease of deleting access by a subject, and (d) ease of creating a new object to which all subjects by default have access. • per-subject access control list (that is, one list for each subject tells all the objects to which that subject has access) • per-object access control list (that is, one list for each object tells all the subjects who have access to that object) • access control matrix • capability

. Describe each of the following four kinds of access control mechanisms in terms of (a) ease of determining authorized access during execution, (b) ease of adding access for a new subject, (c) ease of deleting access by a subject, and (d) ease of creating a new object to which all subjects by default have access. • per-subject access control list (that is, one list for each subject tells all the objects to which that subject has access) • per-object access control list (that is, one list for each object tells all the subjects who have access to that object) • access control matrix • capability

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. Describe each of the following four kinds of access control mechanisms in
terms of (a) ease of determining authorized access during execution, (b) ease of
adding access for a new subject, (c) ease of deleting access by a subject, and (d)
ease of creating a new object to which all subjects by default have access.
• per-subject access control list (that is, one list for each subject tells
all the objects to which that subject has access)
• per-object access control list (that is, one list for each object tells all
the subjects who have access to that object)
• access control matrix
• capability

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