[2.1] A risk of turning off a cell phone is having to bypass the lock or determine the PIN to access the device.

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BlackTom AI · Accepted Answer

In evaluating the statement presented, we consider what happens when a cell phone is turned off and later turned back on.
Option to analyze: The claim is that there is a risk of having to bypass the lock or determine the PIN to access the device after turning it off.
First, many mobile devices implement a lock screen or security PIN requirement upon startup or after a reboot. When the device powers back on, the user is often prompted to enter the PIN, passcode, or biometric authentication before any data or apps become accessible. This creates a legitimate risk for someone who previously had access to the device but cannot recall the unlock credential after an interruption, because they must bypass the lock or supply the correct PIN to regain access.
Second, the phrase “lock’ or determine the PIN” acknowledges two related ideas: (a) bypassing a lock intentionally without the correct credentials, which may involve security mechanisms or recovery procedures, and (b) simply recalling or entering the correct PIN. In many devices, if the PIN is forgotten, a recovery process exists (e.g., account verification, factory reset), which aligns with the notion that access control persists after the device restarts.
Third, this risk is reasonable from a security perspective. Requiring authentication after boot is a standard defense against unauthorized access, so turning the device off does not inherently remove the lock; it simply postpones the need to present credentials until startup. If the user cannot supply the correct PIN or does not have a method to bypass legally (e.g., owner recovery), access remains restricted.
Conversely, it is important to recognize edge cases. Some devices or configurations may offer persistent unlock states, no PIN on boot (e.g., certain corporate enrollment scenarios), or biometric unlock that remains usable without entering a PIN after reboot. In these cases, the specific risk described may be reduced or absent. However, the general principle in most consumer devices aligns with the statement: there is a real risk of needing to bypass or enter the PIN after turning the phone back on.
In summary, the statement captures a valid security consideration: powering a phone off and then back on typically triggers an authentication step, which can require bypassing a lock or entering the correct PIN to regain access. This makes the described risk a reasonable and commonly observed outcome in many devices and configurations.

EN.650.667.01.SP25 Quiz - Chapter 1

[2.1] A risk of turning off a cell phone is having to bypass the lock or determine the PIN to access the device.

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