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A common technique for inhibiting password guessing is to disable an account after three consecutive failed login attempts.
a) Discuss how this technique might prevent legitimate users from accessing the system. Why is this action a violation of the principle of least common mechanism?
b) One can argue that this is an example of fail-safe defaults, because by blocking access to an account under attack, the system is defaulting to a known, safe state. Do you agree or disagree with this argument? Justify your answer.
Auditing is an significant tool to help discover security breaches, yet many organizations do not implement auditing practices.
Explain in scholarly detail how to carry out Straight-line Depreciation Method calculations.
Write a statement for security policy for the following:Let LAN for small 100-person business, Pixel Inc. Business occupies one floor in office building. Everybody has a computer on his or her desk.
Let X = Z × (Z {0}). Define the relation on X by (x, y) (z, t) ↔ xt = yz for every (x, y), (z, t) ∈ X. Show that this is an equivalence relation on X.
Provide two examples of threats to boats/ships for which manufactures and/or regulators have instituted controls. Describe the vulnerabilities for which the controls were created.
How has the configuration for connecting input/output (I/O) devices to computers on the motherboard changed since the late 1980s?
Crypto device encrypts every message into 20 bits of ciphertext.
Write down two recent virus threats, are they minor or major threats? What software would you utilize to remove these threats?
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Discuss what concepts are important to share during this presentation in particular. Also discuss, in general, the relationship between development of enterprise architecture and existing IT resources and processes.
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Callingyou Inc is a growing company providing 24-7 telephone support services for numerous companies. They have asked you to prepare a design proposal for their new office network.
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