An Organization Is Deploying IoT Locks, Sensors, and Cameras, Which

question 55

Multiple Choice

An organization is deploying IoT locks, sensors, and cameras, which operate over 802.11, to replace legacy building access control systems. These devices are capable of triggering physical access changes, including locking and unlocking doors and gates. Unfortunately, the devices have known vulnerabilities for which the vendor has yet to provide firmware updates. Which of the following would BEST mitigate this risk?

• A) Direct wire the IoT devices into physical switches and place them on an exclusive VLAN.
• B) Require sensors to sign all transmitted unlock control messages digitally.
• C) Associate the devices with an isolated wireless network configured for WPA2 and EAP-TLS.
• D) Implement an out-of-band monitoring solution to detect message injections and attempts.

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Definitions:

Median-Voter Model

A theoretical model suggesting that the outcome of majority rule voting systems will reflect the preferences of the median voter.

Law of Diminishing Marginal Utility

The principle that as a person increases consumption of a product, there is a decline in the marginal utility that person derives from consuming each additional unit.

Ability-To-Pay Principle

The idea that those who have greater income (or wealth) should pay a greater proportion of it as taxes than those who have less income (or wealth).

Marginal Cost

the additional cost incurred to produce one more unit of a good or service.